2-3-1 Working with Powers of 10 and Metric Prefixes
7) Most GPS systems are accurate to within __?__.
3 feet
13) How many meters are there in 350 centimeters?
3.5 meters
21) A level with a 26X telescope has an accuracy of __?__ at 150'.
3/32"
29) A station stake 3,000 feet from the starting point would be marked __?__.
30+00
37) Select the proper conversion for the given number. 30.25 nsec is equal to __?__.
30,250 psec
27)The roof of a substation has the dimensions shown in the figure below. Determine the dimension labeled c. Round your answer to the nearest hundredth.
30.27 feet
4) If the scale on a blueprint is ¼ inch = 10 feet, what is the length of a substation yard if it is shown on the blueprint as 7 ½ inches?
300 feet
24) A 250 kV amp, three-phase, 480-volt transformer requires 80 gallons of insulating oil to keep it properly cooled. How many liters is this?
302.8 L
23) Triangle ABC is a __?__ triangle. The lengths of the sides of triangle ABC are 7 feet, 7 feet, and
45-45-90
17)Use the Pythagorean Theorem to derive the formula to find the length of each side of the right triangle shown below. What is the formula to find side a?
A= Square root of C^2 - B^2
24) Which equation shows the correct relationship between the radius and the area of a circle?
A=Pie x R^2 2-3-4 Area and Volume 1) Area is measured in square units, and volume is measured in __?__ units. [cubic
10) A code number is not used to identify the __?__ of the parts on a material list.
quality
17) When earth must be excavated or filled in, __?__ stakes are used to mark the area.
slope
3) A __?__ sheet is normally used to qualify the information presented in a certain portion of the blueprint.
specification
3) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The notes attached to a print are not as detailed as a(n) __?__ sheet, which may be provided by the engineer.
specification
27) The ruling factor concerning the location of poles or structures on a job is the __?__.
staking sheet
9) Refer to the map provided in Appendix D. Of the maps and drawings in your lesson, which would probably cover only one structure or a small job?
staking sheet
11) Note: The triangle in this exercise is drawn only to illustrate the problem and is not drawn to scale. In the figure, triangle ABC is similar to triangle LMN, determine x.
x = 6 cm
33) Convert the given temperature to the indicated unit of measurement. 10°F = __?__ °C
-12.2
35) Select the proper conversion for the given number. 17 mA is equal to __?__.
-17000
39) Select the proper conversion for the given number. 4.7 ohms is equal to __?__.
-4700 mohm
10) Select the proper conversion for the given number. 2,500 picofarads = __?__.
0.0000025 mf
20) A Tribrach equipped with a laser plummet is accurate to within plus or minus__?__.
1 mm
8) Refer to the diagrams, maps, notes, etc. provided in Appendix C. In the title block given in this lesson, the scale used is __?__.
1"=800'
4) Find the value of the number written in exponential form. 10^3 is equal to __?__.
1,000
32) To find the number of ohms in 4.5 megohms, multiply the number 4.5 by __?__.
1,000,000
12) Select the proper conversion for the given number. 1.5 megohms = __?__.
1,500,000 ohms
27) Subtract the given numbers using powers of 10. (1.42 x 10 6 ) - (2.5 x 10 4 ) is equal to __?__.
1.395×10^6
18) Multiply the given numbers using powers of 10. (5 x 10 6 ) x (3 x 10 2 ) is equal to __?__.
1.5×10^9
7) Write the given number in scientific notation form. 16 is equal to __?__.
1.6×10^1
2-3-7 Blueprint Lines 1) There are __?__ basic lines used by engineers and architects on blueprints.
12
23) A tripod's legs are built on a __?__ degree center-to-center arrangement.
120
6) Note: The triangle in this exercise is drawn only to illustrate the problem and is not drawn to scale. In the following triangle, what is the measure of angle B?
128°
25)You are pouring concrete bases for steel transmission towers. You are using 4-foot round tubing for the bases, and the depth of the bases is 8 feet. How much concrete will be needed to pour four bases?
14.89 yd 3
7) How many square inches are there in a square foot?
144 in. 2
35) Convert the given temperature to the indicated unit of measurement. 65°C = __?__ °F
149.0
17) Solve for the indicated measure for this circle. If the radius is 2.5m, what is the circumference?
15.7 m
5) Refer to the map provided in Appendix D. The lowest point shown on the profile map is at approximately __?__ feet above sea level.
1600
18) A hub stake is __?__ inches long.
18
15) Solve for the indicated measure for this circle. If the radius is 9 cm, what is the diameter?
18.0 cm
7) Refer to the map provided in Appendix D. The highest elevation of the line shown in profile is __?__ feet.
1843
24) The angles of a certain right triangle are 30°, 60°, and 90°. The side opposite the 30° angle is 2 m, and the hypotenuse is 4 m. What is the length of the side opposite the 60° angle?
2 Square root of 3
13) A full reel of cable has a diameter of 60 inches. You need 314 feet of cable for a job. How many turns of cable would you take off the reel?
20 turns
2) Refer to the Complete Electrical Diagram shown in Appendix B. What is the ratio of the current transformers?
200 / 5
9) Blueprints are normally printed in size C, which would measure __?__?
21 in. × 30 in.
27) You have been sent to the equipment yard to pick up a 75-foot pole on a trailer. When you arrive, you notice that all the poles are identified by their length in meters. How many meters is a 75-foot pole?
22.85 m
19) 9 inches is equal to __?__ centimeters.
22.86
21) The first floor elevation of a building is 751.2' above sea level. How many meters is it above sea level?
228.97 meters
19) How many cubic feet are in a cubic yard?
27 ft 3
32) Convert the given temperature to the indicated unit of measurement. 85°F = __?__ °C
29.4
20) A construction strip map printed 10.5 in. x __?__ would be size F.
36 in.
23) Divide the given numbers using powers of 10. (7.5 x 10 -1 ) ÷ (2.5 x 10 -1 ) is equal to __?__.
3×10^0
9) Write the given number in scientific notation form. 3 is equal to __?__.
3×10^0
8) Write the given number in scientific notation form. 476.7 is equal to __?__.
4.767×10^2
13) Write the number given in scientific notation as a decimal number. 5.81 x 10^3 is equal to __?__.
5,810
12) Write the given number in scientific notation form. 0.000056 is equal to __?__.
5.6×10^-5
34) Convert the given temperature to the indicated unit of measurement. 10°C = __?__ °F
50.0
2) In a triangle, if angle A is 37° and angle C is 87°, what does angle B measure?
56°
4) Find the area of a triangle with a base of 3 in. and a height of 4 in.
6 in. 2
16) Write the number given in scientific notation as a decimal number. 6.5 x 10^6 is equal to __?__.
6,500,000
36) Select the proper conversion for the given number. 63.45 MHz is equal to __?__.
63,450 kHz
5) Find the area of a parallelogram with a base of 11 cm, an adjacent side of 7 cm, and a height of 6 cm.
66 cm 2
19) Multiply the given numbers using powers of 10. (2 x 10 -2 ) x (3 x 10 -1 ) is equal to __?__.
6×10 -3
28) Subtract the given numbers using powers of 10. (1.4 x 10 -2 ) - (8 x 10 -3 ) is equal to __?__.
6×10^-3
25) Add the given numbers using powers of 10. (2.65 x 10 3 ) + (3.35 x 10 3 ) is equal to __?__.
6×10^3
18) What is the surface area of a sphere with a diameter of 5 inches?
78.5 in. 2
10) Triangles DEF and LMN are similar. If angle D is 32° and angle E is 69°, what is the measure of angle N?
79°
2)Find the value of the number written in exponential form. 3 4 is equal to __?__.
81
2-3-13 Reading Maps, Plans, and Profiles 1) Refer to the map provided in Appendix D. According to the map, the distance in feet from structure 5 to structure 4 is __?__ feet.
841.5
16) In a right triangle, side b is 12 m and the hypotenuse (side c) is 15 m. How long is side a?
9 m
16) In the following diagram, determine the measure of angle A without using a protractor.
<A=80
19) Angle A is 35°. If angles A and B are complementary angles, what is the measure of angle B?
<B=55
18) What is the formula to find side b?
B= Square root of C^2 - A^2
9) A circle has a diameter of 5 inches and a circumference of 15.71 inches. What is the ratio of the circumference to the diameter?
Correct - 3.142
23) Which equation shows the correct relationship between the diameter and the circumference of a circle?
D= C/Pie
10) A phantom line is a thin line made up of two long dashes between short dashes.
False
10) Refer to the Schematic Connection Diagram shown in Appendix B. In the schematic connection diagram, the primary sides of the single-phase transformers are wye connected.
False
10) Refer to the map provided in Appendix D. The upper part of a map is always orientated to true North.
False
26) If you are driving at 120 kilometers per hour in a 70 mile per hour speed zone, you are driving under the posted limit.
False
28) When using a level, taking a foresight means taking a reading in the direction of the survey line.
False
30) A person who weighs 74 kg weighs more than 170 pounds.
False
4) Per Presidential Executive Order 12770, as of 1975, every new Federal construction project must be developed using metric measurements.
False
5) A right triangle is also an acute triangle.
False
11) Give the formula to find the lateral area of a rectangular prism.
LA = ph
30) The type of level rod that screws together is known as a __?__ rod.
Philadelphia
16) Give the formula for finding the volume of a cylinder.
Pie x R^2 x H
2-3-12 Civil Drawings 1) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The letters GPS stand for Global __?__ System.
Positioning
24) When setting up a tripod, be sure to press the leg tips into the ground to ensure a solid footing.
True
6) Refer to the diagrams, maps, notes, etc. provided in Appendix C. What type of conduit is run under the slab?
Schedule 40 PVC
2-3-10 Symbols, Conventions and Abbreviations 1) A convention is a practice that has become the customary way of doing something.
True
14) SS is the abbreviation for __?__.
Substation
2) The S in the SI Metric system stands for __?__ of International Units
System
22) Tripods come equipped with a center eye for hanging a plumb bob.
True
24) At least three views are required to show a piece of equipment as an orthographic drawing.
True
10) 3.14 or 3 1 / 7 are typically used to represent
True
11) A materials list can be very helpful in procuring parts.
True
11) Refer to the Schematic Connection Diagram shown in Appendix B. In the schematic connection diagram, the transformer bank has a 2400-volt, three-phase, three-wire feed.
True
13) Center lines used to show the center of an arc are thin lines with one short dash between two long dashes.
True
26) Your job is to run underground conduit diagonally across a lot that measures 400 meters by 50 meters. You have 405 meters of conduit available. This would be enough conduit to do the job.
True
29) A person who is 175 cm tall is less than 6 feet tall.
True
15) Give the formula for finding the volume of a three-dimensional rectangle.
V = Bh
25) A shortened form of a word or phrase is called a(n) __?__.
abbreviation
9) An angle that measures 30 degrees would be a(n) __?__ angle
acute
13) The different types of lines used in a blueprint are called the __?__ of lines.
alphabet
22) In the following diagram, angles 2 and 7 are __?__ angles.
alternate exterior
6) Four major units of metric measure presented in this lesson are the meter, the gram, the second,and the __?__.
ampere
19) A detailed drawing that shows how a cable pull manhole should be installed is a(n) __?__ drawing.
architectural
8) The drawing which would show the floor plans for a substation relay shed is the __?__ drawing.
architectural
18) When leveling, if a rod reading is taken on a known elevation point it is called a __?__.
backsight
23) Refer to the map provided in Appendix D. The official government marker, which shows the elevation at a certain point, is called a(n) __?__.
benchmark
2-3-3 The Circle 1) A circle is a set of all points in a plane that are all the same distance from a common point called the __?__.
center
5) The distance around a circle is called the __?__.
circumference
15) The __?__ tree area shown on a clearing drawing means that any tree, when it falls, will reach the line.
danger
7) Refer to the diagrams, maps, notes, etc. provided in Appendix C. In the drawing of the access road, the existing grade of the land is represented by a __?__ line?
dashed
7) In surveying, a __?__ is a standard basis of reckoning, such as mean sea level.
datum
2)Angles are measured in __?__.
degrees
15) The back of the center hub stake would show the __?__ of the tower.
elevation
3) The __?__ length is one of the four measurements that are taken when surveying.
horizontal
21) The tower number can be found on the face (front) of the center __?__ stake.
hub
5) Refer to the Complete Electrical Diagram shown in Appendix B. The power transformer feeds a 600 hp __?__.
induction motor
13) A waterproof crayon used to mark stakes in the field is called a __?__.
keel
9) The parameters of a substation yard would be shown with a(n) __?__ line
object
13) All measurements for a two or three pole structure are taken from the __?__ point hub.
reference
25) The Tribrach contains an eye type bubble level that is used to level the __?__
tripod
22) Refer to the map provided in Appendix D. The map in this lesson shows that the transmission line will make __?__ angles.
two
15) Depending on the color of the wood, the information written on a stake can be red, blue, or __?__.
yellow
14) Write the number given in scientific notation as a decimal number. 3.49 x 10^-6 is equal to __?__.
0.00000349
5) Find the value of the number written in exponential form. 10^-4 is equal to __?__.
0.0001
31) To find the number of amps in 38 milliamps, multiply the number 38 by __?__.
0.001
38) Select the proper conversion for the given number. 5,000 microfarad is equal to __?__.
0.005 farad
15) The metric prefix centi represents a value of __?__.
0.01
40) Select the proper conversion for the given number. 25 A is equal to __?__.
0.025 kA
15) Write the number given in scientific notation as a decimal number. 1.89 x 10 -1 is equal to __?__.
0.189
18) 18 inches is equal to __?__ meters.
0.4572
14) A trundle wheel, used to measure distances, has a radius of 8 inches. How many feet has it traveled on the ground when it has made 300 revolutions?
1,256 ft.
34) Select the proper conversion for the given number. 1,250 V is equal to __?__.
1.25 kV
11) Write the given number in scientific notation form. 0.0135 is equal to __?__.
1.35×10^-2
15) Refer to the map provided in Appendix D. The distance between pole 16 / 18 and 17 / 1 on the profile plan is __?__ Gunter chains.
10.5
17) Station stakes are set on the survey centerline of a transmission line and are placed every __?__ feet.
100
23) You need to order a tarp to cover a piece of equipment delivered to the job site. You determine that a 30 foot by 30 foot tarp will do the job. How many square yards will this tarp cover?
100 yd^2
31) Convert the given temperature to the indicated unit of measurement. 212°F = __?__ °C
100.0
8) The prefix kilo means __?__.
1000
23) An auditorium is to seat 3,600 people. The building code requires 3 square feet for each person. How many square meters will that auditorium have?
1004.4 m 2
16) The metric prefix deci represents a value of __?__.
10^-1
14) The metric prefix giga represents a value of __?__.
10^9
22) The radius for a curved wall is 36 feet 5¾ inches. What is this dimension expressed in meters?
11.1 meters
20) How many cubic yards of concrete would be required to pour a transformer pad 20 feet by 15 feet by 12 inches thick?
11.11 yd 3
17) You need to paint the entire interior of a storage shed (walls, ceiling, and floor) that is 60 meters long, 20 meters wide, and 12.5 meters high. If a gallon of paint covers 30 square meters, how much paint is needed to complete the job?
146.67 gallons
10) Guard stakes used to protect a hub have pertinent information on them and are driven at a __?__ degree angle.
15
12) A 40-foot, class 2 pole has a minimum top circumference of 50 inches. What is its minimum diameter?
15.92 in.
20) 6 inches is equal to __?__ millimeters.
152.4
19) Find the area of a circle that has a radius of 7 inches.
153.86 in 2
11)The butt of a pole has a diameter of 50 inches. What is its circumference?
157.0 in.
21) What radius, in millimeters, is needed on a trundle wheel so that one rotation will measure a distance of 1 meter?
159.2 mm
16) Solve for the indicated measure for this circle. If the diameter is 32 in., what is the radius?
16 in.
18) Refer to the map provided in Appendix D. The term "rod" is used to describe a unit of land measurement which is __?__ feet in length.
16.5
24) Divide the given numbers using powers of 10. 0.0045 ÷ 2,000 is equal to __?__.
2.25×10^-6
10) Write the given number in scientific notation form. 0.0025 is equal to __?__.
2.5×10^-3
20) Multiply the given numbers using powers of 10. 6,000,000 x 440,000 is equal to __?__.
2.64×10 12
6) Write the given number in scientific notation form. 27,810 is equal to __?__.
2.781×10^4
26) Add the given numbers using powers of 10. (2.355 x 10 6 ) + (5.5 x 10 5 ) is equal to __?__.
2.905×10^6
3) Find the value of the number written in exponential form. 6^3 is equal to __?__.
216
25) A transformer weighs 1,095 kilograms. How many pounds is this?
2430.9
28) After installing underground wiring, you need to seal the driveway which has an area of 30 yd 2 . The sealant describes coverage in square meters. What is the area to be covered in square meters?
25.08 m 2
20) A circle has a diameter of 18 cm. What is the area of the circle?
254.3 cm 2
5) The magnification level of a modern transit scope is in the range of __?__ X.
26
18) Solve for the indicated measure for this circle. If the circumference is 85 mm, what is the diameter?
27.1 mm
22) You are preparing a hole to set an underground transformer vault. The hole is 12 feet wide by 18 feet long. The job specifications require the vault to be set on top of ¾-inch rock, 18 inches thick. If the rock weighs 225 pounds per cubic yard, how much will the rock weigh for this job?
2700 pounds
2) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The concrete for the poured slabs shall have a comprehensive strength of 5000 PSI in __?__ days after pouring.
28
22)Divide the given numbers using powers of 10. (4 x 10 5 ) ÷ (2 x 10 -4 ) is equal to __?__.
2×10^9
9) What is the distance between two station points marked 5+23.1 and 8+75.8?
352.7 feet
21) A normal concrete slab that does not have any bearing walls or heavy equipment on top of it is poured 6 inches thick. How much concrete is needed if the slab is 16 feet by 16 feet square?
4.74 yd 3
11) Select the proper conversion for the given number. 0.5 watts = __?__.
500 mw
3) Find the area of a rectangle 6 cm by 9 cm.
54 cm 2
24) A tensioner air pressure gauge shows 32 psi while wire is being pulled in. The brake pad on the tensioner bull wheel is 12 inches by 15 inches. What is the total amount of pressure in pounds being applied to the brake pad?
5760 pounds
14) In a right triangle, side a is 4 inches and side b is 5 inches. How long is the hypotenuse, side c?
6.4 inches
25) You are standing 60 feet from the base of a utility pole and determine that at ground level, you would need to look up at a 45° angle to see the top of the pole. What is the height of the pole?
60 feet
6) Find the area of a triangle with a base of 10 m and a height of 12 m.
60 m 2
21) A guy wire is staked 40 feet from a 60-foot pole. How long is the guy wire?
72.1 feet
15) How long is side b in a right triangle if side a is 8 feet and the hypotenuse (side c) is
8 feet
2) Refer to the map provided in Appendix D. According to the profile plan, the tallest pole to be set is __?__ feet.
80
8) Choose the response that correctly names the given angle.
<CDE
7) Choose the response that correctly names the given angle.
<S
18) Find the measurement of angle C in the following diagram without using a protractor.
<c=160
6) Choose the response that correctly names the given angle.
<nml
2) What is the formula for finding the area of a rectangle?
A = bh
19)What is the formula to find side c?
C= Square root of A^2 + B^2
10) Surface area measures only the sides of a three dimensional figure.
False
11) A straight angle cannot be measured with a protractor.
False
11) Refer to the map provided in Appendix D. Only one scale is used on all plans, profiles, and maps.
False
12) Notes on a drawing can usually be ignored.
False
12) The hypotenuse of a right triangle is the side opposite the acute angle.
False
12) The lateral area of a solid figure is the measurement of the area of the bases of that figure.
False
12) The letters at the ends of the cutting plane line show the direction in which the section is viewed.
False
12) When building a small pole line, you must know the elevation indicated on a nearby benchmark before starting.
False
14) The same style of line on a blueprint is used by all industries to represent the same thing.
False
16) Station points made of concrete or steel are always used in line work.
False
17) Refer to the map provided in Appendix D. Maps worldwide are scaled in miles or parts of miles.
False
17) To avoid confusion, blueprints usually contain only a few abbreviations.
False
17) To multiply two numbers written as powers of 10, multiply the left components and subtract the exponents.
False
19) Refer to the map provided in Appendix D. The Gunter chain is still used to lay out new transmission lines because it is a standard form of measurement.
False
19) Staking sheets are uniform in content from one electric company to another.
False
2-3-11 Electrical Drawings and Diagrams 1) Minor changes to a blueprint do not have to be documented.
False
2-3-14 Staking Sheets and Stakes 1) The staking sheet does not include conductor size and type.
False
2-3-9 Blueprint Fundamentals 1) As a worker, it is always best to take measurements directly off the blueprint and scale them up for use on the job.
False
20) A triangle with sides of 6 feet, 7 feet, and 8.5 feet is a right triangle?
False
20) The stakes are placed at the same location for a rotated tower as they are for a conventional tower.
False
21) The word "blueprint" applies only to those prints that are blue with white object lines.
False
21) To divide two numbers written as powers of 10, divide the left components and add the exponents.
False
22) GPS coordinates have replaced wooden stakes to show the exact location of poles.
False
23) A one-line drawing will show the point at which each wire is connected.
False
23) In the field, if minor adjustments have to be made to the blueprint, an entire new blueprint must be redrawn.
False
24) A blueprint has to be drawn either as standard or one-line, but not both.
False
24) When it is necessary to make minor changes, any blueprint used in the field must be redrawn.
False
4) Refer to the Complete Electrical Diagram shown in Appendix B. A complete electrical diagram does not show each piece of equipment.
False
4) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The concrete slab being poured does not call for reinforcing steel.
False
6) Preliminary drawings are authorized for use during the first 30 days of construction.
False
6) The diameter of a circle is always 3.14 times its circumference.
False
7) Freehand drawings are made to exact scale and are then transferred to the blueprints.
False
7) The radius of a circle is equal to twice its diameter.
False
9)Refer to the diagrams, maps, notes, etc. provided in Appendix C. Every engineer has a set of standard symbols that he must use on every drawing.
False
2-3-2 The Customary and Metric Systems of Measurement 1)The metric system was originally implemented by __?__ scientists.
French
5) When a change order makes it is necessary to make a completely new drawing, the new drawing may be stamped __?__.
REDRAWN
11) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The symbols and abbreviations shown on a print are the only ones that can be used on the particular print they apply to.
True
13) Refer to the map provided in Appendix D. Some electric companies originate their own set of symbols to fit their particular needs.
True
13) The hypotenuse is the longest side of a right triangle.
True
14) When reading a complex electrical schematic, it is best to read it in sections.
True
15) A one-line drawing of an electrical circuit shows all the connections from one piece of equipment to another.
True
15) Vertical angles are always equal.
True
18) Different types of drawings are used because no one type of blueprint can have all the information.
True
18) Standards for symbols are never fixed because it is often necessary to add new symbols.
True
2) In total, blueprints are a specific set of instructions and are usually drawn to scale.
True
2) Schematic and other electrical circuit drawings are seldom drawn to scale.
True
2) Transits have been in use for over 400 years.
True
22) Triangle ABC is a right triangle. The lengths of the sides of triangle ABC are 5 feet, 5 feet, and
True
24) GPS coordinates of each right-of-way stake can be fed into a computer and overlaid on area maps.
True
25) Aerial photos are often used to help lay out a transmission line.
True
29) When converting from a whole number to a prefixed number, you divide the whole number by the value of the prefix.
True
3) Refer to the map provided in Appendix D. HF type structures are called for on the map.
True
3) To measure an angle with a protractor, place the vertex of the angle at the center mark on the protractor.
True
33) When you are converting from one prefixed number to another, you multiply the number by the value of the first prefix and divide that value by the value of the prefix to which you are converting.
True
36) Convert the given temperature to the indicated unit of measurement. The normal body temperature is 98.6° F. A body temperature of 38° C is above normal.
True
4) The diameter of a circle is equal to twice its radius.
True
6) The National Electrical Contractors Association is involved in publishing and distributing standard graphic symbols.
True
6) When setting poles, you should never deviate from the staking sheet without the proper authority.
True
6)Refer to the Complete Electrical Diagram shown in Appendix B. The ammeter is hooked up to the center overcurrent relay.
True
7) To express smaller or larger units in the metric system, you select the proper prefix and write it before the word that represents the basic unit of measure.
True
8) A solid figure has three dimensions and occupies space.
True
9) A staking sheet showing part of a transmission line shows the mile to which the sheet applies.
True
9) If two triangles are congruent, their corresponding sides will have the same length.
True
9) Refer to the Schematic Connection Diagram shown in Appendix B. In the schematic connection diagram, the secondary side of the transformer bank is delta connected.
True
14) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The government agency that sets benchmarks showing elevation and coordinates along major highways is the __?__.
USGS
9) Symbols used to represent concrete, gravel, or sand are examples of __?__ symbols.
architectural
8) A point whose elevation is known and marked is called a __?__.
benchmark
3) A job specification sheet printed with an engineering plotter and CAD system is normally referred to as a __?__.
blueprint
4) The __?__ direct and coordinate the efforts of everyone involved in the project.
blueprints
20) The contour of the terrain directly under the outside conductor is shown with a __?__ line.
broken
6) A transit can turn accurate angles to a __?__ heading.
compass
13) Two angles whose measures have a sum of 90° are __?__ angles.
complementary
16) One-line diagrams are a simplified version of a __?__ diagram.
complete
21) Each wire and piece of equipment is shown on a(n) __?__ drawing. Incorrect - composite
complete
22) The abbreviation CM 336 on a drawing would indicate __?__.
conductor size
21) Two angles with the same measure are called __?__ angles.
congruent
23) Refer to the figure below. Angles f and g are __?__ angles.
congruent
17) The __?__ diagram shows the approximate relative location of devices. Incorrect - assembly
connection
2) The tower __?__ list will show where to deliver the materials to build the line.
construction
5) The __?__ line is drawn very lightly and is often called a layout line.
construction
7) Some companies bind all construction prints and standards into a __?__ data book for use by line crews.
construction
21) When a fuse is shown on a drawing, a(n) __?__ could be used to show the amperage rating.
convention
25) Refer to the figure below. Angles b and f are __?__ angles.
corresponding
7) The area carved out by a(n) __?__ line may appear on a separate blueprint.
cutting plane
13) When the dimension of height is added to a circle, the resulting three dimensional figure is called a __?__.
cylinder
22) Which equation shows the correct relationship between the radius and the diameter of a circle?
d = 2r
12) The symbol of a triangle that is pointing upward is used to indicate a __?__ connection.
delta
3) Refer to the Complete Electrical Diagram shown in Appendix B. The secondary side of the power transformer is a __?__ connection.
delta
20) The type of transformer bank shown in the schematic connection diagram is normally called a __?__ bank.
delta-delta
16) Any portion of a device used to open a circuit or to introduce impedance into a circuit is called a(n) __?__ element.
device
3) The length of any line segment that connects two points on the circle and passes through the center is called the __?__.
diameter
8) The ratio of the circumference of a circle to the __?__ is represented by the Greek letter
diameter
12) The numerical distance or length of an object is placed in the center or slightly above the __?__ line.
dimension
4) Two lines that are normally used together are the extension line and the __?__ line.
dimension
3) No part of a drawing is more important than the __?__.
dimensions
2-3-8 Introduction to Blueprints and Specifications 1) A certified professional __?__ approves blueprints and specification sheets so that authorized and uniform information is furnished.
engineer
22) The original blueprint for a project is kept at the __?__ office and is put into a permanent file.
engineer's
7) An equilateral triangle is also called a(n) __?__ triangle.
equiangular
10) A station with +00 in its markings is a(n) __?__ station.
even
12) When building a single, pole line, line stakes are used to indicate the __?__ of each pole on the line.
exact center
2-3-1 Working with Powers of 10 and Metric Prefixes 1) In a number written in the exponential form, such as 3 4 , the 3 is called the base and the 4 is called the __?__.
exponent
11) Straight thin lines that extend at 90 degrees from the surface being measured are called __?__ lines
extension
4) Cross-hatching is made up of __?__ lines drawn at an angle.
fine
13) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The site referred to in the lesson is set with __?__ GPS coordinates.
five
7) Refer to the Schematic Diagram shown in Appendix B. In the schematic diagram of the small distribution system, how many distribution transformers are shown?
five
23) The front view of an object is also called the __?__.
front elevation
19) The schematic symbol for a cut-out resembles the symbol for a __?__.
fuse
14) Refer to the map provided in Appendix D. Official survey lines and points are usually established by __?__.
government agencies
4) A vertical line is a line that is straight up and down in relation to the __?__.
gravitational pull of the earth
20) A front view will show the __?__ of an object.
height
2) A line made up of thin, short dashes which show features or lines that are not visible is called a __?__.
hidden
8) If a piece of equipment is seen from the side and you want to show a bolt hole going from top to bottom, you would use a __?__ line.
hidden
15) The two main types of drawings used in the field are orthographic and __?__.
isometric
21) A drawing made in the __?__ style can show the height, length, and width of an object all in one view.
isometric
2-3-6 Right Triangles 1) Note: The triangle in this exercise is drawn only to illustrate the problem and is not drawn to scale. The following is a(n) __?__ triangle.
isosceles
30) When the prefix __?__ is used, it means to multiply the number by 1,000.
kilo
26) Trees may be left in the right of way as part of an agreement with the __?__.
landowner
9) Surface area and __?__ area are the two measurements of area of a three dimensional figure.
lateral
6) A(n) __?__ line points to a part of the blueprint that has features that pertain to that part of the blueprint.
leader
3)By reading the staking sheet headings from __?__, a line worker can derive the whole picture of any structure.
left to right
10) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The finished grade elevation for the substation site is shown on the __?__.
legend
18) The engineer can provide a(n) __?__ that will show each symbol used on a set of drawings and what each symbol means.
legend
9) A code number or __?__ can help to quickly identify parts on the materials list.
letter
19) The __?__ rod is a calibrated rule made from a strong, lightweight aluminum alloy.
level
16) Refer to the map provided in Appendix D. The lines used to display where national, state, county, and city lines are the __?__.
limits of an area
12) Refer to the diagrams, maps, notes, etc. provided in Appendix C. The __?__ map in this lesson shows the substation site set in an area covering three states.
location
12) Blueprints are kept as part of a permanent file because they furnish the basis for future alterations and __?__ of the system.
maintenance
13) The type of drawing used to show all the functional elements of a circuit or piece of equipment is the __?__ drawing.
manufacturer's
11) If a control box was delivered in a "knocked down" condition, you would look at the __?__ drawing to see how it is put together.
mechanical
2) Threaded bolts and rods are drawn with __?__ symbols.
mechanical
13) The depth of a drilled hole would be shown in a __?__ drawing.
mechanical section
21) Refer to the map provided in Appendix D. A drawing with a scale of ¼'=100' should __?__ be used to layout a steel tower?
not
8) Refer to the Schematic Diagram shown in Appendix B. In the schematic diagram, the voltage of the transmission line feeding the substation is __?__.
not shown
10) An angle that measures 135 degrees would be a(n) __?__ angle
obtuse
3) In a triangle, if angle A is 45°, angle B is 33° and angle C is 102°, this is an __?__ triangle.
obtuse
17) To convert 3,875 millimeters to centimeters, move the decimal point __?__.
one place to the left
20) Two lines in the same plane that never intersect are known as __?__ lines.
parallel
5) Blueprints are used as part of a __?__ record once the job is finished.
permanent
14) In a prism or a cylinder, the height is the distance between the two bases and is __?__ to the bases.
perpendicular
13) Blueprints and specification sheets are designed to furnish specific dimensions, assembly arrangements, construction details, and __?__.
pictures of parts
18) The top view of a drawing on a blueprint is also called the __?__.
plan
19) The __?__ for a distribution line shows roads, towns, and section lines.
plan
14) If an existing road needs to be improved in order to get to a transmission tower site, the road would be shown on a __?__ drawing.
plan and profile
16) The drawing which would show property ownership is the __?__ drawing.
plan and profile
14) In order to center a tripod over a hub that has a tack on top, older tripods use a __?__.
plumb bob
5) The abbreviation P.O.T. stands for __?__ on tangent.
point
5) The metric system is based on __?__.
powers of 10
14) When a __?__ survey of a transmission line is made, the stakes are marked with a "P".
preliminary
8) Many authorized prints are stamped "APPROVED FOR CONSTRUCTION" and are signed by a __?__.
professional engineer
23) The __?__ drawing can be used to select the size of the poles which will provide sufficient clearance between the transmission lines and the ground.
profile
2) The distance from the center of the circle to any point on the circle is called the __?__.
radius
16) A stake marked "RP" means it is a __?__.
reference point
5) An angle that measures 90 degrees is called a __?__ angle.
right
23) A stake with a red painted top is a __?__ stake.
right-of-way
26) In a modern transit, the reading out of the horizontal and vertical circles is done electronically with a __?__ encoder.
rotary
12) Refer to the map provided in Appendix D. As a line worker, you should never __?__ dimensions on a map.
scale off
22) A drawing is said to be __?__ when the size of the object is reduced on the blueprint and all parts are reduced proportionately.
scaled
4) The three sides of a triangle measure 116 feet, 106 feet, and 96 feet. This is a(n) __?__ triangle.
scalene
4) Refer to the map provided in Appendix D. The vegetation under and around the transmission line route is __?__.
scattered pine, fir and brush
20) Refer to the map provided in Appendix D. The term "elevation" is a measurement with its base at __?__ level.
sea
11) A __?__ is a method used for exposing the inside of an object as though it has been cut through.
section
17) The end view of an object is often referred to as the __?__ elevation.
side
8) When two triangles are __?__, the corresponding angles have the same measure and the corresponding sides are proportional.
similar
3) The major advantage of using the metric system over the customary system of measurement is __?__.
simplicity
22) When you need to know the exact details of an item such as a transformer station, you should refer to a __?__ for the information.
specification book
15) When certain special details need to be shown on an electrical drawing, you would use a __?__ drawing symbol.
standard
3) The two general classifications of electrical symbols are one-line and __?__.
standard
11) A station stake for a transmission line is to be read from the __?__ point of the line.
starting
8) Structural symbols are normally used when indicating __?__ members.
steel
11) The word "tangent" is used to indicate a portion of a line that is __?__.
straight
4) An angle that measures 180 degrees is called a __?__ angle.
straight
17) A crew charged with hauling material for a new transmission line would use a construction __?__ map to find the site location.
strip
10) The __?__ drawing will show items such as fabricated structures for steel towers.
structural
10) The type of weld to be made on a piece of material can be shown with a __?__ symbol.
structural
14) Two angles whose measures have a sum of 180° are __?__ angles.
supplementary
17) In the diagram for question 16, angles A and B are __?__ angles.
supplementary
5) A __?__ is designed to resemble an object, force, motion, or idea.
symbol
4) A hub stake has a __?__ centered on the top end.
tack
16) The date on which a drawing was completed can be found in the __?__ block.
title
19) The signature of the person who approved the blueprint will appear in the __?__ block.
title
8) Refer to the map provided in Appendix D. If you are given a plan and profile map, the best way to start is by studying the __?__.
title block
27) Theodolite is another name for the__?__.
transit
7) A(n) __?__ is added to a basic symbol to further clarify what is needed.
variation
2-3-5 Measuring and Drawing Angles 1) An angle is formed by two rays that have the same endpoint called the __?__.
vertex
12) Angles that are formed by two intersecting lines and share a common vertex but have no common side are called __?__ angles.
vertical
2-3-15 Introduction to Measuring and Leveling Devices 1) A transit is used to measure horizontal and __?__ angles.
vertical
24) Refer to the figure below. Angles e and h are __?__ angles.
vertical
5) Refer to the diagrams, maps, notes, etc. provided in Appendix C. When the concrete is being poured, high frequency __?__ shall be used to remove the voids.
vibrators
6) Taken together, blueprints are a __?__ of every aspect of the job.
view
9) The liter is a unit of measure of __?__.
volume
6) Refer to the map provided in Appendix D. The line is to be built in the state of __?__.
washington
8) The information on wooden stakes is written with __?__.
weatherproof marking crayons
