BRAE 237
The total station is set as shown in the image above. The vertical angle is measured to the top of the building and to the bottom of the building. Based on the following information, what is the height of the building? Horizontal distance from Total Station to Building: 205.46' Zenith angle to top of building: 78° 56' 20" Zenith angle to bottom of building 94° 21' 50" Show answer to nearest 0.01'.
0 (with margin: 0) 0 (with margin: 0) 0 (with margin: 0) 55.84 (with margin: 0.05)
The total station is set on Point #1 and measuring to point #2. Based on the following information, what is the Elevation of point #1 HI=4.85 HR=6.20 Slope Dist.to#2=728.85' Zenith= 92° 21' 10" Elev.#2=316.40 ft. Enter in Answer to nearest 0.01'
0 (with margin: 0) 0 (with margin: 0) 347.67 (with margin: 0.03) 0 (with margin: 0)
The total station is set as shown in the image above. The vertical angle is measured to the top of the building and to the bottom of the building. Based on the following information, what is the height of the building? Horizontal distance from Total Station to Building: 205.46' Zenith angle to top of building: 78° 56' 20" Zenith angle to bottom of building 94° 21' 50" Show answer to nearest 0.01'.
0 (with margin: 0)55.84 (with margin: 0.05)0 (with margin: 0)0 (with margin: 0)
On an adjusted closed traverse the error of closure equals Sum of Original Latitude Sum of Original Departure SqrRt(Sum Orig Lat^2 + Sum Orig Dep^2) 0.00 Ratio of Error
0.00
Based on the following angles on closing a circle, what would be the correction per angle for the adjusted angles Angle #Average angle 1 123° 45' 40" 2 15° 05' 45" 3 67° 20' 00" 4 24° 50' 30" 5 75° 11' 15" 6 53° 45' 20" 0° 00' 15" -0° 00' 05" 0° 01' 30" - 0° 00' 15" 0° 00' 05"
0° 00' 15"
A section is 160 acres 1 mile x 1 mile 6 miles by 6 miles 36 square miles 1000 acres
1 mile x 1 mile
A scale of 1:24000 is the same as 1" = 2000' 1" = 24000' 1" = 200' 1" = 1200' 1:2000
1" = 2000'
Based on the triangle above what is the distance "c" if Angle A = 56° 21' 20"; Angle B = 38° 45' 50" and the distance "a" = 1,158.17
1,385.66 margin of error +/- 0.03
If I had a traverse that was 10,000 feet long and it had a 2 foot error of closure, my ration of error would be: 1/20,000 1/10,000 .00025 1/5000 .002
1/5000
The Azimuth from B to A is 86° 27' 30". Set on B a clockwise angle from A to C is measured as 74° 04' 45". Set on C a clockwise angle from B to D is measured as 127° 51' 10". What is the Azimuth from C to D? 288° 23' 25" 32° 41' 05" 108° 23' 25" 201° 55' 55" 327° 18' 55"
108° 23' 25"
Based on the following what is the average horizontal angle Direct Inverted Backsight 0-00-00 180-00-00 Foresight 125-30-00 305-29-30 125-30-00 180-00-15 125-30-15 125-29-45 305-29-30
125-29-45
The Azimuth from "B" to "A" is 186° 27' 30". Set on B, Backsight A and turn an angle of 34° 04' 45" to "C". Then set on "C" and Backsight "B", and turn an angle of 107° 51' 10" to "D". What is the Azimuth from "C" to "D"? 141° 55' 55" 247° 18' 55" There is no Correct Answer 148° 23' 25" 328° 23' 25" 112° 41' 05"
148° 23' 25"
The Azimuth from "B" to "A" is 186° 27' 30". Set on B, Backsight A and turn an angle of 34° 04' 45" to "C". Then set on "C" and Backsight "B", and turn an angle of 107° 51' 10" to "D". What is the Azimuth from "C" to "D"? 247° 18' 55" There is no correct Answer 148° 23' 25" 328° 23' 25" 141° 55' 55" 112° 41' 05"
148° 23' 25"
A Bearing of South 20° 00' 00" East is an Azimuth of : 20° 00' 00" 340° 00' 00" 200° 00' 00" 160° 00' 00" 70° 00' 00"
160° 00' 00"
A Bearing of South 20° 00' 00" East is an Azimuth of : 70° 00' 00" 340° 00' 00" 160° 00' 00" 200° 00' 00" 20° 00' 00"
160° 00' 00"
"A" to "B" has a Bearing of N 17° 25' 25" W. What is the Azimuth from "B" to "A"? S 17° 25' 25" E 197° 25' 25" 162° 34' 35" 252° 34' 35" 342° 34' 35"
162° 34' 35"
"A" to "B" has a Bearing of N 17° 25' 25" W. What is the Azimuth from "B" to "A"? S 17° 25' 25" E 252° 34' 35" 197° 25' 25" 162° 34' 35" 342° 34' 35"
162° 34' 35"
"A" to "B" has an azimuth of 347° 12' 50". What is the azimuth from "B" to "A"? S 51° 22' 15" E 128° 37' 45" 167° 12' 50" S 12° 47' 10" E 257° 12' 50"
167° 12' 50"
What at is the Azimuth from "D" to "T" based on the following information and the sketch, not to scale and north is not up. Azimuth "C" to "D" = 278° 23' 50" Interior Angle at "C" = 76° 15' 35" Interior Angle at "T" = 5° 44' 25" 286° 39' 25" 16° 23' 50" 343° 36' 10" No Correct Answer 163° 36' 10" 196° 23' 50"
196° 23' 50"
What at is the Azimuth from "D" to "T" based on the following information and the sketch, not to scale and north is not up. Azimuth "C" to "D" = 278° 23' 50" Interior Angle at "C" = 76° 15' 35" Interior Angle at "T" = 5° 44' 25" 343° 36' 10" 163° 36' 10" 286° 39' 25" 196° 23' 50" No Correct Answer 16° 23' 50"
196° 23' 50"
The Azimuth from B to C is 304° 35' 15". Set on "B", Backsighting "A" turn a clockwise angle to "C" of 107° 28' 30" . What is the azimuth from "B" to "A"? No correct answer 197° 06' 45" 52° 03' 45" N 52° 03' 45" E S 17° 06' 45" E 162° 53' 15"
197° 06' 45"
The Azimuth from B to C is 304° 35' 15". Set on "B", Backsighting "A" turn a clockwise angle to "C" of 107° 28' 30" . What is the azimuth from "B" to "A"? No correct answer N 52° 03' 45" E 197° 06' 45" S 17° 06' 45" E 52° 03' 45" 162° 53' 15"
197° 06' 45"
Based on the following what is the average horizontal angle Direct Inverted Backsight 0-00-00 180-00-00 Foresight 215-30-00 35-29-00 35-29-45 35-29-30 180-00-15 215-30-00 215-29-30
215-29-30
Based on the following what is the average horizontal angle Direct Inverted Backsight: 0-00-00 180-00-00 Foresight: 215-30-00 35-29-00 215-29-30 215-30-00 35-29-30 35-29-45 180-00-15
215-29-30
The Azimuth from "B" to "C "is 354° 35' 15" A clockwise angle is turned at "C" from "B" to "D" of 114° 32' 45" What is the Azimuth from "C" to "D" based on the picture below (Not to scale) 60° 02' 30" 289° 08' 00" 240° 02' 30" N 60° 02' 30" E S 60° 02' 30" W
289° 08' 00"
Which one is not a standard engineers scale 10 70 100 60 20
70
Which one is not a standard engineers scale 70 20 60 10 100
70
Which one is not a standard engineers scale 70 20 10 60 100
70
Total Station is Set up on Point 1 and measures the following to point 2; Slope Distance 1000.00' Zenith Angle 91° 05' 00"; Horizontal Angle 81° 09'00". The HI was 5.20 and the HR was 5.20. If the elevation of Point 1 is 100.00' what is the elevation of Point 2? 135.67 81.09 118.91 105.20 Can't be determined without the vertical angle.
81.09
The Azimuth from B to C is 154° 35' 15". Set on "C", Backsighting "B" turn a clockwise angle to "D" of 114°32'45". What is the azimuth from "C" to "D"? No Correct Answer N 40° 02' 30" E 40° 02' 30" 89° 08' 00" S 40° 02' 30" W 139° 57' 30"
89° 08' 00"
What is the sum of interior angles of a 7-sided closed traverse? 360° 1440° 540° 1080° 900°
900°
One difference between a digital level and and an Automatic level is The automatic level requires a special rod to read A digital level can read the bar code on a RAB staff Once you get a digital level close to level it will automatically level itself You do not need to focus the digital level The automatic level once you get it close to level it will level up itself
A digital level can read the bar code on a RAB staff
One difference between a digital level and and an Automatic level is The automatic level requires a special rod to read The automatic level once you get it close to level it will level up itself A digital level can read the bar code on a RAB staff Once you get a digital level close to level it will automatically level itself You do not need to focus the digital level
A digital level can read the bar code on a RAB staff
One difference between a digital level and and an Automatic level is The automatic level requires a special rod to read The automatic level once you get it close to level it will level up itself You do not need to focus the digital level Once you get a digital level close to level it will automatically level itself A digital level can read the bar code on a RAB staff
A digital level can read the bar code on a RAB staff
A datum is best described as a: Monument with a known elevation SF-1 Mean Sea Level A point from which all elevations are based A reference surface
A reference surface
When your inverted foresight is less than your inverted backsight, you Add 180° to your foresight Subtract the foresight from the backsight Just subtract the foresighe from the backsight Add 360° to your foresight use the absolute value of the calculation
Add 360° to your foresight
When your inverted foresight is less than your inverted backsight, you use the absolute value of the calculation Subtract the foresight from the backsight Add 180° to your foresight Add 360° to your foresight Just subtract the foresighe from the backsight
Add 360° to your foresight
The Trimble S7 total station that is usually used in class All of these items are true is a robotic total station requires a data collector to get information out of Can do imaging and scanning has two types of EDMs
All of these items are true
When your inverted foresight is less than your inverted backsight, you Subtract the foresight from the backsight Add 180° to your foresight use the absolute value of the calculation Just subtract the foresighe from the backsight Answer Add 360° to your foresight
Answer Add 360° to your foresight
What kind of error is resolved by remeasurement? Latitude Blunder Sag Systematic Random
Blunder
Bearings Are always between 0° and 180° Can be positive or Negative Are always between 0° and 360° Can be clockwise or counterclockwise Always begin with either North, South, East or West
Can be clockwise or counterclockwise
Bearings Can be clockwise or counterclockwise Are always between 0° and 180° Can be positive or Negative Always begin with either North, South, East or West Are always between 0° and 360°
Can be clockwise or counterclockwise
Which is a property of a contour Contours do not cross breaklines Contours point downhill in a stream Contours are parallel to the slope Contours always close on themselves Contours are always even feet
Contours always close on themselves
"FS" is an abbreviation for? Front Sight Fore Sight Front Shot Fore Shot First sight
Fore Sight
HI is an abbreviation for: Hand Indicator Hand Locator Height of Indicator Height of Instrument Height Incline
Height of Instrument
HI is an abbreviation for: Hand Indicator Height of Indicator Hand Locator Height Incline Height of Instrument
Height of Instrument
Random errors Can be calculated out Are also called systematic errors In surveying are more correctly biases are generally ignored are resolved by remeasurement
In surveying are more correctly biases
Random errors are resolved by remeasurement Can be calculted out are generally ignored Are also called systematic errors In surveying are more correctly biases
In surveying are more correctly biases
What is the term we use to describe the process of determining direction and distance based on the known positions of points Compass Rule Ratio of Error Traversing Inversing Trigonometry
Inversing
The latitude correction per leg of the traverse is calculated by Hor. Dist x Sin(Azimuth) Latitude correction per foot x latitude of leg Hor. Dist x Cos(Azimuth) Sum of Latitudes / Sum of the length of the traverse Latitude correction per foot x distance of leg
Latitude correction per foot x distance of leg
The latitude correction per leg of the traverse is calculated by Latitude correction per foot x latitude of leg Hor. Dist x Sin(Azimuth) Sum of Latitudes / Sum of the length of the traverse Hor. Dist x Cos(Azimuth) Latitude correction per foot x distance of leg
Latitude correction per foot x distance of leg
"A" to "B" has an azimuth of 92° 23' 45". You are Set on B, backsight "A" and turn an angle of 85°03''40" to "C". What is the Bearing From B to C? S 07° 20' 05" E N 02° 32' 35" W S 02° 32' 35" E 177° 27' 25" 07° 20' 05" There is no correct answer
N 02° 32' 35" W
The Azimuth from A to B is 93° 45' 20". You set on B and turn a clockwise angle from A to C of 71° 52' 10". What is the direction from B to C? 165° 37' 30" N 14° 22' 30" W S 14° 22' 30" E S 21° 53' 10" E 21° 53' 10"
N 14° 22' 30" W
The azimuth from "A" to "B" is 93° 45' 20". Set on "B" a clockwise angle from "A" to "C" is measured as 71° 52' 10". What is the bearing from B to C? N 14° 22' 30" W 21° 53' 10" S 14° 22' 30" E 165° 37' 30" S 21° 53' 10" E
N 14° 22' 30" W
The azimuth from "A" to "B" is 93° 45' 20". Set on "B" a clockwise angle from "A" to "C" is measured as 71° 52' 10". What is the bearing from B to C? S 14° 22' 30" E S 21° 53' 10" E 165° 37' 30" 21° 53' 10" N 14° 22' 30" W
N 14° 22' 30" W
Northing Easting Pt 1 5357.50 2245.60 Pt 2 4000.00 3000.00 Bearing from Pt 2 to Pt 3: S 82° 47' 20" W Distance from Pt 2 to Pt 3: 1500.00 feet Based on the information above what are the coordinates of Pt 3? N 757.46, E5169.21 N 2511.86, E 2811.71 N 3811.71,E1511.86 N 1511.86, E3811.71 N 5169.21, E 757.46
N 3811.71,E1511.86
Northing Easting Pt 1 5357.50 2245.60 Pt 2 4000.00 3000.00 Bearing from Pt 2 to Pt 3: S 82° 47' 20" W Distance from Pt 2 to Pt 3: 1500.00 feet Based on the information above what are the coordinates of Pt 3? N 5169.21, E 757.46 N 3811.71,E1511.86 N 2511.86, E 2811.71 N 757.46, E5169.21 N 1511.86, E3811.71
N 3811.71,E1511.86
In California Latitude increases to the South East Up North West
North
The Bearing from "A" to "B" is South 20° 00' 00" East. What is the Bearing from "B" to "A"? North 20° 00' 00" East North 70° 00' 00" West South 70° 00' 00" West North 70° 00' 00" East North 20° 00' 00" West
North 20° 00' 00" West
An Azimuth of 310° 00' 00" has a bearing of North 50° 00' 00" West North 40° 00' 00" West North 10° 00' 00" East North 310° 00' 00" West North 50° 00' 00" East
North 50° 00' 00" West
Which assertion is most correct? Precision is used as an indicator of accuracy There is a direct correlation between precision and accuracy Precision relates to the true value of a measurement Accuracy is an indicator of precision In surveying we must always state our accuracy
Precision is used as an indicator of accuracy
When performing a compass rule adjustment the assumption is Only the distances will be adjusted Our error of closure will be the same once adjusted Each leg of the traverse will take an equal amount of correction Quality of our distances is similar to the quailty of our angles The quality of our distance is higher than angle measurement
Quality of our distances is similar to the quailty of our angles
When performing a compass rule adjustment the assumption is Quality of our distances is similar to the quailty of our angles Only the distances will be adjusted Our error of closure will be the same once adjusted Each leg of the traverse will take an equal amount of correction The quality of our distance is higher than angle measurement
Quality of our distances is similar to the quailty of our angles
"A" to "B" has an azimuth of 287° 34' 25". You are Set on B, backsight "A" and turn an angle of 71°52'10" to C. What is the Bearing From B to C? 215° 42' 15" N 35° 42' 15" W 359° 26' 35" N 00° 33' 25" W No Correct Answer S 00° 33' 25" E
S 00° 33' 25" E
"A" to "B" has an azimuth of 287° 34' 25". You are Set on B, backsight "A" and turn an angle of 71°52'10" to C. What is the Bearing From B to C? 215° 42' 15" N 35° 42' 15" W 359° 26' 35" N 00° 33' 25" W S 00° 33' 25" E No Correct Answer
S 00° 33' 25" E
"A" to "B" has an azimuth of 287° 34' 25". You are Set on B, backsight "A" and turn an angle of 71°52'10" to C. What is the Bearing From B to C? N 35° 42' 15" W S 00° 33' 25" E No Correct Answer 215° 42' 15" 359° 26' 35" N 00° 33' 25" W
S 00° 33' 25" E
"A" to "B" has an azimuth of 148° 04' 45". What is the bearing from "A" to "B"? 58° 04' 45" 301° 55' 15" N 58° 04' 45" W N 58° 04' 45" E S 31° 55' 15" E
S 31° 55' 15" E
"A" to "B" has an azimuth of 148° 04' 45". What is the bearing from "A" to "B"? 58° 04' 45" N 58° 04' 45" E N 58° 04' 45" W S 31° 55' 15" E 301° 55' 15"
S 31° 55' 15" E
"A" to "B" has an azimuth of 148° 04' 45". What is the bearing from "A" to "B"? 58° 04' 45" N 58° 04' 45" W S 31° 55' 15" E 301° 55' 15" N 58° 04' 45" E
S 31° 55' 15" E
"A" to "B" has an azimuth of 148° 04' 45". What is the bearing from "A" to "B"? S 31° 55' 15" E 301° 55' 15" N 58° 04' 45" E 58° 04' 45" N 58° 04' 45" W
S 31° 55' 15" E
"A" to "B" has an azimuth of 219° 45' 25". What is the bearing from "A" to "B"? N 50° 14' 35" E S 50° 14' 35" E 39° 45' 25" 230° 14' 35" S 39° 45' 25" W
S 39° 45' 25" W
The Azimuth from "A" to "B" is 34° 25'50". What is the Bearing from "B" to "A"? South 34° 25' 50" West South 55° 34' 10" West North 34° 25' 50" East North 34° 25' 50" West South 34° 25' 50" East
South 34° 25' 50" West
When doubling a vertical angle, the inverted angle is Subtracted from 360° Subtracted from 270° averaged with the direct angle calculated by subtracting 180° from it not measured
Subtracted from 360°
When doubling a vertical angle, the inverted angle is averaged with the direct angle not measured Subtracted from 270° calculated by subtracting 180° from it Subtracted from 360°
Subtracted from 360°
When doubling a vertical angle, the inverted angle is not measured calculated by subtracting 180° from it averaged with the direct angle Subtracted from 360° Subtracted from 270°
Subtracted from 360°
The art of measurement includes well kept field notes The understanding of the most efficient method for obtaining measurements the error theory of measurement insures the highest precision in all measurments The ability to precisely represent the measurements in a sketch
The understanding of the most efficient method for obtaining measurements
A contour interval is A line of equal elevation The vertical distance between adjacent contours The distance between contours the spacing of the contour on a map Every fifth contour
The vertical distance between adjacent contours
A contour interval is The vertical distance between adjacent contours The distance between contours the spacing of the contour on a map Every fifth contour A line of equal elevation
The vertical distance between adjacent contours
The Azimuth from "B" to "A" is 326° 27' 30". Set on B, Backsight A and turn an angle of 84° 04' 45" to "C". Then set on "C" and Backsight "B", and turn an angle of 147° 51' 10" to "D". What is the Azimuth from "C" to "D"? 378° 23' 25" 231° 55' 55" 262° 41' 05" 558° 23' 25" There is no correct Answer 97° 18' 55"
There is no correct Answer
The Azimuth from "B" to "A" is 326° 27' 30". Set on B, Backsight A and turn an angle of 84° 04' 45" to "C". Then set on "C" and Backsight "B", and turn an angle of 147° 51' 10" to "D". What is the Azimuth from "C" to "D"? 97° 18' 55" 558° 23' 25" There is no correct Answer 262° 41' 05" 231° 55' 55" 378° 23' 25"
There is no correct Answer
The Azimuth from "B" to "A" is 326° 27' 30". Set on B, Backsight A and turn an angle of 84° 04' 45" to "C". Then set on "C" and Backsight "B", and turn an angle of 147° 51' 10" to "D". What is the Azimuth from "C" to "D"? There is no correct Answer 97° 18' 55" You Answered 231° 55' 55" 378° 23' 25" 558° 23' 25" 262° 41' 05"
There is no correct Answer
The reason we try and maintain equal BS and FS when leveling is to: Minimize the distance betwen the rod and the level To determine allowable error To detect blunders To correct for a systematic error Make sure the level can read the rod
To correct for a systematic error
The reason we try and maintain equal BS and FS when leveling is to: To determine allowable error To correct for a systematic error Make sure the level can read the rod To detect blunders Minimize the distance betwen the rod and the level
To correct for a systematic error
The reason we try and maintain equal BS and FS when leveling is to: To determine allowable error To correct for a systematic error To detect blunders Make sure the level can read the rod Minimize the distance betwen the rod and the level
To correct for a systematic error
What are the unit and subunits of distance measurement we use in class? Foot, Inches Meters, Centimeters Foot, Tenths, hundredths U.S. Survey feet, tenths, hundredths. U.S. Standard Foot, Hundredths
U.S. Survey feet, tenths, hundredths.
The unit of measurement in this class and for most surveying in the United States is The meter The metric foot U.S. Survey foot The standardized foot Foot in the mouth
U.S. Survey foot
Profile scales The vertical is 10 times greater than the horizontal Usually exaggerat the horizontal Usually exaggerate the vertical Usually are equal The horizontal is 10 times greater than the vertical
Usually exaggerate the vertical
When doubling a horizontal angle, plunging means Horizonatlly rotating the telescope 180° Horizontally rotating the telescope 360° Vertically rotating the telescope 180° Turning from the Foresight back to the Backsight Vertically rotating the telescope 360°
Vertically rotating the telescope 180°
In California Longitude increases to the Up West North South East
West
On a four sided traverse, the sum of my interior angles is 359° 59'20". To balance the angles, I would add 5 seconds to each angle Add 20 seconds to each angle add 10 seconds to each angle subtract 10 seconds to each angle subract 5 secondes to each angle
add 10 seconds to each angle
Blunders are Can be calculated out resolved by averaging Are really biases Do not occur these days because of the equipment we use resolved by remeasurement
resolved by remeasurement
What is the distance between station 14+50 and 27+60 27.60 feet 131.00 feet 1310.00 feet 13,100 feet 2760 feet
1310.00 feet
"A" to "B" has an azimuth of 347° 12' 50". What is the azimuth from "B" to "A"? S 12° 47' 10" E 128° 37' 45" 257° 12' 50" 167° 12' 50" You Answered S 51° 22' 15" E
167° 12' 50"
The Azimuth from B to C is 54° 35' 15". Set on "B", Backsighting "A" turn a clockwise angle to "C" of 158°28'30". What is the azimuth from "B" to "A"? 146° 56' 15" S 76° 06' 45" E 256° 06' 45" 463° 53' 15" No Correct Answer S 33° 03' 45" E
256° 06' 45"
"A" to "B" has an azimuth of 93° 12' 50". What is the azimuth from "B" to "A"? 03° 12' 50" N 86° 47' 10" W 266° 47' 10" 273° 12' 50" S 86° 47' 10" W
273° 12' 50"
Set #1HI=4.85 HR=4.25 Slope Dist. to #2 = 728.85' Zenith= 87°53'28" Azimuth #1 to #2 = 116°14'50" Elev.#2= 375.60ft. What is the elevation of #1 based on the information above? 348.15 ft. 697.33 ft. 403.05 ft. 53.87 ft. 375.56 ft.
348.15 ft.
What is the value of distance "c" if Angle "B" = 35° 25' 30" and distance b =318.8
550 margin of error +/- 0.02
The Azimuth from "A" to "B" is 34° 25'50". What is the Bearing from "B" to "A"? South 34° 25' 50" East North 34° 25' 50" West South 55° 34' 10" West South 34° 25' 50" West North 34° 25' 50" East
South 34° 25' 50" West
Accuracy is the absolute relationship between the measured value and the true value True False
True
A change in northing is called Delta North Delta East Departure latitude Longitude
latitude
