HW 105A

c

1" conduit costs $800 per 1000 foot bundle. The cost of one 10 foot stick is _____. a. $80.00 b. 80 cents c. $8.00 d. 8 cents

d

1.986 ÷ .555 = ? a. 279 b. 3.333 c. 1.102 d. 3.578

d

18 inches = _____._____ feet a. 1.8 b. 216 c. 2.16 d. 1.5 e. 1.6

b

2 hours 12 minutes - 1 hour 32 minutes = a. 1 hr 20 min b. 40 minutes c. 80 minutes d. 1 hr 28 minutes

a

3 hours 14 minutes - 1 hour 52 minutes = a. 1 hr 22 min b. 20 minutes c. 22 minutes d. 1 hr 2 min

c

3/4 = ____% a. 34 b. 7.5 c. 75 d. .75 e. 750

b

4.1112 + 3.875 + 6.4442 - 3.668 - 2.6665 = ? a. 20.7649 b. 8.0959 c. 15.4419 d. 12.2097

a

41.5% of 4378 equals ____. a. 1816.87 b. 1921.33 c. 2048.77 d. 2116.87

d

63.32 - 39.46 = _____. a. 24.18 b. 39.86 c. 32.12 d. 23.86

d

75 is 5% of ____ a. 375 b. 3,750 c. 150 d. 1,500

b

8 feet = ____ inches a. 8 b. 96 c. 2.8284 d. .6667 e. 32

a

8 inches = ____ yards a. .2222 b. .5 c. 2 d. .6667

a

A lead electrician earns $35,400 a year. The employer deducts 3 1/2% for a company pension plan. How much is deducted each year? a. $1,239.00 b. $1,195.63 c. $1,150.50 d. $1,026.75

d

An electrician has 333 feet od ditch to excavate. The ditching machine will dig 37 feet per hour. How many hours will it take to dig the ditch? a.. 10 hours b. 7 hours c. 8 hours d. 9 hours

a

An electrician makes $410 per week. The company withholds 25% for tuition, 12.5% for social security, and 2.25% for Medicare. The electrician's take-home pay is $____. a. 247.03 b. 307.50 c. 297.25 d. 162.97

d

An electrician wants to buy a used pickup truck to go back and forth to work. One of the auto dealerships has a pickup for sale at $9,780.00. The dealer will allow a 12.5% discount for a quick sale. The electrician will pay $_____ for the truck with this discount. a. $1,222.50 b. $11,002.50 c. $3,667.50 d. $8,557.50

a

Compressed gas cylinders should be opened slowly to prevent _____. a. Valve damage b. An explosion c. Tank rupture d. All of these

b

Damaged cords on power tools should be _____. a. Repaired b. Replaced

d

Each week you have 6% of your pay taken out of your check for you 401K retirement plan. You make $10.50 per hour. You worked 42 hours this week and get paid time-and-a-half for all hours worked over 40. $___ will be taken out of your check this week for your 401K. a. 26.46 b. 76.92 c. 73.50 d. 27.09 e. 25.20

b

Electrical contractor number one has 42 journeyman electricians, 19 apprentice electricians, and 18 laborers. Electrical contractor number two has 95 journeyman electricians, 28 apprentice electricians, and 21 laborers. How many more journeyman electricians, apprentice electricians and laborers does electrical contractor two have? a. 52, 8, 4 b. 53, 9, 3 c. 52, 9, 4 d, 53, 9, 2

a

Electrical materials such as luminaires (light fixtuues) should be stored on the closest stairway landing to where they will be installed. a. False b. True

b

Four rooms of a house contain lamps that have the following wattages: The living room has 4-150 watt lamps; the dining room has 5- 75 watt lamps; the master bedroom has 2- 75 watt lamps and 4- 150 watt lamps; the bathroom has 3- 65 watt lamps. What is the total load when all lamps are operating? a. 1960 watts b. 1920 watts c. 1885 watts d. 1985 watts

c

How many 250-foot rolls of BX cable are needed if a job requires 5750 feet? a. 24 b. 21 c. 23 d. 22

a

If two sides of a right triangle have lengths of 23 feet and 45 feet, how long is the hypotenuse? a. 50.54 feet b. 8.25 feet c. 23.96 feet d. 42.25 feet

b

Journeyman #1 drives 103 miles to work, journeyman #2 commutes 5 miles, and journeyman #3 drives 18 miles. Twenty apprentices drive a total of 1460 miles. The total number of miles driven by all the journeymen and apprentice electricians is _____ miles. a. 126 b. 1586 c. 1460 d. none of these

d

Juan went to the electrical supply house and spent $147.16 on tools. He paid $24.67 for lineman's pliers. How much did he spend for tools, other than the lineman's pliers? a. $122.59 b. 123.49 c. 123.59 d. 122.49

c

On EWR Plan 1, locate the unexcavated area shown immediately south of the recreation room storage area. To the nearest 1/16th inch, the length (left to right) of the unexcavated area is ____ inches. a. 11/16 b. 2 15/16 c. 2 13/16 d. 2 7/8 e. 2 1/2

d

Platform planks should overlap supports not less than ____ inches nor more than ____ inches and should be secured from shifting. a. 4 - 12 b. 4 - 8 c. 6 - 8 d. 6 - 12

e

Refer to picture. The total number of field personnel on this job is _____. a. 66 b. 65 c. 70 d. 69 e. 68

b

Rounded off to the nearest tenth, 103.49 is ____. a. 103.4 b. 103.5 c. 103 d. 104

a

The average of all your quiz grades accounts for 15% of your quarterly grade. To the nearest whole number, what is your quiz average grade for the 1st quarter of the school year where your homework and pop quiz grades are: Homework: 90, 0, 40, 95, 0, 10, 25, 48, 79, 83 Pop quizzes: 80, 20, 50, 98, 25, 0, 15, 60, 100 a. 50 b. 85 c. 56 d. 62 e. 69

a

The diameter of a #10 bare copper wire is 0.10190 and the diameter of a #14 bare copper wire is 0.06408. How much larger is the diameter of the #10 wire than that of the #14 wire? a. 0.03782 b. 0.04483 c. 0.0116 d. 0.05108

a

The electrical contractor has seven service trucks. They each are driven an average of 28,972 miles per year. What is the total number of miles traveled in a year for all seven trucks? a. 202,804 b. 173,832 c. 439,628 d. none of these

b

The length of a is ______ where c = 192" and b= 9'. a. 7'-0" b. 13'-2 3/4" c. 15'-11 25/32" d. 191.79' e. 2'-7 3/4"

d

The length of b is ____ where a = 12 2/3 yd and c = 78 ft. a. 40'-0" b. 6'-3 29/32" c. 35'-9 15/16 d. 68'-1 13/32 e. 32'-2 11/16

b

To the nearest hundredth, find the quotient of a. 48.33 b. 49.83 c. 46.88 d. 47.36

a

What is the sum of 347 + 28 + 1049 + 13.5 + 6? a. 1443.5 b. 1565 c. 1432.35 d. none of these

a

Which is smaller? 1/3 or 35% a. 1/3 b. 35%

a

Which of these is smaller? 1.26% or 1/8 a. 1.26% b. 1/8

a

Which of these is smaller? 39.5% or 2/5 a. 39.5% b. 2/5

e

Written in decimal form, 100% = _____. a. 100 b. 10 c. .1 d. .01 e. 1

e

You charged $12,232.25 at the supply house for material you needed to do your jobs. They charge you 1.2% interest per month on money you owe them past due date of the invoice. If you pay your bill one month later than the due date your total payment due is now _____. a. $12,085.46 b. $14,678.70 c. $13,700.12 d. $14,270.96 e. $12,379.04

a

You have 7000 feet of 3/4'" EMT delivered to the jobsite each week. Each week your electricians throw 900 feet of EMT remnant (short) pieces and "practice bends" into the trash dumpster. What percentage of the EMT delivered each week goes into the trash dumpster? a. 12.9% b. 8.7% c. 1.28% d. 13.3% e. 87.1%

d

Your contractor is required to pay the federal government the SAME amount of Medicare.=/Social Security tax that you do (yours is withheld from your check). The tax rate is 7.65%. You make $10.42 per hour and work 40 hours this week. Your contractor has to send $_____ to the Feds to pay BOTH yours and the company's contribution. Reminder: Total tax sent to Feds = yours + contractor's a. 31.89 b. 345.85 c. 52.92 d. 63.77 e. 26.46

e

[4 feet- 9 inches] + [2 feet- 4 inches]= ____ feet a. 6.4167 b. 7.25 c. 4.9167 d. 6.75 e. 7.0833

a

[4 feet- 9 inches] - [2 feet- 4 inches]= ____ feet a. 2.4167 b. 2.9167 c. 2.0833 d. 2.5 e. 3.0833

b

[4 feet- 9 inches] - [2 feet- 4 inches]= ____ yards a. .8333 b. .8056 c. .9722 d. .6944 e. .8333

c

[6'-3"] + [22'-2"]= a. 28.5' b. 28'-6" c. 28'-5" d. none of these

b

the decimal equivalent of 5/16 is _____. a. .516 b. .3125 c. .285 d. .375 e. 0.185