Question 1

Two thousand, five hundred feet of BX cable are ordered. The cable is shipped in 250-foot coils. How many coils are shipped?

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Question 2

A very small magnet is wound with 97 layers with 215 turns per layer. How many turns of wire are on the coil?

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Question 3

Box A and box B each contain type C connectors. Box A contains 200 connectors and costs $30. Find the cost of box B, which contains 260 connectors. The unit price is the same for both boxes.

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Question 4

An electrician uses 763 feet of conduit on each floor of a five-story building. What is the total length of conduit used?

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Question 5

A bearing on a large machine is tested over a period of 8 hours at a speed of 40,500 revolutions per hour. How many revolutions does the shaft turn in the bearing during the test period?

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Question 6

An electrician removes from stock, at different times, the following amounts of BX cable: 120 feet, 327 feet, 637 feet, 302 feet, 500 feet, 250 feet, 140 feet, 75 feet, and 789 feet. Find the total number of feet of BX cable taken from stock.

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Question 7

The following number of BX staples are used during a given period: 28, 250, 38, 108, 92, 130, 25, 36, 97, 91, 65, and 40. Find the total number of BX staples used.

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Question 8

A purchase of 2,500 feet of number 14 double-braided, rubber-covered wire is made for a job. On November 1, 978 feet of this wire are used, and on November 3, 1,023 feet are used. How many feet of wire are left?

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Question 9

A school has 12 electrical circuits that carry 2,569 watts, 1,260 watts, 1,639 watts, 563 watts, 790 watts, 800 watts, 1,137 watts, 250 watts, 500 watts, 750 watts, 1,830 watts, and 2,462 watts. What is the total number of watts consumed when all these circuits are being used under their total loads?

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Question 10

An inventory sheet shows a balance of 500 outlet boxes on January 1. On January 10, 127 outlet boxes are taken out of stock. On January 14, 61 outlet boxes are returned to stock. How many outlet boxes are left in stock after January 14?

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Question 11

A wiring job uses 1,232 feet of cable for 56 outlets. What is the average number of feet per outlet?

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Question 12

A certain wiring job has 28 outlets equally spaced over 351 feet. If one outlet is placed at the beginning and one at the end, what is the center-to-center distance between outlets?

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Question 13

The product of current (amperes) and voltage (volts) equals power (watts). The total power of an electrical circuit is equal to the sum of the individual powers. Find the total power for the circuit shown.

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Question 14

Twelve standard packages of conduit fittings are purchased. Their combined weight is 780 pounds. What is the weight per package?

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Question 15

A building uses the following size lamps: sixteen 50-watt, nine 15-watt, twelve 25-watt, six 75-watt, and four 100-watt. How many watts are consumed when all the lights in the building are burning?

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Question 16

How many 250-foot rolls of BX cable are needed if a job requires a total of 5,250 feet?

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Question 17

A tapered pin has a small-end diameter of 101 centimeters and a large-end diameter of 189 centimeters. What is the difference between the two diameters?

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Question 18

On a 124-foot length of Romex cable, 32 staples are used. The staples are equally spaced. If one staple is placed at the beginning and one at the end of the cable, how far apart are the staples placed?

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Question 19

Thirty-four steel boxes are used for a certain wiring job. In each box, five 1-inch holes are drilled. In twenty-three of the boxes, two 1³/₄-inch holes are drilled, and the remaining boxes have three 1¹/₂-inch holes drilled in them. How many holes are drilled in all the boxes?

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Question 20

A certain lighting job requires four incandescent fixtures, twelve direct fluorescent luminaries, and nine semidirect fluorescent luminaries. The incandescent fixtures cost $19 each; the direct luminaries cost $26 each; and the semidirect luminaries cost $31 each. Find the total cost of all the fixtures and luminaries.

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Quiz 1: Whole Numbers