Deck 6: Measure

Question 1

The diameter of a number 10 AGW wire is 0.0285 inch. What is the radius in centimeters? Answer in three decimal places.

Answer 1

.036

Question 2

Capacitance is directly proportional to the surface area of a capacitor s plates. What is the total plate area in square centimeters of a capacitor with six plates of the dimension and shape shown? Round the answer to the nearer hundredth square centimeter.

Answer 2

16.47

Question 3

An auditorium is 45 meters wide and 60 meters long. The building code requires 1.2 square meters for each person occupying the auditorium. What is the searing capacity of the auditorium?

Answer 3

2,250

Question 4

The velocity or ratio wave propagation in free space is 186,000 miles per second. What is the velocity in kilometers per second? Carry the answer to three decimal places.

Question 5

To run a 3-wire cable, a hole is drilled through a plate, the subflooring, and the finished flooring. The plate is 1.6 centimeters, and the subfloor is 3.4 centimeters and the finished flooring is 8 millimeters. Find the depth of the hole in centimeters. Carry the answer to one decimal place.

Question 6

The measured inductance of a power line 110 kilometers long is found to be 295 millihenery. What is the inductance of the line per meter? Express the answer to the nearer hundredth microhenery.

Question 7

Find dimensions B in centimeters to one decimal place.

Question 8

The measured inductance of a power line 110 kilometers long is found to be 295 millihenery. What is the inductance of the line per kilometer? Express the answer to the nearer hundredth millihenery.

Question 9

A trench 4 feet deep and 122 yards long is dug to contain several conduits. The trench is to contain 3 runs of 2 conduit, 2 runs of 1 conduit, and 1 run of 4 conduit. Each conduit must protrude out of the ground a minimum of 1 foot at each end. Each conduit section is 10 feet long. How many sections of 2 will be needed?

Question 10

An electrician has to pour a concrete pad for a freestanding federal Pacific 1,600-ampere switch gear. The switch gear measures 30 inches wide, 94 inches long, and 96 inches high. If the pad has to be 6 inches larger than the switch gear on all sides, how many square feet of surface area will the pad cover? Carry the answer to two decimal places.

Question 11

The Texas Instruments TI 36X calculator can be used to convert Fahrenheit temperature to Celsius temperature.

Question 12

Carry the answer to two decimal places. Find dimension A in millimeters.

Question 13

A trench 4 feet deep and 122 yards long is dug to contain several conduits. The trench is to contain 3 runs of 2 conduit, 2 runs of 1 conduit, and 1 run of 4 conduit. Each conduit must protrude out of the ground a minimum of 1 foot at each end. Each conduit section is 10 feet long. How many sections of 1 will be needed?

Question 14

A trench 4 feet deep and 122 yards long is dug to contain several conduits. The trench is to contain 3 runs of 2 conduit, 2 runs of 1 conduit, and 1 run of 4 conduit. Each conduit must protrude out of the ground a minimum of 1 foot at each end. Each conduit section is 10 feet long. How many sections of 2 will be needed?

Question 15

Find the distance A in the eccentric cam shown. Carry the answer to one decimal place.

Question 16

A type W4 conductor Neoprene portable cable has an outside diameter of 0.6 inch. What is the cross-sectional area of this cable? Express the answer to the nearer thousandth square inch.

Question 17

A rectangular concrete pad 180 inches wide and 450 inches long supports four transformers. Each transformer base measures 100 inches by 68 inches. What percent of the pad surface area is covered by the transformers? Round the answer to the nearer hundredth percent.

Question 18

The outside diameter of an electrical conduit is 6.3 centimeters. The thickness of the conduit is 0.4 centimeter. Find the inside diameter of the conduit. Carry the answer to one decimal place.

Question 19

A piece of copper bus bar is 0.75 millimeter by 100 millimeters in cross section. What is the cross-sectional area in square centimeters? Carry the answer to two decimal places.

Question 20

If the Texas Instruments TI 36X calculator is used to convert inches from English to metric units, the answer will be given in:

A) centimeters
B) gallons
C) liters
D) kilograms

Question 21

A 20-ampere fuse element will open at 203 degrees Fahrenheit due to heat from excessive current. At what Celsius temperature will the fuse open?

Question 22

State 5,000 microfarads as farads.

Question 23

State 500,000 milliamperes as amperes.

Question 24

State 200 kilovolts as megavolts.

Question 25

A power transformer with capacity of 7 gallons of askarel is one-half full. How many additional liters of askarel are needed to fill the transformer? Round the answer to the nearer tenth.

Question 26

A circular box cover is 10.16 centimeters in diameter and has a 20.42 millimeter hole in the center. Find the area of the cover. Carry the answer to three decimal places.

Question 27

Match the answers given below to the correct conversion operation.
3,300 ohms to kilo ohms

A)
B)
C)
D)
E)
F)

Question 28

A piece of copper bus bar is 1 centimeter thick by 8 centimeters wide. Find the cross-sectional area of the bus bar.

Question 29

An office 7 meters by 6 meters is wired for lights. Twenty 40-watt lamps are installed. What is the power consumption for the office lighting in watts per square meter. Carry the answer to three decimal places.

Question 30

The current flow past a given point is electrons per second. Find to the nearer tenth ampere the current flow past this point. 1 coulomb = electrons 1 ampere = 1 coulomb/sec.

Question 31

Match the answers given below to the correct conversion operation.
12 volts to millivolts

A)
B)
C)
D)
E)
F)

Question 32

A power transformer needs 25 gallons of askarel. Find the number of one-liter containers of askarel needed for the transformer.

Question 33

Match the answers given below to the correct conversion operation.
0.33 kilowatt to watts

A)
B)
C)
D)
E)
F)

Question 34

Match the answers given below to the correct conversion operation.
0.33 kilowatts to megawatts

A)
B)
C)
D)
E)
F)

Question 35

State 10 kilowatt-hours as megajoules.

Question 36

An embedded heating cable is installed in a driveway to melt ice and snow. The driveway is 10 feet wide and 120 feet long. The cable uses 250 watts of power when activated. How many watts of power are used per square foot? Round the answer to the nearer hundredth.

Question 37

State 0.740 kilowatts-hour as kilojoules.

Question 38

It costs a contractor $90 to drive his truck 500 kilometers. Find the cost per kilometer to operate the truck.

Question 39

If the Texas Instruments TI 36X calculator is used to convert 678.35 pounds to kilograns, the answer rounded to 3 decimal places will be:

Question 40

Formulas are for a cube, cylinder, pyramid, and cone. One cubic foot will hold 7.5 gallons of water. A rectangle-shaped tank is 10 feet by 8 feet by 8 feet. How many gallons of water will this tank hold?

Question 41

Match the answers given below to the correct conversion operation.
3,300 ohms to mega ohms

A)
B)
C)
D)
E)
F)

Question 42

Match the answers given below to the correct conversion operation.
12 volts to microvolts

A)
B)
C)
D)
E)
F)