2-3-2
A worker has been sent to the equipment yard to pick up a 75-foot pole on a trailer. At the equipment yard, however, all the poles are identified by their length in meters. How many meters long is a 75-foot pole? a.22.85 m b.25.32 m c.27.35 m d.28.25 m
22.85 m
Four major units of metric measure presented in this lesson are the meter, the gram, the second, and the ? . a.ampere b.Fahrenheit c.kilo d.mil
A. Ampere
The metric system was originally implemented by ? scientists. a.American b.French c.German d.Japanese
B. French
The prefix kilo means ? . a.0.001 b.100 c.1000 d.10−3
C. 1000
How many meters are there in 350 centimeters? a.0.035 m b.0.35 m c.3.5 m d.35 m
C. 3.5 m
The metric system is based on ? . a.decimal numbers b.international methods c.powers of 10 d.standardized measurements
C. Powers of 10
The liter is a unit of measure of ? . a.area b.length c.volume d.weight
C. Volume
The metric prefix centi represents a value of ? . a.10−1 b.102 c.one tenth d.0.01
D. 0.01
Select the proper conversion for the given number.0.5 W = ? . a.0.5 × 10−3 mW b.5 × 10−3 kW c.0.05 × 10−3 W d.500 mW
D. 500mW
The major advantage of using the metric system over the customary system of measurement is ? . a.accuracy b.conformity c.necessity d.simplicity
D. Simplicity
The S in the SI Metric system stands for ? of International Units a.Sample b.Standard c.Symbol d.System
D. System
A person who weighs 74 kilograms weighs more than 170 pounds. Select one: True False
False
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. Select one: True False
True
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. Select one: True False
True
To convert 3,875 millimeters to centimeters, move the decimal point ? . a.1 place to the left b.1 place to the right c.2 places to the right d.5 places to the left
a.1 place to the left
Select the proper conversion for the given number.1.5 MΩ = ? . a.1,500,000 Ω b.150 kΩ c.0.015 GΩ d.15 × 106 Ω
a.1,500,000 Ω
Convert the given temperature to the indicated unit of measurement.212°F = ? a.100.0°C b.135.6°C c.149.8°C d.324.0°C
a.100.0°C
After installing underground wiring, an Electrical Worker needs to seal the driveway, which has an area of 30 square yards. The sealant describes coverage in square meters. What is the area to be covered in square meters? a.25.08 m2 b.26.79 m2 c.33.60 m2 d.35.86 m2
a.25.08 m2
The radius for a curved wall is 36 feet, 5 3/4 inches. What is this dimension expressed in meters? a.0.111 m b.11.1 m c.1.1 m d.111.1 × 10−2 m
b.11.1 m
The first floor elevation of a building is 751.2 feet above sea level. How many meters is it above sea level? a.22.90 m b.228.97 m c.2289.70 m d.22,896.58 × 10−3 m
b.228.97 m
A transformer weighs 1,095 kilograms. How many pounds is this? a.243.1 lbs b.493.2 lbs c.2430.9 lbs d.24,309 lbs
c.2430.9 lbs
A 250-kVA, 3-phase, 480-volt transformer requires 80 gallons of insulating oil to keep it properly cooled. How many liters is this? a.281.1 L b.287.0 L c.302.8 L d.378.5 L
c.302.8 L
Convert the given temperature to the indicated unit of measurement.10°C = ? a.23.3°F b.37.5°F c.50.0°F d.75.0°F
c.50.0°F
Convert the given temperature to the indicated unit of measurement.10°F = ? a.−39.6°C b.−26.5°C c.−12.2°C d.23.3°C
c.−12.2°C
The metric prefix deci represents a value of ? . a.100 b.101 c.0.01 d.10−1
d.10−1
