Which class of manufactured duct has the lowest flame spread and smoke developed ratings?
A) Class 1 B) Class 2
C) Ductwork does not burn D) Class 0
D
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Assembly prints are always shown with section lines.
Answer the following statement true (T) or false (F)
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The EPA has estimated that ____ of the power used by the average television is used when it is off and in the standby mode.
A. one-fourth B. one-third C. one-half D. two-thirds
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The average time for lubricating a car is 2/5 hour. How many cars can be lubricated in an 8-hour day?
A. 15 B. 20 C. 24 D. 25
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Germanium and ____ are the most common semiconductor materials used in the electronics field.
A. gold B. silver C. silicon D. iron
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