It takes how many breaths of high concentrated hydrogen sulfide to kill a person?

A. 1 to 3
B. 3 to 5
C. 7 to 10
D. 12 or more


Answer: A

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Rotational force is referred to as ____.

a. momentum b. inertia c. friction d. torque

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A semiconductor can function as either a conductor or an insulator.

Answer the following statement true (T) or false (F)

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What type of weld would be used if the ends of the pieces that are to be welded are prepared to be square, beveled, U-shaped, or J-shaped?

A. fillet weld B. groove weld C. surfacing weld D. plug weld

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Motors that are intended to operate on two voltages such as 240 or 480 volts contain two separate ____________________ of each phase

Fill in the blank(s) with the appropriate word(s).

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