A material with four electrons in the valence ring is called ________
A) A compound B) A semiconductor C) A conductor D) An insulator
B
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The braking power of the spring brakes
a. Is not affected by the condition of the service brakes. b. Increases when the service brakes are hot. c. Depends on the service brakes being in adjustment.
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To fasten a duct hanger to a gypsum board wall, the best fastener would be an anchor shield.
Answer the following statement true (T) or false (F)
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If an engine develops 100 indicated HP, the brake HP will be about:
A. 85 HP B. 90 HP C. 95 HP D. 100 HP
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The openings in a safety net must not be larger than ______________ square inches.
A. 6 B. 12 C. 24 D. 36
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