Electrical controls are divided into two categories: _________________________ and _________________________.
Fill in the blank(s) with the appropriate word(s).
power-consuming, power-passing
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A ____ is the part of a drill that holds the drill bit securely in place.
a. holder b. container c. twist d. chuck
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All electric equipment must be ____ to allow ready and safe equipment operation and maintenance.
A. externally grounded B. surrounded by sufficient unobstructed space C. enclosed within a metal cabinet D. surrounded by at least 2 ft of ventilation space
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An electrical protection device is usually a(an) ________
A) Wire B) Electrical load device C) Switch D) Fuse
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Duty cycle is measured in ________-minute increments
A) 60 B) 10 C) 15 D) 30
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