________ action uses drum rotation to force the brake shoe outward and wedge it tightly against the brake drum
A) Centrifugal B) Centripetal C) Servo D) Self-energizing
D
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Newton-meters are used to measure torque.
Answer the following statement true (T) or false (F)
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A transformer-supplied system operating at less than 50V must be grounded if the supply voltage to the transformer exceeds _____.
a. 24V b. 50V c. 120V d. 150V
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List the three shock protection boundaries.____________________________________________________________________________________________________________
What will be an ideal response?
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Three phase AC power is used:
A) In both residential and commercial buildings. B) Only in Europe. C) Only in commercial buildings. D) Only in residences.
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