Overload relays are intended to disconnect the motor from the power line in the event ____.
a. that the motor nameplate is destroyed
b. the timing relays cut out the starting resistors
c. that the current draw becomes excessive
d. of a voltage unbalance
c. that the current draw becomes excessive
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____ is used to prevent water from running behind the siding.
A. Molding B. Elevation C. Cement D. Flashing
Most brake experts and vehicle manufacturers recommend replacing brake lining when the lining thickness is ________
A) 0.050 in. (1.3 mm) B) 0.040 in. (1.0 mm) C) 0.060 in. (1.5 mm) D) 0.030 in. (0.8 mm)
When electrons in the N-type material are combined with holes in the ____ material, energy is released in the form of photons.
A. energy gap B. GaAsP C. P-type D. GaAs
Which of the following is NOT a food source for mold?
A. wood B. dirt C. dust D. metal