A bearings may overheat if the wheel bearing-adjusting nut is not adjusted properly to provide the correct bearing preload.
Answer the following statement true (T) or false (F)
True
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The NEC® specifies the minimum radius of conduit bends because _____.
a. installation of additional pull boxes is more efficient b. bending equipment cannot produce tighter bends c. the insulation on conductors could be damaged as it is pulled d. the internal diameter of the conduit may be increased
NFPA 70E® provides practical guidance in _____.
a. confined space entry b. fall protection procedures c. electrical hazard assessment d. solvents and toxic vapors
The temperature measurement of the air outside around the unit is called:
A) Supply-air temperature. B) Return-air temperature. C) Ambient temperature. D) Approach temperature.
For circuits to be equivalent, they must have the same voltage and the same resistance across the __________
A. ideal voltage sources B. short-circuit terminals C. open circuit terminals D. parallel connections