When mounting an engine to an engine stand, what grade bolt should be used?
A) 3 or 5 B) 1 or 4 C) 5 or 8 D) 4 or 7
C
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When drawn using AutoCAD, standard blocks should be represented with the ____ hatch pattern.
A. AB-816 B. AN-816 C. AR-816 D. CR-816
Some compressor contactors have only one set of contacts instead of two so that ____.
A. power to the compressor can be more easily interrupted B. there will be less contact wear C. the contactor will fit into a smaller space D. a small amount of power can be passed through the motor windings for off-cycle crankcase heat
What are presentation boards used for?
A. displaying the initial working drawings B. displaying the final drawings C. explaining how large pieces of heirloom furniture will be displayed D. presenting fabric samples for wall finishes and furniture
If a motor hums but does not start, there is a potential problem ____.
A. with the starting components B. with an open winding C. with insufficient supply voltage D. all of the above