Quench cracks may be caused by:
A) Wrong selection of steel B) Time delay between quench and tempering
C) Overheating D) All of the above
D
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Cables of length? 
ft. and 
ft. are needed for an installation. Find the total length of cable needed.
Fill in the blank(s) with the appropriate word(s).
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A(n) ____ is a longitudinal center line of the thread.
A. root B. crest C. axis D. pitch
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There is no intake manifold heating on port-injected engines. Most are made of space age plastic materials or cast aluminum.
Answer the following statement true (T) or false (F)
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A drip-proof motor is designed to prevent any lubricating oil from leaving any of the bearings.
Answer the following statement true (T) or false (F)
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