What part of a ratchet or air gun, connects to the socket wrench?
A. ratchet
B. handle
C. drive lug
D. reversing lever
Answer: C
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A typical metric fastener size is _____.
a. M8 × 1 b. 3.4M c. 10 UNC d. 10 LH
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The most important element of the HAZCOM program is ______________.
Fill in the blank(s) with the appropriate word(s).
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Controls that use human hair for sensing are:
A) Pressurestats. B) Humidistats. C) Thermostats. D) Current overloads.
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What is the purpose of bypass piping on a hot water gas fired boiler?
A) ensure that the return water temperature does not drop too low B) to modulate the capacity of the heating system C) to allow the boiler to fire continuously, even with no heating load D) to relieve the extra pressure created by the circulating pump
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