For most residential systems, a ____ cfm vacuum pump is adequate.

A. 3
B. 4
C. 5
D. 6


Answer: B

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What will be an ideal response?

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A technician purchases 6 spark plugs at $2.48 each. A discount of 30% is given. What does the technician pay for the spark plugs?

Fill in the blank(s) with the appropriate word(s).

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A closed loop hydrostatic system is one that:

a. has a sealed reservoir b. has a closed loop pilot system c. has a directional control valve d. has its pump and motor flow recirculate betweeneach other

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Before using a voltage tester, check to make sure it is functioning correctly by _____

A) touching the leads together B) connecting it to a known energized source C) grounding the leads D) checking it with a multimeter

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