Hard layers under the soil’s surface are called ____________________



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


ANS: hardpans

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What device is used primarily to absorb energy and dampen suspension oscillation?

A. Equalizer bracket B. Torque rod C. Springs D. Shock absorber

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What part should be removed to test cylinder compression on a diesel engine?

A) Injector B) Glow plug C) Intake valve rocker arm and stud D) Glow plug or injector

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When performing a test and balance procedure on a zoned system, correct airflow should first be established:

A) For each zone before balancing the individual branches. B) For the branch with the highest CFM requirement in each zone. C) For each branch before balancing the zones. D) For the branch with the lowest CFM requirement in each zone.

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The construction and labeling of refrigerant containers is governed by _____

A) ASHRAE B) the DOT C) the EPA D) NCCER

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