In ____, a voltage, or electromotive force, “squeezes” the crystal, distorting its shape, and then the crystal “squeezes” back. This back and forth contraction and expansion produces vibrations or oscillations.

a. ultrasonics
b. reflectometry
c. centrosymmetry
d. piezoelectricity


d. piezoelectricity

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Shake is often caused by a vibration in the exhaust system or an engine accessory like the air-conditioning compressor.

Answer the following statement true (T) or false (F)

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____________________ is the stabilization of large trees and plants using hose wrapped wires or strapping material attached to anchoring devices driven into the ground

Fill in the blank(s) with correct word

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The refrigerant in an absorption chiller whose source of energy is steam or hot water is ____________________.

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

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How is the A/C compressor effective cycle managed in truck air conditioning systems?

A. electronically B. thermostat C. centrifugal clutch D. all of the above

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