The four characteristics of a vibration cycle are velocity, displacement, acceleration, and ...

The four characteristics of a vibration cycle are velocity, displacement, acceleration, and ________.

A) resonance B) wave length C) volume D) frequency

[Ques. 2] The vibration in a machine is caused by the ________ of movement at each peak of the vibration cycle.

A) increase B) reversal C) cessation D) decrease

[Ques. 3] An outside force called ________ can activate natural frequencies in a machine.

A) acceleration B) cavitation C) vibration D) resonance

[Ques. 4] If the head of a body of fluid increases, which of the following happens to the pressure and depth?

A) The pressure is unaffected, but the depth increases.
B) The pressure decreases, but the depth increases.
C) The pressure and depth increase.
D) The pressure and depth decrease.

[Ques. 5] A refrigerant properties chart calls for 100 psia. The reading you would see on your gauges is:

A) 100 psia + 15 = 115 psig (rounded).
B) 100 psia - 15 = 85 psig (rounded).
C) The pressure reading cannot be determined without knowing the refrigerant.
D) 100 psig.

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The four characteristics of a vibration cycle are velocity, displacement, acceleration, and ...

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