The size indicated for the diameter of ACR copper tubing is the ____.

A. inside diameter
B. outside diameter
C. wall thickness
D. None of the above.


Answer: B

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One of the two basic types of starting relays used with the resistance start and capacitor start motors is the ____ relay.

a. voltage b. hot-wire c. resistance d. rotor

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A car starts from rest and 5 seconds later it is going . What is the car’s average acceleration?

a. 1.25 m/s b. 4 m/s c. 5 m/s d. 20 m/s

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A thermistor that increases its resistance as temperature rises is said to have a _____

a. high temperature coefficient b. positive coefficient of resistance c. negative coefficient of resistance d. coefficient of high resistance

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Unlike a standard van trailer a reefer trailer is constructed with insulation in the floors, walls, ceiling, and doors. Insulating properties are also known as:

A. Insulators B. Resilient C. "R" value D. Rigid value

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