Why are starting components needed on a 1Ø compressor motor?

a. Because 1Ø motors are 120° out of phase.
b. More starting torque is needed on 1Ø motors than on 3Ø motors.
c. Single phase motors need a phase shift in order to start the rotor turning.


c. Single phase motors need a phase shift in order to start the rotor turning.

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Detonation may be caused by excessive ignition spark advance.

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

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For every one PSI increase in cooling system pressure, the coolant's boiling point is raised how many degrees F?

A) Two B) One C) Five D) Three

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What fuel system component is used in a vehicle equipped with a diesel engine that is NOT usually used on the same vehicle when it is equipped with a gasoline engine?

A) Fuel filter B) Water-fuel separator C) Fuel supply line D) Fuel return line

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What is the maximum reading on a typical R22 compound gauge?

A) 300 psig B) 120 psig C) 800 psig D) 500 psig

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