A(n) _____ is an atom or molecule which has lost or gained one or more electrons.

A. element
B. oxide
C. ion
D. neutron


Answer: C

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On drum brake applications what returns the shoes to the released position after the operator removes his foot from the pedal.

A. hydraulic force B. centrifugal force C. spring force D. none of the above

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The ________ converts linear motion of the pistons into rotary motion

A) Connecting rod B) Crankshaft C) Camshaft D) None of these

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What is an oil lift?

A) An oil lift helps return oil up a vertical riser using an integral orifice tube, which creates a Bernoulli effect, forcing oil up the line. B) An oil lift is an electric oil pump that moves collected refrigerant oil up against gravity. C) An oil lift is the increase in pressure created in the suction line due to the presence of refrigerant oil. D) An oil lift is a trap at the bottom of a vertical suction riser.

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When are shims required when installing a traditional door in relation to the jamb assembly?

A) After jamb assembly B) During jamb assembly C) Before jamb assembly D) N/A — shims are not needed

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