If, While Troubleshooting an R-22 Residential Air Conditioning System at near Design

question 25

Multiple Choice

If, while troubleshooting an R-22 residential air conditioning system at near design conditions, the operating pressures are found to be 40 psig on the low side and 116 psig on the high side, it is most likely that the system is

• A) overcharged
• B) operating with a dirty condenser
• C) undercharged
• D) operating properly

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Definitions:

Loyalists

Colonists who remained loyal to Great Britain during the War of Independence.

American Revolution

The colonial revolt that took place between 1765 and 1783, in which the Thirteen American Colonies won independence from Great Britain, establishing the United States.

Excitation Current

(1) The DC used to produce electromagnetism in the fields of a DC motor or generator, or in the rotor of an alternator or synchronous motor; (2) The AC that flows in the primary of a transformer with no load connected.

Primary

Referring to the first or main element of a system or device, such as the primary coil in a transformer.