The low-voltage thermostat used on residential and light commercial conditioned air systems is difficult to diagnose because of its complexity and the fact that it is used for several purposes in a heating and cooling system.

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


True

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In the design process called ____ engineering, environmental concerns are considered throughout the process, not just at the end.

A. impact B. green C. sustainability D. responsibility

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On a transaxle, what component may be located behind the valve body?

A) The input shaft B) The torque converter C) The front seal D) The input drive chain

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In an air-conditioning system using a TX valve on the evaporator, if the head pressure increases 20 psig, the suction pressure will ______________________________.

Fill in the blank(s) with the appropriate word(s).

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When using inert gas to displace oxygen from a container prior to cutting, provide a _____

a. relief valve b. weephole c. drain plug d. vent hole

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