Primary disadvantages of room air conditioners include:

A) They block part of the window area and produce operating noise.
B) They are only available in limited quantities.
C) Difficult installation requiring high levels of training.
D) They are more expensive than central systems.


A

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The op amp has two inputs, the ____ input and the ____ input.

A. eight-pin; sixteen-pin B. inverting; noninverting C. field effect; MOS D. resistor; capacitor

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You are seeking a soil with high clay content but one that is not sticky when wet nor hard and cloddy when dry. In which of the following suborders would you most likely find this soil?

A) Udert B) Cambids C) Aquands D) Ustox E) Ustalfs

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One advantage of glass stem thermometers is that they are:

A) Generally easier to read than dial type thermometers. B) More rugged than digital thermometers. C) Very accurate. D) Easy to use for measuring line temperatures.

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A geothermal heat pump system:

A) Uses the ground as a heat source in both heating and cooling. B) Uses the ground as a heat sink in heating and a heat source in cooling. C) Uses the ground as a heat sink in both heating and cooling. D) Uses the ground as a heat source in heating and a heat sink in cooling.

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