The point at which water or another substance may exist simultaneously as a solid, liquid, and gas is:

A) Triple point. B) Triple equilibrium.
C) Critical point. D) Thermal equilibrium.


A

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The loss of soil nutrients by water movement is called:

a. Leaching c. Wash-out b. Absorption d. Diffusion

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In a wastewater cooled system, the difference between the condensing temperature of the refrigerant and the leaving water temperature is approximately ____.

A. 10°F B. 20°F C. 30°F D. 40°F

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Mixing valves control the final temperature of radiant loops:

A) By bleeding off some of the hot water before it enters the loop. B) By mixing the hot boiler water with fresh makeup water. C) By mixing the hot water from the boiler with the cold water from the chiller. D) By mixing the hot boiler water with cooler return water.

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The line that connects the condenser to the metering device is called the:

A) Liquid line. B) Discharge line. C) Suction line. D) Condensate line.

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