What is the primary function of an EPR valve?

a. Maintains a minimum suction pressure at the compressor.
b. Keeps pressures and temperatures up in the evaporator.
c. Prevents compressor overload during hot pull-down.


b. Keeps pressures and temperatures up in the evaporator.

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Return on capital in five years is a yield of:

A. 15% B. 20% C. 25% D. 30%

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Most thermostats start to open at between ____.

A. 500F and 1000F B. 1880F and 1950F C. 1900F and 2000F D. 2500F and 3000F

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Describe how a continuous control count can be used with a two-day count to estimate AADT.

What will be an ideal response?

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What are the three measures used to describe service quality for a two-lane highway? Which of the measures are used to describe level-of-service for Class I Class II, and Class III highways?

What will be an ideal response?

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