The refrigerant in an absorption chiller is
A) lithium bromide B) HCFC 123 C) water D) HFC 134a
C
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If a law enforcement vehicle is stopped on the right side of the road with its lights flashing you should
A. Speed up. B. Stay in the right lane. C. Move into the left lane.
To test a moly or chrome ring to see if it is ductile iron, simply twist it. If it is regular iron, it will break in two.
Answer the following statement true (T) or false (F)
Alternative A has a rate of return of 14% and alternative B has a rate of return of 17%. If the investment required in B is larger than that required for A, the rate of return on the increment of investment between A and B is: (choose one)
(a) Larger than 14% (b) Larger than 17% (c) Between 14% and 17% (d) Smaller than 14%
Root-mean square (RMS) is a mathematical formula for:
A) Measuring the pressure drop across an air filter. B) Calculating the electrical power passing through a alternating current circuit. C) Determining the physical resistance of an AC motor. D) Determining the price of a replacement compressor.