Technician A states that when diesel fuel is combusted, one of the products of combustion is water. Technician B states that carbon dioxide results from burning diesel fuel. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C. Both A and B
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Contrast NPDH and NPSH and describe how each one effects the operation of the pump system. See Review question # 1.
What will be an ideal response?
There are 640 acres in a square mile. How many square miles are there in 80 acres?
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In zoning systems with multiple stages of cooling, which of the following is most likely to determine when
the second stage begins to operate? a. The amount of superheat in the suction gas returning to the condensing unit. b. The amount of subcooling in the liquid leaving the condensing unit. c. The difference between the supply and return air temperatures. d. The length of time the first stage has operated without satisfying the space.