Why are vertical suction risers often smaller than the horizontal runs on the same suction line?
A) The risers are sized smaller to increase the pressure drop for improved control.
B) The risers are sized smaller to minimize pressure drop.
C) The risers are sized smaller to maintain a minimum velocity to lift the oil.
D) The risers are sized smaller to minimize noise.
C
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418 h?ours ¸ 22 =
A. ?19 hours B. ? 22 hours C. ? 836 hours D. ?9,196 hours
Each year, _____________ tons of soil wash or blow from farmlands of the United States
a. 1.2 billion b. 1.5 billion c. 1.7 billion d. 1.9 billion
Two angles are complementary if they sum to 180°.
Answer the following statement true (T) or false (F)
Why do most diesel engines tend to be undersquare?
A. To produce high compression ratios. B. Turbocharging is easier to accomplish in undersquare engines. C. To increase thermal efficiency therefore reducing rejected heat. D. It cost less to make undersquared engines.