When fuel exits a gear pump discharge port while an engine is run, what force moves more fuel into the gear pump inlet in a typical diesel fuel subsystem?

A. gravity
B. atmospheric pressure
C. charging pressure
D. injection pressure


Answer: B

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Which of the following is an application of pumps?

A. Supplying fire control water B. Providing circulation for systems C. Moving material between process vessels D. All of the above

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EPDs are calculated by utilizing information on which of the following?

A) Ancestors B) The individual animal C) Progeny D) Siblings E) All of the above

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What are the seven varieties of guinea pig? What are the characteristics of each type?

What will be an ideal response?

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The friction velocity F of water flowing through a pipe is given by , where g is the acceleration due to gravity, d is the diameter of the pipe, l is the length of the pipe, and his the head loss. Estimate F, and find the uncertainty in the estimate, assuming that exactly, and that

a. d=0.15 m and l=30.0 m, both with negligible uncertainty, and h=5.33 ± 0.02 m. b. h=5.33 m and l=30.0 m, both with negligible uncertainty, and d=0.15 ± 0.03 m. c. d=0.15 m and h=5.33 m, both with negligible uncertainty, and l=30.00 ± 0.04 m.

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