A fuel pump is being replaced for the third time. Technician A says that the gasoline could be contaminated. Technician B says that wiring to the pump could be corroded. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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What will be an ideal response?
PROBLEM 2.29
A homogeneous cable of length L and uniform cross section is suspended from one end. (a) Denoting by ? the density (mass per unit volume) of the cable and by E its modulus of elasticity, determine the elongation of the cable due to its own weight. (b) Show that the same elongation would be obtained if the cable were horizontal and if a force equal to half of its weight were applied at each end.
5,873 + 1,907 + 446 =
A) 8,226 B) 8,236 C) 7,216 D) 7,226
Which of the following media can be used in a cryogenic refrigerated unit?
A. R-422D B. R-22 C. liquid nitrogen D. liquid oxygen