Card 31 / 41: Consider steam flowing at 100 ft3/min in a 4 inch diameter pipe. The inlet temperature of the steam is 400 F. The inlet pressure of the steam to the pipe is 50 psia. The pipe is well insulated. The surface roughness of the pipe given by e/D = 0.01. Which of the following most closely represents the pressure drop of the steam over a 40 m section of the pipe?
A)
40 psi
B)
0.4 atm
C)
400 Pa
D)
4 Pa
Answer:
B) 0.4 atm
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