FUNDAMENTALS OF THERMODYNAMICS
10th Edition
ISBN: 9781119634928
Author: Borgnakke
Publisher: WILEY
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Chapter 1, Problem 1.83EP
The main waterline into a tall building has a pressure of 90 psia at 16 ft elevation below ground level. How much extra pressure does a pump need to add to ensure a waterline pressure of 30 psia at the top floor 40 ft above ground?
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Find the pressure at 13 KM in standard atmospheric conditions.
Find the specific volume of air having 90F and 15 psi condition(Answer must be in ft^3/lb).
The water level in a tank is 34 ft above the ground. A hose is connected to the bottom of the tank at the ground level and the nozzle at the end of the hose is pointed straight up. The tank cover is airtight, but the pressure over the water surface is unkown. Determine the minimum tank air pressure (gage) that will cause a water stream from the nozzle to rise 72 ft from the ground. (WITH FREE BODY DIAGRAM)
CHOICES:
A.16.5 psi
B.15.5 psi
C.13.5 psi
D.14.4 psi
Chapter 1 Solutions
FUNDAMENTALS OF THERMODYNAMICS
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