Fundamentals Of Engineering Thermodynamics
9th Edition
ISBN: 9781119391388
Author: MORAN, Michael J., SHAPIRO, Howard N., Boettner, Daisie D., Bailey, Margaret B.
Publisher: Wiley,
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Chapter 1, Problem 1.24P
To determine
Determine the magnitude of force F acting on the shaft.
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Figure P1.33 shows a storage tank holding
natural gas. In an adjacent instrument room, a
U-tube mercury manometer in communication
with the storage tank reads L = 1.0 m. If the
atmospheric pressure is 101 kPa, the density
of the mercury is 13.59 g/cm³, and g = 9.81
m/s2, determine the pressure of the natural
gas, in kPa.
Natural gas
Fig. P1.33
Instrument room
1. A certain ideal gas X has molecular weight of 10 g/mol and specific heat ratio
of 2. Initially, X has pressure of 200kPa and volume of 2m3. The pressure was
doubled during heat transfer. Find the heat transfer if it underwent a process
described by (
a. n=infinity
b. n=Cp/Cv
C. n=3
The figure below shows a gas contained in a vertical piston-cylinder assembly. A vertical shaft whose cross-sectional area is O.8 cm?
is attached to the top of the piston. Determine the magnitude, F, of the force acting on the shaft, in N, required if the gas pressure is
3 bar. The masses of the piston and attached shaft are 30 kg and 0.5 kg, respectively. The piston diameter is D = 5 cm. The local
atmospheric pressure is 1 bar. The piston moves smoothly in the cylinder and g = 9.81 m/s?.
- A = 0.8 cm²
Shaft
Piston
Patm = 1 bar
Gas at p = 3 bar
Chapter 1 Solutions
Fundamentals Of Engineering Thermodynamics
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