Prob 1. A piston weighs 4.3 kgs and has a cross sectional area of 450 mm2. Determine the pressure that is exerted by this piston on the gas in the chamber, as shown in the figure. Assume gravitational acceleration 'g' to be 9.81 m/sec?. Piston Gas

Refrigeration and Air Conditioning Technology (MindTap Course List)
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Chapter2: Matter And Energy
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THERMODYNAMICS
Prob 1.
A piston weighs 4.3 kgs and has a cross sectional area of
450 mm2. Determine the pressure that is exerted by this
piston on the gas in the chamber, as shown in the figure.
Assume gravitational acceleration 'g' to be 9.81 m/sec?.
Piston
Gas
Prob 2.
Find the mass of air in a closed chamber measuring
35 ft x 20 ft x 10 ft, when the pressure is 17 Ib/in? and
the temperature is 75°F. Assume air to be an ideal gas.
Transcribed Image Text:THERMODYNAMICS Prob 1. A piston weighs 4.3 kgs and has a cross sectional area of 450 mm2. Determine the pressure that is exerted by this piston on the gas in the chamber, as shown in the figure. Assume gravitational acceleration 'g' to be 9.81 m/sec?. Piston Gas Prob 2. Find the mass of air in a closed chamber measuring 35 ft x 20 ft x 10 ft, when the pressure is 17 Ib/in? and the temperature is 75°F. Assume air to be an ideal gas.
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