Engineering, 25.10.2019 03:43 clipsyden
A1-m3 tank containing air at 10°c and 350 kpa is connected through a valve to another tank containing 3 kg of air at 35°c and 150 kpa. now the valve is opened, and the entire system is allowed to reach thermal equilibrium with the surroundings, which are at 19.5°c. determine the volume of the second tank and the final equilibrium pressure of air. the gas constant of air is r = 0.287 kpa·m3/kg·k.
Answers: 3
Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
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Engineering, 04.07.2019 18:10
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
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Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
A1-m3 tank containing air at 10°c and 350 kpa is connected through a valve to another tank containin...
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