Engineering, 21.08.2019 22:10 jwbri
An ideal otto cycle has a compression ratio of 15.8, takes in air at 105 kpa and 24°c, and is repeated 900 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 331 kw of power.
Answers: 3
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
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 12:10
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Burgers vector is generally parallel to the dislocation line. a)-true b)-false
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An ideal otto cycle has a compression ratio of 15.8, takes in air at 105 kpa and 24°c, and is repeat...
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