Engineering, 30.08.2019 00:10 tahmidtaj150
At the beginning of compression in an air-standard diesel cycle, p1 = 770 kpa, v1 = 0.016 m3, and t1 = 315 k. the compression ratio is 15 and the maximum cycle temperature is 1400 k. determine (a) the mass of air, in kg. (b) the heat addition and heat rejection per cycle, each in kj. (c) the net work, in kj, and the thermal efficiency.
Answers: 1
Engineering, 04.07.2019 18:10
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Engineering, 04.07.2019 18:10
The flow rate of air through a through a pipe is 0.02 m5/s. a pitot static tube is placed in the flow. the radius of the pitot static tube is 1 mm. assuming the flow to be steady and the air to be at 300k, calculate the difference in total and static pressure if the diameter of the pipe is: (a) d 0.1 m d 0.05 m (c) d 0.01 m
Answers: 2
Engineering, 04.07.2019 18:20
Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options
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Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
At the beginning of compression in an air-standard diesel cycle, p1 = 770 kpa, v1 = 0.016 m3, and t1...
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