Engineering, 21.11.2019 21:31 momodagrate
Arefrigerator has a cooling load of 50 kw. it has a cop of 2. it is run by a heat engine which consumes 50 kw of heat to supply the necessary power to the refrigerator. the efficiency of the heat engine is:
Answers: 3
Engineering, 04.07.2019 18:10
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:20
Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero
Answers: 2
Engineering, 04.07.2019 19:10
In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?
Answers: 3
Engineering, 04.07.2019 19:10
Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false
Answers: 3
Arefrigerator has a cooling load of 50 kw. it has a cop of 2. it is run by a heat engine which consu...
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