Engineering, 22.02.2021 21:40 elizavlsc4
- A simple Rankine cycle uses water as the working fluid. The boiler operates at 8 MPa and the condenser at 7.5 kPa. At the entrance to the turbine, the temperature is 560oC. The isentropic efficiency of the turbine is 88 percent. Pressure and pump losses are negligible. Determine the heat added in the boiler per unit mass, the net work produced by the cycle per unit mass, and the thermal efficiency.
Answers: 3
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 03.07.2019 15:10
If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.
Answers: 1
Engineering, 04.07.2019 18:10
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
Engineering, 04.07.2019 18:10
The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length
Answers: 2
- A simple Rankine cycle uses water as the working fluid. The boiler operates at 8 MPa and the conde...
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