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The air with enthalpy of 100 kJ/kg is compressed by an air compressor to a enthalpy of 200 kJ/kg. The …
- 274 views
- 1 answers
- 2 votes
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Experimental measurements on a refrigeration system indicate that rate of heat extraction by the evaporator, rate of heat rejection in …
- 257 views
- 1 answers
- 2 votes
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Gas contained in a closed system consisting of piston cylinder arrangement is expanded. Work done by the gas during expansion …
- 273 views
- 1 answers
- 2 votes
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In a steady-flow adiabatic turbine, the changes in the internal energy, enthalpy, kinetic energy and potential energy of the working …
- 243 views
- 1 answers
- 2 votes
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An insulated box containing 0.5 kg of a gas having Cv = 0.98 kJ/kg.K falls from a balloon 4 km …
- 274 views
- 1 answers
- 2 votes
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System undergoes a process during which the heat transfer to the system per degree increase in temperature is given by …
- 263 views
- 1 answers
- 2 votes
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A closed system undergoes a process 1-2 for which the values of Q1-2 and W1-2 are +20 kJ and +50 …
- 286 views
- 1 answers
- 2 votes
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An insulated tank initially contains 0.25 kg of gas with an internal energy of 200 kJ/kg. Additional gas with an …
- 281 views
- 1 answers
- 2 votes
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A fluid flowing along a pipe line undergoes a throttling process from 10 bar to 1 bar is passing through …
- 337 views
- 1 answers
- 2 votes
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Some countries have hypersonic weapon research programs, so is there any country which has developed hypersonic stealth drone?
- 383 views
- 1 answers
- 2 votes