Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 30 kJ 114 kJ 54 kJ 84 kJ 30 kJ 114 kJ 54 kJ 84 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can be transferred from low temperature to high temperature source if COP of process is more than unity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of a gas turbine plant is given by (Net work output)/(Heat supplied) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) (Net work output)/(Heat supplied) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Decreasing the highest temperature Increasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature Decreasing the highest temperature Increasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the temperature of the working substance remains constant during its expansion or compression, is called Hyperbolic process Adiabatic process Polytropic process Isothermal process Hyperbolic process Adiabatic process Polytropic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Heat absorbed Heat rejected None of the listed here Either heat absorbed or heat rejected Heat absorbed Heat rejected None of the listed here Either heat absorbed or heat rejected ANSWER DOWNLOAD EXAMIANS APP
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