Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Heat rejected Either heat absorbed or heat rejected Heat absorbed None of the listed here Heat rejected Either heat absorbed or heat rejected Heat absorbed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is Unrestricted expansion Heat transfer with a finite temperature difference Mechanical and fluid friction All of these Unrestricted expansion Heat transfer with a finite temperature difference Mechanical and fluid friction All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to 1 ∝ γ 1 ∝ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in an adiabatic process between a given pair of end states depends on The value of index ‘n’ Particular adiabatic process The end states only The value of heat transferred The value of index ‘n’ Particular adiabatic process The end states only The value of heat transferred ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
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