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 rγ - 1 1 - rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ rγ - 1 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Stirling Brayton Carnot Rankine Stirling Brayton Carnot Rankine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied None of these Increases the internal energy of the gas and increases the temperature of the gas Both (A) and (B) Does some external work during expansion None of these Increases the internal energy of the gas and increases the temperature of the gas Both (A) and (B) Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1400 K 1000 K 1200 K 800 K 1400 K 1000 K 1200 K 800 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as Adiabatic process Hyperbolic process Isothermal process Polytropic process Adiabatic process Hyperbolic process Isothermal process Polytropic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A heat exchange process in which the product of pressure and volume remains constant is known as Hyperbolic process Heat exchange process Isentropic process Throttling process Hyperbolic process Heat exchange process Isentropic process Throttling process ANSWER DOWNLOAD EXAMIANS APP
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