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 800 K 1400 K 1000 K 1200 K 800 K 1400 K 1000 K 1200 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of Two constant volume and two isothermal processes One constant pressure, one constant volume and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes Two constant volume and two isothermal processes One constant pressure, one constant volume and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes 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 Adiabatic process Isothermal process Polytropic process Hyperbolic process Adiabatic process Isothermal process Polytropic process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Increasing the lowest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the highest temperature Increasing the lowest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the highest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Temperature of a gas is produced due to Surface tension of molecules Kinetic energy of molecules Repulsion of molecules Its heating value Surface tension of molecules Kinetic energy of molecules Repulsion of molecules Its heating value ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An isolated system is one in which Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
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