Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Process is executed in closed system cycle Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Process is executed in closed system cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following items is not a path function? Heat Kinetic energy Work Thermal conductivity Heat Kinetic energy Work Thermal conductivity 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 1000 K 1400 K 800 K 1200 K 1000 K 1400 K 800 K 1200 K ANSWER DOWNLOAD EXAMIANS APP
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 84 kJ 114 kJ 54 kJ 30 kJ 84 kJ 114 kJ 54 kJ 30 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A heat exchange process in which the product of pressure and volume remains constant is known as Throttling process Heat exchange process Isentropic process Hyperbolic process Throttling process Heat exchange process Isentropic process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The calorific value of gaseous fuel is expressed in kJ kJ/m3 kJ/kg kJ/m2 kJ kJ/m3 kJ/kg kJ/m2 ANSWER DOWNLOAD EXAMIANS APP
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