Engineering Thermodynamics Change in enthalpy of a system is the heat supplied at Constant pressure Constant entropy Constant volume Constant temperature Constant pressure Constant entropy Constant volume Constant temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Process is executed in closed system cycle Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Sum of heat and work transfer will be zero Process is executed in closed system cycle Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Sum of heat and work transfer will be zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat energy stored in the gas and used for raising the temperature of the gas is known as External energy Kinetic energy Internal energy Molecular energy External energy Kinetic energy Internal energy Molecular energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Isothermal and adiabatic Throttling Free expansion Constant volume and constant pressure Isothermal and adiabatic Throttling Free expansion Constant volume and constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle depends upon Temperature limits Pressure ratio Cut-off ratio and compression ratio Compression ratio Temperature limits Pressure ratio Cut-off ratio and compression ratio Compression ratio ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS