Engineering Thermodynamics The processes occurring in open system which permit the transfer of mass to and from the system, are known as None of the listed here Adiabatic processes Flow processes Non-flow processes None of the listed here Adiabatic processes Flow processes Non-flow processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the Difference of two specific heats Sum of two specific heats Product of two specific heats Ratio of two specific heats Difference of two specific heats Sum of two specific heats Product of two specific heats Ratio of two specific heats ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy First increases and then decreases Remain constant Increases Decreases First increases and then decreases Remain constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Maximum temperature is higher Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower Maximum temperature is higher Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied 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 None of these Increases the internal energy of the gas and increases the temperature of the gas Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then 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 Process is executed in closed system cycle ANSWER DOWNLOAD EXAMIANS APP