Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Temperature Enthalpy Internal energy Entropy Temperature Enthalpy Internal energy Entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and mechanical energies are mutually convertible. This statement was established by Joule Charles None of these Boyle Joule Charles None of these Boyle 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 The gas constant (R) is equal to the __________ of two specific heats. Ratio Product Sum Difference Ratio Product Sum Difference 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 Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as None of these Irreversible cycle Thermodynamic cycle Reversible cycle None of these Irreversible cycle Thermodynamic cycle Reversible cycle ANSWER DOWNLOAD EXAMIANS APP