Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Zero Maximum Minimum Infinity Zero Maximum Minimum Infinity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an irreversible process, there is a Loss of heat No loss of heat No gain of heat Gain of heat Loss of heat No loss of heat No gain of heat Gain of heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 0.287 J/kgK 28.7 J/kgK 2.87 J/kgK 287 J/kgK 0.287 J/kgK 28.7 J/kgK 2.87 J/kgK 287 J/kgK 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 30 kJ 114 kJ 54 kJ 84 kJ 30 kJ 114 kJ 54 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During throttling process Heat exchange does not take place All of these No work is done by expanding steam There is no change of internal energy of steam Heat exchange does not take place All of these No work is done by expanding steam There is no change of internal energy of steam ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS