Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase higher temperature Increase lower temperature Decrease higher temperature Decrease lower temperature Increase higher temperature Increase lower temperature Decrease higher temperature Decrease lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure will be When molecular momentum of the system becomes zero At sea level At the center of the earth At the temperature of - 273 K When molecular momentum of the system becomes zero At sea level At the center of the earth At the temperature of - 273 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In S. I. units, the value of the universal gas constant is 8314 J/kg mole-K 83.14 J/kg mole-K 831.4 J/kg mole-K 8.314 J/kg mole-K 8314 J/kg mole-K 83.14 J/kg mole-K 831.4 J/kg mole-K 8.314 J/kg mole-K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of molar specific heats for mono-atomic gas is 1.67 1.87 1.4 1 1.67 1.87 1.4 1 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 Combustion is at constant volume 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Isothermal process Irreversible process Reversible process Adiabatic process Isothermal process Irreversible process Reversible process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP