Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive Positive or negative None of these Negative Positive Positive or negative None of these Negative 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 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 Maximum temperature is higher Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Increase/decrease depending on application Remain unchanged Increase Decrease Increase/decrease depending on application Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process All of the listed here There is no change in internal energy There is no change in temperature There is no change in enthalpy All of the listed here There is no change in internal energy There is no change in temperature There is no change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The energy of molecular motion appears as Heat Friction Potential energy Surface tension Heat Friction Potential energy Surface tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A heat exchange process in which the product of pressure and volume remains constant is known as Heat exchange process Isentropic process Hyperbolic process Throttling process Heat exchange process Isentropic process Hyperbolic process Throttling process ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS