Engineering Thermodynamics Change in enthalpy of a system is the heat supplied at Constant pressure Constant temperature Constant entropy Constant volume Constant pressure Constant temperature Constant entropy Constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Throttling Free expansion Isothermal and adiabatic Constant volume and constant pressure Throttling Free expansion Isothermal and adiabatic Constant volume and constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature. Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas. Three-forth Two-third One-half One-third Three-forth Two-third One-half One-third 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 Combustion is at constant volume Maximum temperature is higher Expansion and compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Negative Positive or negative Positive None of these Negative Positive or negative Positive None of these ANSWER DOWNLOAD EXAMIANS APP
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