Engineering Thermodynamics For reversible adiabatic process, change in entropy is Minimum Negative Zero Maximum Minimum Negative Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as None of these Absolute temperature, if volume is kept constant Temperature Volume, if temperature is kept constant None of these Absolute temperature, if volume is kept constant Temperature Volume, if temperature is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase lower temperature Decrease lower temperature Decrease higher temperature Increase higher temperature Increase lower temperature Decrease lower temperature Decrease higher temperature Increase higher temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcp (T2 - T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 + T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes is irreversible process? Throttling Isothermal All of these Adiabatic Throttling Isothermal All of these Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of two specific heats of air is equal to 0.24 0.1 0.17 1.41 0.24 0.1 0.17 1.41 ANSWER DOWNLOAD EXAMIANS APP