Engineering Thermodynamics The efficiency of Diesel cycle increases with Constant cut-off Increase in cut-off Decrease in cut-off None of these Constant cut-off Increase in cut-off Decrease in cut-off None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Internal energy Temperature Volume Pressure Internal energy Temperature Volume Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) V/T = constant, if p is kept constant T/P = constant, if v is kept constant P v = constant, if T is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P v = constant, if T is kept constant P/T = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units) Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU + W1 - 2 ANSWER DOWNLOAD EXAMIANS APP