Engineering Thermodynamics In a Carnot cycle, heat is transferred at Constant volume Constant enthalpy Constant temperature Constant pressure Constant volume Constant enthalpy Constant temperature Constant pressure 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) mR (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) mcv (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics General gas equation is PV = C PV=nRT PV=mRT PV=KiRT PV = C PV=nRT PV=mRT PV=KiRT ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Discourages thermal interaction Prevents thermal interaction Encourages thermal interaction Permits thermal interaction Discourages thermal interaction Prevents thermal interaction Encourages thermal interaction Permits thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off Increases Decreases First decreases and then increases First increases and then decreases Increases Decreases First decreases and then increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The working parts of the engine must be friction free All of these All the processes, taking place in the cycle of operation, must be extremely slow The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All of these All the processes, taking place in the cycle of operation, must be extremely slow The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process ANSWER DOWNLOAD EXAMIANS APP