Engineering Thermodynamics The value of cp/cv for air is 1 1.45 2.3 1.4 1 1.45 2.3 1.4 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 One-third One-half Two-third Three-forth One-third One-half Two-third 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 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 All of these The working parts of the engine must be friction free 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle Equal Depends on other factors Less More Equal Depends on other factors Less More ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of 2.24 liters 0.224 liters 224 liters 22.4 liters 2.24 liters 0.224 liters 224 liters 22.4 liters ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas turbine cycle with regenerator improves None of these Thermal efficiency Work ratio Avoid pollution None of these Thermal efficiency Work ratio Avoid pollution ANSWER DOWNLOAD EXAMIANS APP