Engineering Thermodynamics The condition for the reversibility of a cycle is 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 All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free 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 All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The first law of thermodynamics is the law of Conservation of heat Conservation of mass Conservation of energy Conservation of momentum Conservation of heat Conservation of mass Conservation of energy Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 287 J/kgK 28.7 J/kgK 2.87 J/kgK 0.287 J/kgK 287 J/kgK 28.7 J/kgK 2.87 J/kgK 0.287 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Feasible Possible, but with lot of sophistications Impossible Possible Feasible Possible, but with lot of sophistications Impossible Possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is an irreversible cycle? Ericsson Stirling None of these Carnot Ericsson Stirling None of these Carnot ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle depends upon Temperature limits Compression ratio Cut-off ratio and compression ratio Pressure ratio Temperature limits Compression ratio Cut-off ratio and compression ratio Pressure ratio ANSWER DOWNLOAD EXAMIANS APP