Engineering Thermodynamics The condition for the reversibility of a cycle is 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 the processes, taking place in the cycle of operation, must be extremely slow All of these 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 the processes, taking place in the cycle of operation, must be extremely slow All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's law, for a given pressure and temperature, each molecule of a gas Occupies same volume Occupies volume proportional to its specific weight Occupies volume inversely proportional to its specific weight Occupies volume inversely proportional to its molecular weight Occupies same volume Occupies volume proportional to its specific weight Occupies volume inversely proportional to its specific weight Occupies volume inversely proportional to its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Volume compression ratio Pressure ratio Cut-off ratio and compression ratio Temperature limits Volume compression ratio Pressure ratio Cut-off ratio and compression ratio Temperature limits ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following laws is applicable for the behaviour of a perfect gas? Boyle's law Gay Lussac’s law All of these Charles ‘law Boyle's law Gay Lussac’s law All of these Charles ‘law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a Carnot engine depends on Temperatures of source and sink Design of engine Size of engine Working substance Temperatures of source and sink Design of engine Size of engine Working substance ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can ANSWER DOWNLOAD EXAMIANS APP
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