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 Entropy change depends on Change of temperature Thermodynamic state Heat transfer Mass transfer Change of temperature Thermodynamic state Heat transfer Mass transfer ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Rankine Brayton Carnot Stirling Rankine Brayton Carnot Stirling ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon requires 4/3 kg of oxygen and produces ________ kg of carbon monoxide gas. 44046 44015 44142 44138 44046 44015 44142 44138 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature. Charle's law Joule's law Boyle's law Gay-Lussac law Charle's law Joule's law Boyle's law Gay-Lussac law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are All of these Temperature of the gas Volume occupied by the gas Pressure exerted by the gas All of these Temperature of the gas Volume occupied by the gas Pressure exerted by the gas ANSWER DOWNLOAD EXAMIANS APP