Engineering Thermodynamics A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as Otto cycle Stirling cycle Carnot cycle Diesel cycle Otto cycle Stirling cycle Carnot cycle Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Absolute temperature, if volume is kept constant Volume, if temperature is kept constant None of these Temperature Absolute temperature, if volume is kept constant Volume, if temperature is kept constant None of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An ideal gas as compared to a real gas at very high pressure occupies Less volume More volume Same volume Unpredictable behavior Less volume More volume Same volume Unpredictable behavior ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected) dQ = ds/T None of the listed here δQ = T.ds δQ = T/ds dQ = ds/T None of the listed here δQ = T.ds δQ = T/ds 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
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