Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Remains at the same temperature Becomes hotter Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes hotter Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? All of these Pressure Temperature Volume All of these Pressure Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to +ve -ve Zero Anywhere between zero and infinity +ve -ve Zero Anywhere between zero and infinity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as None of the listed here Law of conservation of energy Law of equipartition of energy Law of degradation of energy None of the listed here Law of conservation of energy Law of equipartition of energy Law of degradation of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is All of these Heat transfer with a finite temperature difference Unrestricted expansion Mechanical and fluid friction All of these Heat transfer with a finite temperature difference Unrestricted expansion Mechanical and fluid friction ANSWER DOWNLOAD EXAMIANS APP
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