Engineering Thermodynamics Which of the following is the correct statement? All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Its temperature will increase Its volume will increase Both temperature and volume will increase Neither temperature not volume will increase Its temperature will increase Its volume will increase Both temperature and volume will increase Neither temperature not volume will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Dalton's law, the total pressure of the mixture of gases is equal to Average of the partial pressures of all Sum of the partial pressures of all divided by average molecular weight Greater of the partial pressures of all Sum of the partial pressures of all Average of the partial pressures of all Sum of the partial pressures of all divided by average molecular weight Greater of the partial pressures of all Sum of the partial pressures of all ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 700° to 900°C 900° to 1100°C 300° to 500°C 500° to 700°C 700° to 900°C 900° to 1100°C 300° to 500°C 500° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 1.45 1 2.3 1.4 1.45 1 2.3 1.4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 83.14 J/kmol °K 848 J/kmol °K 735 J/kmol °K 29.27 J/kmol °K 83.14 J/kmol °K 848 J/kmol °K 735 J/kmol °K 29.27 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
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