Engineering Thermodynamics In a free expansion process Work done is zero Work done is zero but heat increases Both (A) and (B) above Heat transfer is zero Work done is zero Work done is zero but heat increases Both (A) and (B) above Heat transfer is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Pressure Temperature Internal energy Volume Pressure Temperature Internal energy Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of 22.4 liters 2.24 liters 224 liters 0.224 liters 22.4 liters 2.24 liters 224 liters 0.224 liters ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of dual combustion cycle is Less than Diesel cycle Less than Diesel cycle and greater than Otto cycle Greater than Diesel cycle Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle Less than Diesel cycle and greater than Otto cycle Greater than Diesel cycle Greater than Diesel cycle and less than Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is 54°C 108°C 654°C 327°C 54°C 108°C 654°C 327°C ANSWER DOWNLOAD EXAMIANS APP