Engineering Thermodynamics On weight basis, air contains following parts of oxygen 25 21 73 23 25 21 73 23 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Neither temperature nor pressure will increase Its pressure will increase Its temperature will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its pressure will increase Its temperature will increase Both temperature and pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Extensive property of a system is one whose value Depends on the mass of the system like volume Is dependent on the path followed and not on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is not dependent on the path followed but on the state Depends on the mass of the system like volume Is dependent on the path followed and not on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is not dependent on the path followed but on the state 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 Temperature 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 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 654°C 108°C 327°C 54°C 654°C 108°C 327°C 54°C ANSWER DOWNLOAD EXAMIANS APP