Mechanical Engineering Mcqs
Which law states that the internal energy of a gas is a function of temperature__________________?

A. Charles’ law
B. Joule’s law
C. Regnault’s law
D. Boyle’s law

Intensive property of a system is one whose value____________________?

A. Depends on the mass of the system, like volume
B. Does not depend on the mass of the system, like temperature, pressure, etc
C. Is not dependent on the path followed but on the state
D. Is dependent on the path followed and not on the state

Superheated vapour behaves___________________?

A. Exactly as gas
B. As steam
C. As ordinary vapour
D. Approximately as a gas

No liquid can exist as liquid at____________________?

A. – 273 °k
B. Vacuum
C. Zero pressure
D. Centre of earth

According to kinetic theory of gases, the absolute zero temperature is attained when___________________?

A. Volume of the gas is zero
B. Pressure of the gas is zero
C. Kinetic energy of the molecules is zero
D. Specific heat of gas is zero