Mechanical Engineering MCQs

A. Heat and work
B. Heat, work and properties of the system
C. Various properties of the system
D. Various thermodynamic processes

A. Work done by a system is equal to heat transferred by the system
B. Total internal energy of a system during a process remains constant
C. Internal energy, enthalpy and entropy during a process remain constant
D. Total energy of a system remains constant

A. Maximum
B. Minimum
C. Zero
D. Unpredictable

A. Increase higher temperature
B. Decrease higher temperature
C. Increase lower temperature
D. Decrease lower temperature

A. 4.17m3/kgmol
B. 400 m3/kg mol
C. 0.15 m3/kg mol
D. 41.7 m3/kg mol

A. Zero
B. Minimum
D. Maximum
D. Infinity

A. Isothermal
B. Adiabatic
C. Throttling
D. All of the above

A. Free expansion
B. Hyperbolic expansion
C. Adiabatic expansion
D. Parabolic expansion

A. free expansion
B. hyperbolic expansion
C. adiabatic expansion
D. parabolic expansion

A. Any gas
B. Saturated steam
C. Water
D. Perfect gas