- (A) constant pressure
- (B) constant temperature
- (C) constant volume
- (D) constant entropy
- (E) N.T.P. condition
Mechanical Engineering Mcqs
- (A) Temperature of medium being cooled must be below that of the evaporator
- (B) Refrigerant leaves the condenser as liquid
- (C) All solar thermally operated absorption systems are capable only of intermittent operation
- (D) frost on evaporator reduces heat transfer
- (E) refrigerant is circulated in a refrigeration system to transfer heat
- (A) the tangent of the angle of friction is equal to coefficient of friction
- (B) the angle of repose is equal to angle of friction
- (C) the tangent of the angle of repose is equal to coefficient of friction
- (D) the sine of the angle of repose is equal to coefficient to friction
- (E) none of the above
- (A) volume
- (B) pressure
- (C) temperature
- (D) enthalpy
- (E) entropy
- (A) 54°C
- (B) 327°C
- (C) 108°C
- (D) 654°C
- (E) 600°C
- (A) reversible process
- (B) isothermal process
- (C) adiabatic process
- (D) irreversible process
- (E) free expansion process
- (A) free expansion or friction resisted expansion/compression process should not be encountered
- (B) when heat is being absorbed, temperature of hot source and working sub¬stance should be same
- (C) when beat is being rejected, temperature of cold source and working sub-stance should be same
- (D) all of the above
- (E) none of the above
- (A) throttling
- (B) free expansion
- (C) constant volume and constant pressure
- (D) hyperbolic and pV = C
- (E) isothermal and adiabatic
- (A) temperature
- (B) pressure
- (C) both pressure and temperature
- (D) variation of its constituents
- (E) air flow
- (A) 29.27 J/kmol°K
- (B) 83.14J/kmol°K
- (C) 848J/kmol°K
- (D) All J/kmol °K
- (E) 735 J/kmol °K
