- (A) Hygroscopic substances
- (B) water vapour in air
- (C) temperature of air
- (D) pressure of air
- (E) density measurement
Mechanical Engineering Mcqs
- (A) lowers the boiling point of a liquid
- (B) raises the boiling point of a liquid
- (C) .does not affect the boiling point of a liquid
- (D) reduces its volume
- (E) none of the above
- (A) and its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm2
- (B) and its corresponding conversion into dry steam at desired boiler pressure
- (C) conversion into steam at atmospheric condition
- (D) conversion into steam at the same pres-sure at which feed water is supplied
- (E) none of the above
- (A) equals that of the surroundings
- (B) equals 760 mm of mercury
- (C) equals to atmospheric pressure
- (D) equals the pressure of water in the container
- (E) boiling has ^nothing to do with vapour pressure
- (A) pressure alone
- (B) temperature alone
- (C) pressure and temperature
- (D) pressure and dryness fraction
- (E) dryness fraction alone
- (A) volume
- (B) pressure
- (C) entropy
- (D) enthalpy
- (E) none of the above
- (A) 40%
- (B) 25%
- (C) 50%
- (D) 80%
- (E) 90%
- (A) maximum
- (B) minimum
- (C) zero
- (D) depends on temperature also
- (E) none of the above
- (A) 539 kcal/kg
- (B) 539 BTU/lb
- (C) 427 kcal/kg
- (D) 100 kcal/kg
- (E) 471 kcal/kg
- (A) locomotive boiler
- (B) Babcock and Wilcox boiler
- (C) Stirling boiler.
- (D) all of the above
- (E) none of the above
