- (A) induced draft fan and chimney
- (B) induced draft fan and forced draft fan
- (C) forced draft fan and chimney
- (D) any one of the above
- (E) none of the above
Mechanical Engineering Mcqs
- (A) kg of steam produced
- (B) steam pressure produced
- (C) kg of fuel fired
- (D) kg of steam produced per kg of fuel fifed
- (E) kg of water evaporated
- (A) better burning
- (B) more calorific value
- (C) less radiation loss
- (D) medium sized units
- (E) stoker fired boilers
- (A) smoky chimney exit
- (B) excess air in flue gases
- (C) measuring carbon mono-oxide in flue gases
- (D) measuring temperature of flue gases at exit of furnace
- (E) measuring oxygen in flue gases
- (A) (1- moisture content)
- (B) (1 + moisture content)
- (C) 1 + moisture content
- (D) 1 – moisture content
- (A) supply of excess, air
- (B) supply of excess coal
- (C) burning CO and unburnts in upper zone of furnace by supplying more air
- (D) fuel bed firing
- (E) none of the above
- (A) cavitation of .boiler feed pumps
- (B) corrosion caused by oxygen
- (C) heat transfer coefficient
- (D) pH value of water
- (E) weight of water to be handled
- (A) increases
- (B) decreases
- (C) remains unaffected
- (D) first increases and then decreases
- (E) first decreases and then increases
- (A) increases
- (B) decreases
- (C) remains constant
- (D) may increase or decrease depending upon the method of storage
- (E) none of the above
- (A) very low pressure
- (B) atmospheric pressures
- (C) medium pressures
- (D) very high pressures
- (E) none of the above
