- (A) boiler drum
- (B) superheater tubes
- (C) economiser
- (D) a separate coil
- (E) a separate coil located in convection path
Mechanical Engineering Mcqs
- (A) higher value
- (B) lower value
- (C) same value
- (D) any value
- (E) none of the above
- (A) more
- (B) less
- (C) equal
- (D) may be more or less depending on capacity of reheater
- (E) none of the above
- (A) from a metal wall from one medium to another
- (B) from heating an intermediateanaterial and then heating the air from this material
- (C) by direct mixing
- (D) heat is transferred by bleeding some gas from furnace
- (E) none of the above
- (A) water
- (B) dry steam
- (C) wet steam
- (D) super heated steam
- (E) supersaturated steam
- (A) 2 cm
- (B) 6 Cm ,
- (C) 8 cm
- (D) 12 cm
- (E) 15 cm
- (A) provide air around burners for obtaining optimum combustion
- (B) transport and dry the coal
- (C) cool the scanners
- (D) supply air for ignitors
- (E) convert CO (formed in lower zone of furnace) into C02 at higher zone
- (A) various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as per-cents by volume
- (B) various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as per-cents by weight
- (C) fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash
- (D) fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash
- (E) moisture and ash free heating value
- (A) form lumps or masses of coke
- (B) burn freely
- (C) show little or no fusing action
- (D) burn completely
- (E) do not form ash
- (A) provide air around burners for obtaining optimum combustion
- (B) transport and dry the coal
- (C) convert CO (formed in lower zone of furnace) into C02 at higher zone
- (D) air delivered by induced draft fan
- (E) air fed to pulverisers

