Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of

  • AHigher effectiveness of boiler
  • BHigh calorific value coal being burnt
  • CFouling of heat transfer surfaces
  • DRaising of steam temperature
Correct Answer : (C)

Fouling of heat transfer surfaces

Hints :

Locomotive boiler is of the following type


In a uniflow engine

Join The Discussion