Steam boiler | Steam boiler Objective Type Questions and answers

31. Then biggest loss in the boiler is.....

   A.Moisture in fuel

   B.Dry in flue gases

   C.Steam formation

   D.Unburnt carbon

32. The ratio of heat actually used in producing the steam to the heat liberated in the furnace is called......

   A.Steam efficiency

   B.Boiler efficiency

   C.Evaporation capacity of a boiler

   D.None of the above

33. The draught in locomotive boilers is produced by a ........

   A.Chimney

   B.Centrifugal fan

   C.Steam jet

   D.All of the above

34. The draught may be produced by a ........

   A.Chimney

   B.Mechanical fan

   C.Steam jet

   D.All of the above

35. The mechanical draught produces......draught than natural draught

   A.More

   B.Less

   C.Equal

   D.None of the above

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