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


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B.Dry flue gases

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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


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B.Boiler efficiency

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


   A.Chimney

   B.Centrifugal fan

   C.Steam jet

   D.All of the above


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C.Steam jet

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


   A.Chimney

   B.Mechanical fan

   C.Steam jet

   D.All of the above


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D.All of the above

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


   A.More

   B.Less

   C.Equal

   D.None of the above


✔ View Answer


A.More

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