The diameter of internal flue tubes of a Lancashire boiler is about _______ that of it’s shell a. One fourth b. One third c. Two fifth d. One half

The diameter of internal flue tubes of a Lancashire boiler is about _______ that of it’s shell a. One fourth
b. One third
c. Two fifth
d. One half
by

1 Answer

Answer :

c. Two fifth
by

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Type of Lamont boiler is_______ a. Forced circulation b. Natural circulation c. Over-through d. Positive forced circulation

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The phenomenon during which the boiler material becomes brittle due to accumulation of caustic substances is known as ___________ a) Foaming b) Priming c) Corrosion d) Caustic embrittlement

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Which of the following option is incorrect about the sludges? a) Sludges are soft, loose and slimy precipitate b) They are non-adherent deposits and can be easily removed c) Formed generally at heated portions of the boiler d) Can be removed by blow down operation

Description : Which of the following option is incorrect about the sludges? a) Sludges are soft, loose and slimy precipitate b) They are non-adherent deposits and can be easily removed c) Formed generally at heated portions of the boiler d) Can be removed by blow down operation

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Which of the following is not a result of the excess of impurity in boiler-feed. a) Scale and sludge formation b) Decomposition c) Corrosion, priming and foaming d) Caustic embrittlement

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The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. (A) Equal to (B) Less than (C) Higher than (D) None of these

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The relative heat absorption for successively added equal areas of boiler convection heating surfaces__________ (A) Increases (B) Decreases (C) Remain unaffected (D) First increases and then decreases

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Which of the following is the combustion accessory of a boiler? • Fuel oil system • Gas system • Coal system • All of the above

Description : Which of the following is the combustion accessory of a boiler? • Fuel oil system • Gas system • Coal system • All of the above

Last Answer : • All of the above

Which of the following is not a type of boiler? • Fire tube boiler • Water tube boiler • Cast iron boiler • Hot water boiler

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A boiler or steam generator is a device used to create steam by applying heat energy to _____. • Water • Petrol • Oil • All of the above

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Last Answer : • Water

Once the condensate reaches the _____ , it becomes available to the boiler for recycling. • Condenser • Turbine • Boiler • Generator

Description : Once the condensate reaches the _____ , it becomes available to the boiler for recycling. • Condenser • Turbine • Boiler • Generator

Last Answer : • Boiler

If the water level inside the boiler were not carefully control cased… a) explosion b) overheat and fail c) both a) & b) d) None of above

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Water that is fed back to the boiler by the pump is called? a. Absorber b. Absolute c. Compressor d. Condensate

Description : Water that is fed back to the boiler by the pump is called? a. Absorber b. Absolute c. Compressor d. Condensate

Last Answer : d. Condensate