Q. The formation of scale boiler leads to _________

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Q. What is the pH value of water permissible for boiler?

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Q. Which device used to separate condensate from the steam without letting steam escape?

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Q. What is the disadvantage of natural draught?

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Q. The natural draught in the steam generator depends upon _________

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Q. What is the purpose of super heater in a boiler?

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Q. How is the natural draught produced for exhaust gases?

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Q. What is the purpose of using economizer in the boiler?

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Q. Comparing fire tube and water tube boilers, which boiler can produce comparatively higher pressure steam than another for the same capacity?

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Q. The boiler in which the tubes are surrounded by hot gases is called ___________

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Q. Which of these is not a type of steam generator depending upon the kind of applications?

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Q. What is the critical pressure of steam in a utility steam generator?

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Q. Which of the following are drumless once-through steam generators?

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Q. The subcritical steam generators operate between a pressure ranges of ___________

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Q. The supercritical steam generators operate at a pressure range of ___________

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Q. Industrial steam generators operate in a pressure range of ___________

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Q. Industrial steam generators operate at a steam capacity of ___________

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Q. Marine steam generators are ___________ fired.

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Q. What is the pressure range between which a marine steam generator works?

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Q. In a fire-tube boiler, the water is in ___________

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