Steam Boilers and Engines MCQ with Answers

Steam Boilers and Engines MCQ with Answers

16) A device used to increase the temperature of saturated steam without raising its pressure, is called

Answer is:

superheater

17) The diameter of flue tube in a Cornish boiler is __________ that of the shell.

Answer is:

three-fifth

18) An economiser __________ the steam raising capacity of a boiler.

Answer is:

increases

An economiser __________ the steam raising capacity of a boiler.

19) Fire tube boilers are

Answer is:

internally fired

20) A safety valve usually employed with stationary boilers is

Answer is:

all of these

Explanation:

A safety valve usually employed with stationary boilers is
* lever safety valve
* dead weight safety valve
* high steam and low water safety valve

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