Steam Boilers and Engines MCQ with Answers

Steam Boilers and Engines MCQ with Answers

136) The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called

Answer is:

induced draught

137) The Locomotive boiler has

Answer is:

157 fire tubes and 24 superheated tubes

138) The shell of the Cochran boiler is made hemispherical

Answer is:

to give maximum space and strength and to withstand the pressure of steam inside the boiler

139) A __________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

Answer is:

fusible plug

140) Willian's law holds good for throttle-governed engine, but not for cut-off governed engine.

Answer is:

Right

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