Steam Boilers and Engines MCQ with Answers

81) The governing of steam engines keep the engine speed constant according to the changing load conditions

Answer is:

Yes

82) A closed vessel made of steel and used for the generation of steam is called a

Answer is:

steam boiler

83) A Tandem type compound engine requires a larger flywheel.

Answer is:

Right

84) An economiser is installed in a boiler primarily to

Answer is:

reduce fuel consumption

An economiser is installed in a boiler primarily to

85) The theoretical indicator diagram of a simple steam engine is based upon the assumption that

Answer is:

all of the above

Explanation:

The theoretical indicator diagram of a simple steam engine is based upon the assumption that
* there is no pressure drop due to condensation
* steam is admitted at boiler pressure and exhausted at condenser pressure
* the expansion (or compression) of the steam is hyperbolic