Steam Boilers and Engines MCQ with Answers

76) Water tube boilers produce steam at a __________ pressure than that of fire tube boilers.

Answer is:

higher

77) The equivalent evaporation is defined as

Answer is:

the amount of water evaporated from and at 100 Degree Centigrade into dry and saturated steam

78) Locomotive boiler is a

Answer is:

multitubular, horizontal, internally fired and mobile boiler

79) The ratio of the __________ to the volume at cut-off is called expansion ratio.

Answer is:

swept volume

Explanation:

The ratio of clearance volume to the swept volume is called clearance ratio.

The ratio of swept volume to the volume at cut-off is called expansion ratio.

The ratio of volume at cut-off to the swept volume is known as cut-off ratio. It is the reciprocal of expansion ratio.

80) In water tube boilers, the water passes through the tubes which are surrounded by flames and hot gases.

Answer is:

76) Water tube boilers produce steam at a __________ pressure than that of fire tube boilers.

higher

77) The equivalent evaporation is defined as

the amount of water evaporated from and at 100 Degree Centigrade into dry and saturated steam

78) Locomotive boiler is a

multitubular, horizontal, internally fired and mobile boiler

79) The ratio of the __________ to the volume at cut-off is called expansion ratio.

swept volume

80) In water tube boilers, the water passes through the tubes which are surrounded by flames and hot gases.

Yes