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Mechanical Engineering · all questions

Steam Boilers, Engines, Nozzles And Turbines
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Superheating of steam is done at

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The action of steam in a steam turbine is

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The best suited coal for chain or traveling grate stoker boiler is

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The principal function of a stop valve is to

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Which is not correct statement about effect of sulphur in fuel?

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A valve installed between the boiler and the feed pump is

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The friction present between the steam and the nozzle surfaces reduces the heat drop by

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In a boiler, the heat is lost

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Duplex feed pumps are used in small steam boilers. These operate on the principle of

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The reheat factor is the ratio of the

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The diagram factor is the ratio of the

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Sublimation region is the region where

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In reaction turbines, the axial thrust is due to

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In a nozzle, whole frictional loss is assumed to occur between

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Water tube boilers are

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Fire tube boilers are

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The feed check valve is used in order to

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

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

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An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.

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