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Mechanical Engineering · all questions

Steam Boilers, Engines, Nozzles And Turbines
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In cross compounding, the cylinders are arranged

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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

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For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be

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

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The clearance in the engine cylinder

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When steam after doing work in the cylinder passes into a condenser, the engine is said to be a

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Relative percentage of heat absorbed through the heat transfer of
(i) Furnace water wall
(ii) Boiler tank
(iii) Superheater
(iv) Economizer
(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

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There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called

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For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has

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'Locomotive type' boiler is

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The critical pressure gives the velocity of steam at the throat

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A regenerative steam cycle renders

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The flow of steam is supersonic

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The equivalent evaporation of a boiler is a measure to compare

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Desecration of feed water is carried out because it reduces

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The velocity of steam at throat of the nozzle is __________ the velocity of sound.

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The friction in the nozzle __________ exit velocity of steam.

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For water, at pressures below atmospheric;

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If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by

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Which of the following statement is correct?

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