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Mechanical Engineering · all questions

Steam Boilers, Engines, Nozzles And Turbines
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In a Tandem type compound engine, the high pressure and low pressure cylinders

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In a receiver type compound engine, the high pressure and low pressure cylinders

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In a Woolf type compound engine, the high pressure and low pressure cylinders

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The specific volume of steam with increase in pressure decreases

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The saturation temperature of steam with increase in pressure increases

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The difference of supersaturated temperature and saturation temperature at that pressure is called

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The high pressure boiler is one, which produces steam at a pressure more than

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Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler

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The safety valve on boiler drum compared to safety valve on superheater is set at

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The crown of the fire box is made hemispherical in order to

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The critical pressure ratio is given by (where p1 = Initial pressure of steam and p2 = Pressure of steam at throat or critical pressure)

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The discharge is __________ at critical pressure.

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Fire tube boilers are limited to a maximum working pressure of

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Fire tube boilers are limited to a maximum design working pressure of

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The ratio of heat utilized to produce steam and the heat liberated in furnace is known as

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In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will

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When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as

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In a reaction turbine when the degree of reaction is zero, then there is

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In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p2) will be

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The water tubes in a simple vertical boiler are

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