Q. In water tube boilers

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Q. Which of the following statement is wrong ?

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Q. A grate, in a boiler, is a place in the combustion chamber upon which fuel (wood or coal) is burnt.

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Q. The fire tubes in a Scotch marine boiler are

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Q. In a reciprocating steam engine, the heat energy in the steam is converted into mechanical work by the to and fro motion of the piston.

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Q. The power of a boiler may be defined as

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Q. When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as

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Q. The function of a safety valve is

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Q. An air preheater is installed

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Q. The length of shell of a Locomotive boiler is

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Q. The effect of wire drawing is to decrease the area of indicator diagram and thus work done by the engine is reduced.

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Q. In a uniflow engine

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Q. The shell diameter of a Locomotive boiler is

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Q. A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called

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Q. An economiser is used to increase the temperature of saturated steam without raising its pressure.

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Q. Besides mean effective pressure, the data required to determine the indicated power of an engine include

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Q. The function of a governor is to keep the engine speed uniform at all load conditions.

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Q. The efficiency of the plant __________ with the mechanical draught.

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Q. The governing of steam engines keep the engine speed constant according to the changing load conditions

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Q. A closed vessel made of steel and used for the generation of steam is called a

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