Q. The rotary compressors are suitable for large discharge of air at low pressure.

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Q. The stagnation pressure rise in a centrifugal compressor takes place

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Q. The total heat rejected in a reciprocating air compressor is equal to the sum of the heat rejected during polytropic compression per kg of air and heat rejected in the intercooler per kg of air.

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Q. In a jet propulsion

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Q. An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.

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Q. Which of the following statement is correct?

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Q. In the aircraft propellers

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Q. The type of rotary compressor used in gas turbines, is of

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Q. The volume of air delivered by the compressor is called

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Q. The efficiency of a jet engine is higher at

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Q. The actual volume of air delivered by a compressor, When reduced to the normal temperature and pressure conditions is called compressor capacity.

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Q. The compression ratio in a gas turbine is

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Q. Intercooling in compressors results in saving of power in compressing given volume of air to a given pressure.

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Q. Only rocket engines can be propelled to space because

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Q. The maximum combustion pressure in gas turbine is __________ as compared to I.C. engine.

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Q. Intercooling in multi-stage compressors is done

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Q. For a two stage reciprocating compressor, compression from p1 to p3 is with perfect intercooling and no pressure losses. If compression in both the cylinders follows the same polytropic process and the atmospheric pressure is pa, then the intermediate pressure p2 is given by

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Q. The ratio of workdone per cycle to the stroke volume of the compressor is known as

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Q. The clearance volume in the compressor is kept minimum because it effects on volumetric efficiency.

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Q. The inlet pressure is always __________ the discharge pressure.

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