Q. The free air delivery is the volume of air that can be delivered by a compressor freely.

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Q. The ratio of the discharge pressure to the inlet pressure of air is called

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Q. A regenerator in a gas turbine improves thermal efficiency.

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Q. The velocity of air entering in a rocket is __________ as compared to an aircraft.

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Q. A compressor mostly used for supercharging of I.C. engines is

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Q. The workdone on a compressor will be minimum if air is taken from

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Q. In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into

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Q. The multi-stage compression ofair as compared to single stage compression

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Q. Which one of the following is the effect of blade shape on performance of a centrifugal compressor ?

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Q. In a jet engine, the air-fuel ratio is

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Q. Which of the following bladings will give maximum pressure rise in a centrifugal compressor, assuming the same overall dimensions, blade inlet angle and rotational speeds ?

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Q. In an axial flow compressor, the ratio of pressure in theTOtor blades to the pressure rise in the compressor in one stage is known as

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