Q. The operation of the reciprocating air motor is similar to reciprocating air compressor.

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Q. In axial flow compressors, the flow of air is parallel to the axis of compressor.

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Q. The ratio of the isothermal power to the shaft power or brake power of the motor or engine required to drive the compressor is called overall isothermal efficiency.

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Q. In a double acting compressor, the air is compressed

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Q. The basic principle of the rocket propulsion is the same as that of jet propulsion.

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Q. In a centrifugal compressor, the flow of air is __________ to the axis of compressor.

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Q. The volume of air delivered in a medium capacity air compressor per unit time is

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Q. In a closed cycle gas turbine, the air is compressed

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Q. In a single stage, single acting reciprocating air compressor, without clearance volume, the workdone is minimum during

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Q. A simple turbo-jet engine is basically a gas turbine engine equipped with a propulsive nozzle and diffuser.

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Q. If the flow of air through the compressor is parallel to its axis, then the compressor is

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Q. The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)

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Q. The speed of rotary air compressor is __________ as compared to reciprocating air compressor.

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Q. When air is to be compressed at a high pressure, then it is advantageous to use

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Q. The absolute pressure of air at the outlet of a compressor is called

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Q. The degree of reaction is usually kept __________ for all types of axial flow compressors.

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Q. A compressor at high altitudes will require __________ power.

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Q. The mean effective pressure of the compressor is the

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Q. The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is

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Q. For minimum work in multi-stage compression, the workdone on all stages should be equal.

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