In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from T₁ to T₂ at a constant pressure.

Compressors, Gas Turbines and Jet Engines
In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from T₁ to T₂ at a constant pressure.

Less than

None of these

Equal to

Greater than

Less than

None of these

Equal to

Greater than

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Compressors, Gas Turbines and Jet Engines
Water gas is produced by

Passing air and a large amount of steam over waste coal at about 65°C

Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast

Passing steam over incandescent coke

Carbonisation of coal

Passing air and a large amount of steam over waste coal at about 65°C

Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast

Passing steam over incandescent coke

Carbonisation of coal

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Compressors, Gas Turbines and Jet Engines
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

0.048611111111111

0.045138888888889

0.043055555555556

0.00070833333333333

0.048611111111111

0.045138888888889

0.043055555555556

0.00070833333333333

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

Parallel

Inclined

Perpendicular

None of these

Parallel

Inclined

Perpendicular

None of these

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at

Impeller inlet radius

Impeller outlet radius

Diffuser outlet radius

Diffuser inlet radius

Impeller inlet radius

Impeller outlet radius

Diffuser outlet radius

Diffuser inlet radius

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Compressors, Gas Turbines and Jet Engines
Maximum delivery pressure is a rotary air compressor is of the order of

16 kg/cm²

25 kg/cm²

6 kg/cm²

10 kg/cm²

16 kg/cm²

25 kg/cm²

6 kg/cm²

10 kg/cm²

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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from T₁ to T₂ at a constant pressure.

Compressors, Gas Turbines and Jet Engines Water gas is produced by

Compressors, Gas Turbines and Jet Engines The maximum compression ratio in an actual single stage axial flow compressor is of the order of

Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at

Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of

Compressors, Gas Turbines and Jet Engines
In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from T₁ to T₂ at a constant pressure.

Compressors, Gas Turbines and Jet Engines
Water gas is produced by

Compressors, Gas Turbines and Jet Engines
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at

Compressors, Gas Turbines and Jet Engines
Maximum delivery pressure is a rotary air compressor is of the order of