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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
For speed above 3000 km/hour, it is more advantageous to use

Ramjet engine
Turbojet engine
Propellers
Rockets

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Compressors, Gas Turbines and Jet Engines
The mass of gas turbine per kW developed is about ________ as that of an I.C. engine.

One-half
One fourth
Same
One sixth

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Compressors, Gas Turbines and Jet Engines
Pick up the wrong statement about advantages of multistage compression

Mechanical balance is better
Better lubrication is possible advantages of multistage
Air can be cooled perfectly in between
More loss of air due to leakage past the cylinder

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Compressors, Gas Turbines and Jet Engines
Separators in compressor installations are located

After receiver
Between after-cooler and air receiver
Before inter-cooler
After inter-cooler

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Compressors, Gas Turbines and Jet Engines
The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

Isothermal efficiency
Mechanical efficiency
Compressor efficiency
Volumetric efficiency

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Compressors, Gas Turbines and Jet Engines
A 3 m³/min compressor means that it

Delivers 3 m³/ min of compressed air
Delivers 3 m³/ min of compressed air at delivery pressure
Compresses 3 m³/ min of free air
Compresses 3 m³/min of standard air

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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