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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Gas turbine blades are given a rake

Opposite to the direction of motion of blades
In the direction of motion of blades
Depending on the velocity
Equal to zero

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Compressors, Gas Turbines and Jet Engines
The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage.

Equal to
Three times
Double
Six times

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Compressors, Gas Turbines and Jet Engines
The capacity of a compressor is expressed in

m³/min
m³/kg
kg/m²
kg/m³

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Compressors, Gas Turbines and Jet Engines
A large clearance volume in a reciprocating compressor results in

Increased volume flow rate
Lower suction pressure
Lower delivery pressure
Reduced volume flow rate

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Compressors, Gas Turbines and Jet Engines
The maximum delivery pressure in a rotary air compressor is

50 bar
10 bar
30 bar
20 bar

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Compressors, Gas Turbines and Jet Engines
The main purpose of reheating in gas turbine is to

Increase speed
Increase power output
Increase temperature
Reduce turbine size

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