Which is false statement about advantages of multistage compressor in comparison to single stage compressor?

A Less power requirement
B Better mechanical balance
C Less loss of air due to leakage past the cylinder
D Lower volumetric efficiency

Correct Answer: Lower volumetric efficiency

Advantages of multistage compressor in comparison to single stage compressor
- Less power requirement
- Better mechanical balance
- Less loss of air due to leakage past the cylinder
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#Mechanical Engineering #Compressors #Gas Turbines And Jet Engines

Related Questions

The bandwidth of a single stage amplifier is ___________ that of a multistage amplifier
A More than
B The same as
C Less than
D Data insufficient
The advantage of multistage compression over single stage compression is
A Lower power consumption per unit of air delivered
B Higher volumetric efficiency
C Decreased discharge temperature
D All of the above
Multistage compression of air as compared to single stage compression offers the advantage of
A Power saving per unit weight of air delivered
B Moisture elimination in the inter-stage cooler
C Increased volumetric efficiency
D All of the above
For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will
A Increase
B Decrease
C Remain unaffected
D Other factors control it
In multistage compressor, the isothermal compression is achieved by
A Employing inter-cooler
B By constantly cooling the cylinder
C By running compressor at very slow speed
D By insulating the cylinder
Reheating in a multistage expansion gas turbine ________ compressor work.
A Has no effect on
B Decreases
C Increases
D None of these
Interstage coolers are provided in a multistage compressor to
A Save power in compressing a given volume to a given pressure
B Cool the delivered air
C Achieve the exact delivery pressure
D None of these
In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during
A Isothermal compression
B Isentropic compression
C Polytropic compression
D None of these
In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during
A Isothermal compression
B Isentropic compression
C Polytropic compression
D None of these
Which is false statement about multistage compression?
A Power consumption per unit of air delivered is low
B Volumetric efficiency is high
C It is best suited for compression ratios around 7 : 1
D The moisture in air is condensed in the inter-cooler

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