Related Questions

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
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
For minimum work in multistage compression, assuming same index of compression in all stages
A Work done in first stage should be more
B Work done in subsequent stages should increase
C Work done in subsequent stages should decrease
D Work done in all stages should be equal
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
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
For minimum work required to compress and deliver a quantity of air by multistage compression
A The compression ratio in each stage should be same
B The intercooling should be perfect
C The work-done in each stage should be same
D All of the above
The output stage of a multistage amplifier usually employs ___________
A Push-pull amplifier
B Preamplifier
C Class A power amplifier
D None of the above
The final stage of a multistage amplifier uses ___________
A RC coupling
B Transformer coupling
C Direct coupling
D Impedance coupling
The output stage of a multistage amplifier is also called ___________
A Mixer stage
B Power stage
C Detector stage
D F stage
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

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