Adiabatic compression is one in which

A Temperature during compression remains constant
B No heat leaves or enters the compressor cylinder during compression
C Temperature rise follows a linear relationship
D Work done is maximum

Correct Answer: No heat leaves or enters the compressor cylinder during compression

Adiabatic compression is one in which No heat leaves or enters the compressor cylinder during compression
Bissoy MCQ
#Mechanical Engineering #Compressors #Gas Turbines And Jet Engines

Related Questions

The work done in isothermal compression compared to that in adiabatic compression will be
A Less
B More
C Same
D More or less depending upon the extent of work done
Adiabatic compression of a saturated water vapour makes it
A Supersaturated
B Superheated
C Both A and B
D Neither A nor B
What happens in a reversible adiabatic compression?
A Heating occurs
B Cooling occurs
C Pressure is constant
D Temperature is constant
Highest useful compression ratio (HUCR) is the highest compression ratio at which the
A Engine can run
B Engine gives maximum output
C Engine is most efficient
D Fuel can be used in a test engine without knocking
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A Less than 1
B Between 1 and 1.5
C Between 1.5 and 2.0
D Greater than 2
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 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
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
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The temperature of ammonia after compression in a vapour compression system is
A 20 to 50°C
B 50 to 70°C
C 70 to 110°C
D None of these
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

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