Volumetric efficiency of a compressor with clearance volume
Increases with increase in compression ratio
Decreases with increase in compression ratio
In not dependent upon compression ratio
May increase/decrease depending on compressor capacity
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- The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.
- During base load operation, the best method of controlling compressor is
- Producer gas is produced by
- The axial flow compressor is preferred in aircraft gas turbines because of
- The most efficient method of compressing air is to compress it
- The efficiency of a jet engine is higher at
- Propulsive efficiency is defined as ratio of
- A turboprop is preferred to turbojet because
- Rotary compressors are used for delivering
- Which of the following statement is wrong?
- Isothermal compression efficiency can be attained by running the compressor
- In a single stage, single acting reciprocating air compressor, without clearance volume, the workdone…
- In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor…
- Volumetric efficiency of a compressor without clearance volume
- The material commonly used for air craft gas turbine is
- There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum.…
- Gas turbines use following type of air compressor
- The work done per unit mass of air in compression will be least when n is equal to
- After-cooler is used to
- The compression ratio in a gas turbine is of the order of
- Isothermal compression efficiency, even when running at high speed, can be approached by using
- The working fluid in a turbine is
- High air-fuel ratio is used in gas turbines
- In air compressors, free air delivery means the
- A centrifugal compressor works on the principle of
- Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on
- Which of the following statement is correct?
- Compression efficiency is compared against
- Choose the correct statement
- Stalling of blades in axial flow compressor is the phenomenon of