The effective power of gas turbines is increased by adding the following in compressor
Ammonia and water vapour
Carbon dioxide
Nitrogen
Hydrogen
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- Which of the following statement is wrong?
- Aeroplanes employ following type of compressor
- If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air…
- The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known…
- In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working…
- In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the…
- For speed above 3000 km/hour, it is more advantageous to use
- Rotary compressors are suitable for
- The thermal efficiency of a gas turbine as compared to a diesel plant is
- The closed cycle in gas turbines
- The air is delivered ________ in one revolution in case of a three lobbed rotor.
- The efficiency of roots blower ________ with the increase in pressure ratio.
- Isothermal compression though most efficient, but is not practicable because
- In a jet propulsion
- High air-fuel ratio is used in gas turbines
- The compression ratio in a gas turbine is of the order of
- In a high pressure compressor, the delivery pressure is
- Gas turbine as compared to internal combustion engine
- Pick up the wrong statement
- For a two stage reciprocating compressor, compression from p₁ to p₃ is with perfect intercooling…
- To avoid moisture troubles, the compressed air main line should
- Gas turbine works on
- Stalling of blades in axial flow compressor is the phenomenon of
- In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.
- Reheating in a multistage expansion gas turbine __________ compressor work.
- The ratio of work done per cycle to the swept volume in case of compressor is called
- Inter cooling in compressors
- In a closed cycle gas turbine, the air is compressed
- A turboprop is preferred to turbojet because
- The overall isothermal efficiency of the compressor is defined as the ratio of