The closed cycle in gas turbines
Provides greater flexibility
Provides lesser flexibility
In never used
Is used when gas is to be burnt
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- In the axial flow gas turbine, the work ratio is the ratio of
- The maximum propulsion efficiency of a turbojet is attained at around following speed
- The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ =…
- The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram…
- Which of the following statement is correct relating to rocket engines?
- As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure…
- An ideal air compressor cycle without clearance on PV diagram can be represented by following processes
- The pressure ratio of an ideal vaned compressor with increase in mass flow rate
- 1 m of air at atmospheric condition weighs approximately
- If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches
- The closed cycle in gas turbines
- Only rocket engines can be propelled to space because
- The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
- Volumetric efficiency is
- The performance of air compressor at high altitudes will be ________ as compared to that at sea level.
- Ramjet engine
- If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is…
- The ratio of the net work obtained from the gas turbine plant to the turbine work is known as
- With the decrease in compression ratio, the volumetric efficiency
- The air-fuel ratio in gas turbines is of the order of
- The inlet pressure is always ________ the discharge pressure.
- The maximum delivery pressure in a rotary air compressor is
- Which is false statement about multistage compression?
- Gas turbine cycle with regenerator
- The advantage of multistage compression over single stage compression is
- The assumption made in two stage compression with intercooler is that
- The compressor capacity with decrease in suction temperature
- The thermodynamic efficiency of rotary compressor is based on
- Reciprocating air compressor is best suited for
- In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of