The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called
Slip factor
Velocity factor
Velocity coefficient
None of the above
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- The stagnation pressure rise in a centrifugal compressor takes place
- The capacity of compressor will be highest when its intake temperature is
- The air power of the compressor is also known as
- The efficiency and work ratio of a gas turbine plant can be increased by
- The working fluid in a turbine is
- In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.
- The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________…
- The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
- The pressure and temperature conditions of air at the suction of compressor are
- During peak load periods, the best method of controlling compressors is
- In a centrifugal compressor, an increase in speed at a given pressure ratio causes
- The compressor capacity with decrease in suction temperature
- The compression ratio for the compressor is always __________ unity.
- In a single stage, single acting reciprocating air compressor, without clearance, the workdone on the…
- In a double acting compressor, the air is compressed
- Reheating in multistage expansion gas turbine results in
- Ratio of indicated H.P. and brake H.P. is known as
- The overall efficiency of the compressed air system is the
- The closed cycle in gas turbines
- The material commonly used for air craft gas turbine is
- In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of
- Which of the following statement is correct?
- Reciprocating air compressor is best suited for
- The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade…
- The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor…
- The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric…
- A compressor at high altitudes will require ________ power.
- The axial flow compressor is preferred in aircraft gas turbines because of
- In jet engines the products of combustion after passing through the gas turbine are discharged into
- There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum.…