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The pressure ratio in gas turbines is of the order of__________________?
Related MCQs
The ratio of specific weighf/h.p. of gas turbin and I.C engines may be typically of the order of__________?
The thermal efficiency of a gas turbine as compared to a diesel plant is__________?
Gas turbine blades are given a rake__________?
The air-fuel ratio in gas turbines is of the order of __________?
Mechanical efficiency of gas turbines as compared to I.C engines is__________?
The fuel consumption in gas turbines is accounted for by__________?
The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is__________?
The work ratio of a gas turbine plant is defined as the ratio of__________?
Rotary compressors are suitable for __________?
Gas turbine works on__________?
Gas turbine works on__________?
The pressure ratio of an ideal vaned compressor with increase in mass flow rate__________?
Actual compression curve is__________?
The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called__________?
Surging phenomenon in centrifugal com-pressor depends on __________?
Gas turbines for power generaion are normally used__________?
Open cycle gas turbine works on__________?
The work ratio of simple gas turbine cycle depends on__________?
The vloumetric efficiency of compressor with increase in compression ratio will __________?
Axial flow compressor resembles__________ ?
Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm . The air pressure will be__________ ?
Axial flow compressor has the following advantage over centrifugal compressor__________?
Maximum delivery pressure is a rotary air compressor is of the order of__________?
The thermodynamic efficiency of rotary compressor is based on__________?
Surging is the phenomenon of__________?
The maximum compression ratio in an actual single stage axial flow comperssor is of the order of__________?
The ratio of isentropic work to euler’s work is known as __________?
The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called__________?
More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than__________?
Pick up the wrong statement about advantages of multistage compression__________?
Losses in a centrifugal compressor are due to__________?
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__________?
The criterion of the thermodynamic efficiency for rotary compressor is__________?
The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature__________?
For minimum work in multistage compression, assuming same index of compression in all stages__________?
Which is false statement about advantages of multistage compressor in comparison to single stage compressor__________?
For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________?
Diffuser in a compressor is used to __________?
Phenomenon of choking in compressor means __________?
The ratio of isentropic work to Euler work is known as__________?
The indicated work per unit mass of air delivered is__________?
As the value of index ‘«’ is decreased, the volumetric efficiency will__________?
The advantage of multistage compression over single stage compression is __________?
In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to __________?
The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation__________?
During base load operation, the best method of controlling compressor is __________?
The volumetirc efficiency of a compressor is calculated on the basis of __________?
For slow-speed large capacity compressor, following type of valve will be best suited__________?
The compressor efficiecny is the__________?
For a compressor, least work will be done if the compression is__________ ?
To avoid moisture troubles, the branch connections from compressed air lines should be taken from__________?
The pressure ratio in gas turbines is of the order of__________________?
A. 2:l
b. 4:1
C. 61: 1
D. 9 : 1
E. 12:1.
Correct Answer:
61: 1
✔
Last Updated:
January 24, 2019