Compressors, Gas Turbines & Jet Engines Mcqs

Q.  Axial flow compressor has the following advantage over centrifugal compressor__________________?

a. larger air handling ability per unit frontal area
b. higher pressure ratio per stage
c. aerofoil blades are used
d. higher average velocities
e. none of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The ratio of specific weighf/h.p. of gas turbin and I.C engines may be typically of the order of_______________________?
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MCQs:  The pressure ratio in gas turbines is of the order of__________________?
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MCQs:  Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is_________________?
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MCQs:  The hottest point in a gas turbine is______________________?
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MCQs:  Efficiency of gas turbine is increased by________________ ?
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MCQs:  The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is____________________?
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MCQs:  The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio_____________________?
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MCQs:  Water gas is produced by ___________________ ?
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MCQs:  The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of________________?
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MCQs:  There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would__________________?
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MCQs:  The ideal efficiency of simple gas turbine cycle depends on________________?
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MCQs:  The material commonly used for air craft gas turbine is__________________?
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MCQs:  The jnaximum combustion pressure in gas turbine as compared to I.C. engine is_________________?
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MCQs:  As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio_____________________?
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MCQs:  It is not possible to use closed gas turbine cycle in aeronautical engines because_________________ ?
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MCQs:  For an irreversible gas turbine cycle, the efficiency and work ratio both depend on___________________?
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MCQs:  Producer gas is produced by_____________________?
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MCQs:  A gas turbine used in air craft should have______________________?
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MCQs:  The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the_____________________?
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MCQs:  The closed cycle in gas turbines_________________?
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