Compressors, Gas Turbines & Jet Engines Mcqs

Q.  Surging is the phenomenon of___________________?

a. air stream blocking the passage
b. motion of air at sonic velocity
c. unsteady, periodic and reversed flow
d. air stream not able to follow the blade contour
e. production of no air pressure


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The air-fuel ratio in gas turbines is of the order of ______________________?
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MCQs:  Gas turbine blades are given a rake___________________?
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MCQs:  The thermal efficiency of a gas turbine as compared to a diesel plant is__________________?
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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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