Compressors, Gas Turbines & Jet Engines Mcqs


Q.  It is not possible to use closed gas turbine cycle in aeronautical engines because_________________ ?

a. it is inefficient
b. it is bulky
c. it requires cooling water for its operation
d. non of theses


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  In the cross compounding of the gas turbine plant__________________?
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MCQs:  A rocket works with maximum overall efficiency when air craft velocity is equal to the_________________?
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MCQs:  The maximum propulsion efficiency of a turbojet is attained at around following speed __________________?
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MCQs:  Propulsion efficiency of the following order-is obtained in practice _______________?
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MCQs:  The air entry velocity m a rocket as compared to aircraft is_________________?
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MCQs:  In jet propulsion power unit, the inlet duct of diverging shape is used in order to _______________ ?
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MCQs:  The weight per horse power ratio for gas. turbine as compared to I.C. engine and steam turbine is________________?
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MCQs:  The blades of gas turbine are made of_________________?
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MCQs:  Fighter bombers use following type of engine __________________?
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MCQs:  The following property is most important for material used for gas turbine blade___________________?
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MCQs:  The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turine and fixed higher and lower temperature) with increase in pressure ratio will___________________?
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MCQs:  The effective power of gas turbines is increased by adding the following in compressor__________________?
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MCQs:  Air-fuel ratio in a jet engine will be of the order of__________________?
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MCQs:  In jet engines the compression ratio__________________?
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MCQs:  High air-fuel ratio is used in gas turbines______________________?
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MCQs:  In which case the air-fuel ratio is likely to be maximum _________________?
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MCQs:  Reheating in gas turbine results in___________________?
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MCQs:  Work ratio of a gas turbine may be improved by f____________________?
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MCQs:  In the aircraft propellers __________________?
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MCQs:  Work ratio of a gas turbine plant is ratio of______________________?
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