Q.7 Which of the following aircraft engines has the highest propulsive efficiency at a cruising Mach number of less than 0.5?
(A) Turbofan engine
(B) Turbojet engine
(C) Turboprop engine
(D) Ramjet engine
Correct Answer:-
(C)
Propulsive efficiency depends on specific thrust,at low Mach Number 0.5 or 0.6, turboprop engine have the superior efficiency compare to other engines.
(A) Turbofan engine
(B) Turbojet engine
(C) Turboprop engine
(D) Ramjet engine
Correct Answer:-
(C)
Propulsive efficiency depends on specific thrust,at low Mach Number 0.5 or 0.6, turboprop engine have the superior efficiency compare to other engines.
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