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Jet propulsion of ship is less efficient than screw propeller due to_______

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+1 vote
in Fluid Mechanics by (118k points)
Jet propulsion of ship is less efficient than screw propeller due to_______

(a) Pressure

(b) Temperature

(c) Frictional losses

(d) Wear and tear

The question was asked by my college professor while I was bunking the class.

My question is based upon Force Exerted by a Jet on a Series of Vanes in portion Impact of Jets and Jet Propulsion of Fluid Mechanics

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+2 votes
by (362k points)
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Best answer
Correct option is (c) Frictional losses

Best explanation: Jet propulsion of ship is less efficient than screw propeller due to large amount of frictional losses developed in the pump and the pipeline. Thus, it is rarely used in ships.

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