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Mr. Dubey • 53.56K Points
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Q. Jet propulsion of ship is less efficient than screw propeller due to

(A) pressure
(B) temperature
(C) frictional losses
(D) wear and tear
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Explanation by: Mr. Dubey 
 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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