Home

What is the correct answer?

4

The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by

A. [2(Vr - v) v]/ Vr²

B. 2(Vr + v) v]/ Vr²

C. [(Vr - v) v]/ Vr

D. [(Vr + v) v]/ Vr

Correct Answer :

A. [2(Vr - v) v]/ Vr²


Share this question with your friends
Show all Hydraulics & Fluid Machineries MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Related Questions

A Pelton wheel develops 1750 kW under a head of 100 metres while running… According to fan laws, at constant pressure, the speed capacity and power… Kinematic similarity is said to exist between the model and the prototype,… The power developed by a turbine is (where H = Head of water under which… Which place in hydraulic turbine is most susceptible for cavitations? Casting of a centrifugal pump is designed so as to minimize Power required to drive a centrifugal pump is directly proportional to… A turbine develops 10000 kW under a head of 25 metres at 135 r.p.m. Its… The hydraulic efficiency of an impulse turbine is the Specific speed for reaction turbines ranges from In a single casing, multistage pump running at constant speed, the capacity… The maximum efficiency of jet propulsion of a ship with inlet orifices… In a Kaplan turbine runner, the numbers of blades are generally between Saving of work done and power by fitting an air vessel to single acting… Which of the following pump is successfully used for lifting water to… Medium specific speed of a pump implies it is According to fan laws, for the fans having constant wheel diameters, the… Braking jet in an impulse turbine is used If the net positive suction head (NPSH) requirement for the pump is not… The power produced by the reaction turbine is ________ to the head of… Pressure intensifier increases the pressure in proportion to The impeller of a centrifugal pump may have The relation between hydraulic efficiency (ηh), mechanical efficiency… The type of centrifugal pump preferred for a specific speed of 20 r.p.m.… Which of the following pump is preferred for flood control and irrigation… The force exerted by a jet of water impinging normally on a plate which… The flow ratio of Francis turbine is defined as the ratio of the Which of the following hydraulic unit is used for transmitting increased… The number of buckets on the periphery of a Pelton wheel is given by The gross or total head of the turbine is the ________ of the water levels…

Also checkout

Urinary Calculus Disease MCQ Current Affairs December 2022 MCQ Digital Electronics MCQ Carboxylic Acids MCQ Human reproductive system MCQ Current Affairs August 2022 MCQ Phylum - Pisces MCQ Classifications of Animal Kindom MCQ Ethers MCQ Coding MCQ PL/SQL MCQ Direction MCQ