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ESE CE: Hydraulics Champion Quiz 2

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Question 1

A liquid of density p and bulk modulus K flows with a mean velocity V in a long rigid pipe of diameter D. A sudden closure of a valve at the downstream end of the pipe will produce a maximum water hammer head of

Question 2

Assertion (A): The power transmitted through a pipe is maximum when the loss of head due to friction is equal to one-third of total head at the inlet.
Reason (A): Velocity is maximum when the friction loss is one-third of the total head at the inlet.

Question 3

Two identical pumps, each capable of delivering 0.2 cumec, against a head of 30 m, are connected in parallel. The resulting discharge is

Question 4

Match List-I with List-II and select the correct answer using the code given below the lists :
List-I
A) Pelton turbine
B) Francis turbine
C) Kaplan turbine
D) Banki turbine
List-II
1) Mixed flow reaction turbine
2) Operating under low head and large discharge
3) Operating under high head and large discharge
4) No draft tube

Question 5

A circular jet of water impinges on a vertical flat plate and bifurcates into two circular jets of half the diameter of the original. then which of the following statement is correct?

Question 6

As a ship enters into a river from sea, one can expect that

Question 7

The submerged body will be in stable equilibrium if the centre of buoyancy B

Question 8

In the selection of turbine by specific speed or head, which one of the following statements is not correct?

Question 9

A two-dimensional water jet strikes a fixed two-dimensional plate at 30° from the normal to the plate. This causes the jet to split into two streams in which the ratio of larger discharge to smaller discharge is

Question 10

A river whose discharge is 10⁵ cumecs is to be studied by a 1 : 100 scale model in a laboratory. The discharge required in the model is:

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ESE & GATE CE Irrigation Engineering

May 19ESE & GATE CE