SSC JE Mechanical Engineering 1st March 2017 Shift-2

Instructions

For the following questions answer them individually

Question 21

The force exerted by the jet on fixed plate shown in the figure below is equal to :

Question 22

A weir system in which the downstream water level of the weir nappe is higher than the crest is called _____.

Question 23

For starting an axial flow pump, its delivery valve should be _____.


Question 24

Equation of continuity results from the principal of conservation of _____.

Question 25

When a piping system is made up primarily of friction head and very little of vertical lift, then pipe characteristics should be _____.

Question 26

The hydraulic mean depth for a circular pipe of diameter 'd' running full is equal to _____.


Question 27

In a centrifugal pump, the liquid enters the pump from _____.

Question 28

Head loss in a flowing fluid is experienced due to _____.
A. friction at surface
B. change of direction
C. change of section of passage
D. obstruction in passage

Question 29

High specific speed of turbine implies that it is _____.


Question 30

One dimensional flow is _____.

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