SSC JE Mechanical Engineering 22nd Jan 2018 Shift-2
Instructions
For the following questions answer them individually
Question 172
In case of pump the specific speed is given by:
(a) $$\frac{N\sqrt{Q}}{H^{\frac{1}{2}}}$$
(b) $$\frac{N\sqrt{N}}{H^{\frac{3}{4}}}$$
(c) $$\frac{N\sqrt{P}}{H^{\frac{2}{3}}}$$
(d) $$\frac{N\sqrt{Q}}{H^{\frac{3}{4}}}$$
Question 174
The hydraulic mean depth for a pipe water is equal to: Where d is the diameter of the pipe
Question 175
Vertical distribution of velocity in an open channel for laminar flow can be assumed as
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