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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 5
11.
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)
K.ρ
K/ρ
ρ/K
K.ρ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)
w
wh
w/h
h/w
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The hydraulic gradient line is always parallel to the centre line of the pipe.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Barometer is used to measure
velocity of liquid
atmospheric pressure
pressure in pipes and channels
difference of pressure between two points in a pipe
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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