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Civil Engineering - Hydraulics

Exercise : Hydraulics - Section 5
31.
If v1 and v2 are the velocities of flow before and after sudden enlargement in a pipe, the head loss given by Carnot and Borda equation, is
(v22 - v12)/2g
(v1 - v2)2/2g
(v2 - v1)2/2g
(v1 + v2)2/2g.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Equation of continuity of fluids is applicable only if
flow is steady
flow is compressive
flow is one dimensional
velocity is uniform over the cross-sections
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The flow in open channel is said to be critical if the Froude number is :
less than 1.0
equal to 1.0
greater than 1.0
None of these.
Answer: Option
Explanation:
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34.
An orifice is an opening in a vessel with
closed perimeter of regular shape through which water flows
the water level of the liquid on the up stream side is below the top of the orifice
partially full flow
prolonged sides having length of 2 to 3 diameters of the opening in thick wall.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particles at each point, is called
path line
stream line
potential line
streak line.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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