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Civil Engineering - Hydraulics

Exercise : Hydraulics - Section 4
21.
For a most economical rectangular channel, the width of the channel must be
equal to depth of flow
twice the depth of flow
half the depth of flow
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
If a1 and a2 are the cross-sectional areas of a tank and orifice, h the height of water level in tank above the centre of the orifice, the velocity of approach is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The hydrostatic force acts through
centre of pressure
centre of top edge
centre of bottom edge
metacentre.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
In an inclined position, a venturimeter records
more reading
less reading
same reading
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
If E1 and E2 are the specific energies at the start of back water curve and at the maximum rise of water respectively and ib and ie are the head slope and the energy line slope respectively, the length of back water (L) is given by
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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