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Civil Engineering - Hydraulics

Exercise : Hydraulics - Section 2
6.
For the most economical trapezoidal open channel,
half of the top width must be equal to one of the sloping sides
the hydraulic mean depth must be equal to half the depth of flow
the semicircle drawn with top width as diameter must touch the three sides of the channel
All of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Hydraulic ram is a device
for lifting water without an electric motor
for accelerating water flow
for lifting heavy loads
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Gauge pressure is
absolute pressure - atmospheric pressure
absolute pressure + atmospheric pressure
atmospheric pressure - absolute pressure
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The mouth piece shown in the below figure is generally known as
Internal mouth piece
Re-entrant mouth piece
Borda's mouth piece
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
If S is the length of the crest, H is the height of water source of a weir whose length is L and discharge is Q m3/sec, the velocity of approach Vd is
2gH
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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