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Civil Engineering - Hydraulics

Exercise : Hydraulics - Section 5
1.
Water flows through a convergent mouthpiece of diameter 4 cm at convergence under a head of 3 metres. If the maximum vacuum pressure is 9 metres of water, the maximum diameter of divergence, to aviod separation of flow, is
4 cm
6 cm
2 cm
23 cm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
An ideal fluid
is frictionless and incompressible
obeys Newton's law of velocity
is similar to gas
is very viscous.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In C.G.S. system the units of kinematic viscosity, is
stoke
poise
Newton
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A triangular notch is preferred to a rectangular notch because
only one reading is required
its formula is simple to remember
it gives more accurate results for low discharge
it measures a wide range of flows accurately
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
In case of laminar flow through a circular pipe,
momentum correction factor is 1.33
energy correction factor is 2.00
both (a) and (b)
Neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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