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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 1
16.
According to equation of continuity,
w1a1 = w2a2
w1v1 = w2v2
a1v1 = a2v2
a1/v1 = a2/v2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Coefficient of resistance is the ratio of
actual velocity of jet at vena contracta to the theoretical velocity
area of jet at vena contracta to the area of orifice
loss of head in the orifice to the head of water available at the exit of the orifice
actual discharge through an orifice to the dieoretical discharge
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Euler's equation in the differential form for the motion of liquids is given by
ρ.dp + g.dz + v.dv = 0
ρ.dp - g.dz + v.dv = 0
Answer: Option
Explanation:
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19.
In order to measure the flow with a venturimeter, it is installed in
horizontal line
inclined line with flow upwards
inclined line with flow downwards
any direction and in any location
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge)
Q = Cd x b2g(H2 - H1)
Q = Cd x b2g(H21/2 - H11/2)
Q = Cd x b2g(H23/2 - H13/2)
Q = Cd x b2g(H22 - H12)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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