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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 5
36.
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.
one-half
one-third
two-third
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
In case of flow through parallel pipes,
the head loss for all the pipes is same
the total discharge is equal to the sum of discharges in the various pipes
the total head loss is the sum of head losses in the various pipes
Both (A) and (B)
Answer: Option
Explanation:
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38.
The flow at critical depth in an open channel is called torrential flow.
Yes
No
Answer: Option
Explanation:
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39.
The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Coefficient of velocity is defined as 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
actual discharge through an orifice to the theoretical discharge
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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