Mechanical Engineering - Hydraulics and Fluid Mechanics

36.
Reynold's number is the ratio of the inertia force to the
surface tension force
viscous force
gravity force
elastic force
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is
3.53 kN
33.3 kN
35.3 kN
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
equal to
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is
wA
wx
wAx
wAx/sin θ
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
Turbulent flow takes place at high velocities.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.