500 Best Hydraulics MCQ

Q217). For mountaneous regions having steep slope, wagons for carrying liquid are made with bottom

a).parallel to the road surface
b).parallel to the horizontal surface
c).inclined upward while moving upwards
d).inclined downward while moving downwards.

Correct Answer:
parallel to the horizontal surface
Explanation:

Q218). The upper surface of the weir over which water flows, is known as

a).vein
b).nappe
c).sill
d).none of these.

Correct Answer:
sill
Explanation:

Q219). The ratio of the inertia and viscous forces acting in any flow, ignoring other forces, is called

a).Euler number
b).Frode number
c).Reynold number
d).Weber number.

Correct Answer:
Reynold number
Explanation: