0.001
0.01
0.1
1
✅ The correct answer is option D.
Hydraulics and Fluid Mechanics MCQs
According to Pascal’s law, the intensity of pressure at any point in a fluid at rest is the same in all directions.
Agree
Disagree
✅ The correct answer is option A.
According to Bazin’s formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to
✅ The correct answer is option A.
The metacentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is
4.1 s
5.2 s
10.4 s
14.1 s
✅ The correct answer is option C.
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by
✅ The correct answer is option C.
The depth of water in a channel corresponding to the minimum specific energy is known as critical depth.
Agree
Disagree
✅ The correct answer is option A.
The pressure of fluid due to hammer blow is
directly proportional to density of fluid
inversely proportional to density of fluid
directly proportional to (density)1/2 of fluid
inversely proportional
✅ The correct answer is option C.
The viscosity of water is __________ than that of mercury.
higher
lower
✅ The correct answer is option A.
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)
wH/2
wH
wH2/2
wH2/4
✅ The correct answer is option C.
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
less than
more than
✅ The correct answer is option A.