103 kN/m2
10.3 m of water
760 mm of mercury
all of these
✅ The correct answer is option D.
Hydraulics and Fluid Mechanics MCQs
The total pressure on the top of a closed cylindrical vessel competely filled up with a liquid is
directly proportional to (radius)2
inversely proportional to (radius)2
directly proportional to (radius)4
inversely proportional
✅ The correct answer is option C.
The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called
Newton’s law of motion
Newton’s law of cooling
Newton’s law of viscosity
Newton’s law of resist
✅ The correct answer is option D.
The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir
Agree
Disagree
✅ The correct answer is option A.
The ratio of the inertia force to the viscous force is called
Reynold’s number
Froude’s number
Weber’s number
Euler’s number
✅ The correct answer is option A.
When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is
1.84(L – 0.1nH)H3/2
1.84(L – nH)H2
1.84(L – 0.1nH)H5/2
1.84(L – nH)H3
✅ The correct answer is option A.
The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.
equal to
less than
more than
✅ The correct answer is option C.
The unit of dynamic viscosity in S.I. units is
N-m/s2
N-s/m2
poise
stoke
✅ The correct answer is option B.