it is easier to see through the glass tube
glass tube is cheaper than a metallic tube
it is not possible to conduct this experiment with any other tube
all of the above
✅ The correct answer is option A.
Hydraulics and Fluid Mechanics MCQs
The Cippoletti weir is a __________ weir.
rectangular
triangular
trapezoidal
circular
✅ The correct answer is option C.
The coefficient of venturifiume, generally, lies between
0.3 to 0.45
0.50 to 0.75
0.75 to 0.95
0.95 to 1.0
✅ The correct answer is option D.
The flow in a pipe is neither laminar nor turbulent when Reynold number is
less than 2000
between 2000 and 2800
more than 2800
none of these
✅ The correct answer is option B.
The centre of pressure acts __________ the centre of gravity of immersed surface.
at
above
below
✅ The correct answer is option C.
In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.
Correct
Incorrect
✅ The correct answer is option A.
The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
surface tension
compressibility
capillarity
viscosity
✅ The correct answer is option D.
A hemispherical tank of radius (R) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to lower the level of liquid from (H1) to (H2) will be
none of the above
✅ The correct answer is option C.
The total head of a liquid particle in motion is equal to
pressure head + kinetic head + potential head
pressure head – (kinetic head + potential head)
potential head – (pressure head + kinetic head)
kinetic head – (pressu
✅ The correct answer is option A.
The unit of surface tension is
N/m
N/m2
N/m3
N-m
✅ The correct answer is option A.