surface tension of water
compressibility of water
capillarity of water
viscosity of water
✅ The correct answer is option A.
Hydraulics and Fluid Mechanics MCQs
The hammer blow in pipes occurs when
there is excessive leakage in the pipe
the pipe bursts under high pressure of fluid
the flow of fluid through the pipe is suddenly brought to rest by closing of the valve
the flow of fluid thro
✅ The correct answer is option C.
The discharge over a triangular notch is
inversely proportional to H3/2
directly proportional to H3/2
inversely proportional to H5/2
directly proportional
✅ The correct answer is option D.
The velocity at which the flow changes from laminar flow to turbulent flow is called
critical velocity
velocity of approach
sub-sonic velocity
super-sonic velocity
✅ The correct answer is option A.
Surface tension force is the product of surface tension per unit length and cross-sectional area of flow.
Correct
Incorrect
✅ The correct answer is option B.
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.
equal to
one-half
three fourth
double
✅ The correct answer is option D.
The quantity of a liquid flowing per second through a section of a pipe or a channel is called discharge and is measured in cumecs (m3/s).
TRUE
FALSE
✅ The correct answer is option A.
The force per unit length is the unit of
surface tension
compressibility
capillarity
viscosity
✅ The correct answer is option A.
Venturimeter is used to
measure the velocity of a flowing liquid
measure the pressure of a flowing liquid
measure the discharge of liquid flowing in a pipe
measure the pressure d
✅ The correct answer is option C.
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is
0.0116 stoke
0.116 stoke
0.0611 stoke
0.611 stoke
✅ The correct answer is option A.