TRUE
FALSE
✅ The correct answer is option A.
Hydraulics and Fluid Mechanics MCQs
When the venturimeter is inclined, then for a given flow it will show __________ reading.
same
more
less
✅ The correct answer is option A.
The Newton’s law of resistance is based on the assumption that the
planes of the body are completely smooth
space around the body is completely filled with the fluid
fluid particles do not exert any influence on one another
all of the above
✅ The correct answer is option D.
The velocity corresponding to Reynold number of 2000 is called
sub-sonic velocity
super-sonic velocity
lower critical velocity
higher critical veloci
✅ The correct answer is option C.
Poise is the unit of viscosity in C.G.S. system of units.
Agree
Disagree
✅ The correct answer is option A.
The coefficient of discharge in case of internal mouthpiece is __________ that of external mouthpiece.
less than
more than
✅ The correct answer is option A.
The viscosity of a liquid __________ its rate of flow through a hole in a vessel.
effects
does not effect
✅ The correct answer is option A.
The flow in a pipe is turbulent when Reynold number is
less than 2000
between 2000 and 2800
more than 2800
none of these
✅ The correct answer is option C.
The force of buoyancy is always __________ the weight of the liquid displaced by the body.
equal to
less than
more than
✅ The correct answer is option A.
The viscosity of water at 20°C is
one stoke
one centistroke
one poise
one centipoise
✅ The correct answer is option D.