WorksheetsFluid Flow
Total questions: 20
Worksheet time: 14mins
It is encountered when highly viscous fluids such as oils flow in small pipes or narrow passages. Is it laminar or turbulent? (Input your answer in small letters only)
(a)
The summation of the kinetic and potential energy is known as (a) . (Input your answer in all small letters only)
The summation of the elevation energy and pressure energy. (Input your answer in all small letters)
(a)
What type of pipe cross section, that can withstand large pressure differences without undergoing significant distortion? (small letters only)
(a)
We use pipes to convey, what kind of fluid? (small letters only)
(a)
We use ducts to convey, what kind of fluid? (small letter only)
(a)
The ratio of area of the jet at vena contracta, to the area of the orifice is known as the coefficient of ____________?
coefficient of discharge
coefficient of resistance
coefficient of contraction
coefficient of velocity
The ratio of head in the orifice to the head of water available at the exit of the orifice is known as the coefficient of _________?
coefficient of velocity
coefficient of resistance
coefficient of discharge
none
The ratio of maximum velocity to the average velocity of viscous fluid through a circular pipe is ___________?
2
0.5
0.75
1.25
An orifice is said to be a large orifice when ___________________.
the cross section of orifice is not less than 10% of the cross section of the tank
orifice can discharge fluid within 10 minute
The head over the orifice is smaller than its vertical dimensions
none
The sheet of water flowing over a notch or weir is known as ________?
sill or crest
nappe or vein
orifice
none
An ideal flow of liquid obeys ____________.
continuity equation
dynamic viscosity law
Newton's law of viscosity
Newton's second law of motion
The discharge over a rectangular notch is ________________?
inversely proportional H^3/2
directly proportional H^3/2
inversely proportional H^5/2
directly proportional H^5/2
The discharge over a triangular notch is __________?
inversely proportional H^3/2
directly proportional H^3/2
inversely proportional H^5/2
directly proportional H^5/2
A structure used to dam up a stream or river over which the water flow is called _______________?
orifice
notch
weir
dam
Fluid is a substance which offers no resistance to change of ______________?
pressure
flow
shape
volume
The pressure less than the atmospheric pressure is known as ______________?
suction pressure
vacuum pressure
negative gage pressure
all of these
The normal stress in a fluid will be constant in all direction at point only if ______________?
It is compressible
it has uniform viscosity
it has zero viscosity
at rest
The power transmitted through pipe is; (where w = specific weight & Q = discharge).
w (Q) (H)
w (Q) (hf)
w (Q) (H - hf)
w (Q) (H + hf)
If 'w' is the specific weight of liquid and 'k' is the depth of any point from the surface, the the pressure intensity at that point will be _____________?
h
w (h)
w / h
h / w
