Font size
S
M
L
XL
WorksheetsFlow through Pipe
Total questions: 34
Worksheet time: 17mins
Name
Class
Date
1.
what is the pressure in pipe when it is runnung partially full?
a)
atmospheric
b)
1 Mpa
c)
1 Gpa
d)
Pressure Head
e)
106N/m
2.
1MPa=?
a)
106 N/m2
b)
1N/m2
c)
1000N/m2
d)
106N/m
3.
What is the common shape of pipe section?
a)
Circular
b)
Rectangular
c)
Triangular
d)
none of this
4.
Which is the Principle followed by the continuity equation.
a)
Conservation of momentum
b)
Conservation of mass
c)
Conservation of Energy
d)
all of these
5.
Which equation is obtained by integrating the Euler's equation?
a)
Continuity
b)
Bernoulli's
c)
Momentum
d)
all of these
6.
The sum of the pressure energy, the kinetic energy and the potential energy per unit mass is ____
a)
Continuity
b)
Bernoulli's
c)
Momentum
d)
all of these
7.
Identify the type of flow if fluid and flow properties do not vary with respect to time.
a)
Steady
b)
Uniform
c)
Rotational
d)
Unsteady
e)
Nonuniform
8.
Identify the type of flow if fluid and flow properties do not vary with respect to space.
a)
Steady
b)
Uniform
c)
Rotational
d)
Unsteady
e)
Nonuniform
9.
Identify the type of flow if fluid properties do vary with respect to space.
a)
Steady
b)
Uniform
c)
Rotational
d)
Unsteady
e)
Nonuniform
10.
Identify the type of flow if fluid and flow properties do vary with respect to time.
a)
Steady
b)
Uniform
c)
Rotational
d)
Unsteady
e)
Nonuniform
11.
Identify the flow when fluid particles rotate while flowing
a)
Steady
b)
Uniform
c)
Rotational
d)
Unsteady
e)
Nonuniform
12.
A chocolate syrup is flowing without any mixing ( constant density) in pipe network which is designed by the students of VVP then type of the flow occurred in the pipe is called as___
a)
Steady
b)
Uniform
c)
Rotational
d)
Incompressible
e)
Pure chocolate flow
13.
Who was to show the existence of two types of flow laminar and turbulent.
a)
Osborne Reynold
b)
Peter Reynold
c)
Reynold Brother
d)
Junior Reynold
e)
Harry Potter
14.
Reynolds number is the ratio of___
a)
Inertial force to viscousforce
b)
square root of Inertial force to square root of gravity force.
c)
square root of Inertial force to square root of surface tension force.
d)
square root of Inertial force to square root of elastic force.
15.
Froude's number is the ratio of___
a)
Inertial force to viscousforce
b)
square root of Inertial force to square root of pressure force.
c)
square root of Inertial force to square root of gravity force.
d)
square root of Inertial force to square root of surface tension force.
e)
square root of Inertial force to square root of elastic force.
16.
Euler's number is the ratio of
a)
Inertial force to viscousforce
b)
square root of Inertial force to square root of pressure force.
c)
square root of Inertial force to square root of gravity force.
d)
square root of Inertial force to square root of surface tension force.
e)
square root of Inertial force to square root of elastic force.
17.
Weber'S number is the ratio of
a)
Inertial force to viscousforce
b)
square root of Inertial force to square root of pressure force.
c)
square root of Inertial force to square root of gravity force.
d)
square root of Inertial force to square root of surface tension force.
e)
square root of Inertial force to square root of elastic force.
18.
Mach's number is the ratio of
a)
Inertial force to viscousforce
b)
square root of Inertial force to square root of pressure force.
c)
square root of Inertial force to square root of gravity force.
d)
square root of Inertial force to square root of surface tension force.
e)
square root of Inertial force to square root of elastic force.
19.
What is critical Reynold's number for pipe flow?
a)
2100
b)
2000
c)
1000
d)
500
20.
If value of Reynolds number is less than 2000, type of flow through is called as
a)
Turbulent
b)
Transition
c)
Streamline
d)
none of this
21.
If value of Reynolds number is grater than 4000, type of flow through is called as
a)
sinuous
b)
Transition
c)
Streamline
d)
none of this
22.
Which forces are not important at large Reynolds numbers.
a)
Inertial
b)
Viscous
c)
Pressure
d)
gravitational
e)
Surface tension
23.
Which forces are dominant at low Reynolds numbers.
a)
Inertial
b)
Viscous
c)
Pressure
d)
gravitational
e)
Surface tension
24.
The Frictional resistance in case of laminar flow is
a)
Proportional to the velocity of flow
b)
Independent of the pressure
c)
Proportional to the surface area in contact
25.
The Frictional resistance in case of laminar flow is
a)
Proportional to the velocity of flow
b)
Independent of the nature of surface in contact
c)
Greatly affected by variation in temperature
26.
The Frictional resistance in case of turbulentflow is
a)
Proportional to the velocity of flow (Vn)
b)
Independent of the pressure
c)
Proportinal to the density of fluid
27.
The Frictional resistance in case of turbulentflow is
a)
Proportional to the surface area in contact
b)
dependent of the pressure
c)
Slightly affected by variation in temperature
28.
Diffuser is used for reducing head loss due to ____
a)
Sudden enlargement
b)
Bend in pipe
c)
pipe fitting
d)
Obstruction in pipe
29.
When a main pipeline devides into two or more than two parallel pipes which join together called as___
a)
Pipe in Parallels
b)
Pipe in Series
c)
Compound pipe
d)
all of these
30.
When two or more pipes of different dimeters are connected end to end to form single pipe line is called as____
a)
Colateral pipe
b)
Pipe in Series
c)
Compound pipe
d)
all of these
31.
When compound pipe is to be replaced by pipe of uniform diameter having the loss of head and discharge are same as in compound pipe called as___
a)
Pipe in Parallels
b)
Pipe in Series
c)
Compound pipe
d)
Equivalent pipe
32.
How is the length of compund pipe can be calculated?
a)
By adding length of different pipes of compound pipe
b)
By subtracting length of different pipes of compound pipe
c)
Using darcy's head loss equation
33.
A rose petals milk shake flow through main pipes with descharge 0.1 cumecs. If main pipe is devided in to two parallel pipes and discharge through one pipe is 1.531 then what will be the discharge in second pipe?
a)
2 cusec
b)
0.0566 m3/s
c)
2 cumec
d)
0,0566 cusec
34.
A long bent pipe used to transfer water from one reservoir at heigher level to another reservoir situated at lower level?
a)
Syphon
b)
Sump
c)
Intake
d)
all of these
Reset
