5 The total head in a flow is the sum of Piezometric head, velocity head and datum head Piezometric head and velocity head Piezometric head and pressure head on the fluid Piezometric head and datum head
5 The total head in a flow is the sum of Piezometric head, velocity head and datum head Piezometric head and velocity head Piezometric head and pressure head on the fluid Piezometric head and datum head
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
pllllllllllllease solve question 5
![9
11
4
5
6
7
3
Question 1: Choose the correct letter, A, B, C or D. (22 Points)
2 Points each
A
1
2
In a fluid flow, point A is at a higher elevation
than point B. The head loss between these
points is H. The total heads at A and B are
HA and Ha respectively. The flow will take
place:
The flow is said to be steady when the:
For the acceleration equation, when the term
VdV/ds=2 m/s² that means the flow is:
In a horizontal flow of incompressible fluid
along a constant pipe section under steady
conditions, the pressure along flow direction
will:
The total head in a flow is the sum of
In a flow along a varying flow cross section,
as the area decreases:
For pitot-static tube shown below, the flow
velocity is equal to:
Water
8
In a 2 m long pipe the cross-sectional area
A=0.4 m². At a given instant a discharge of
0.48 m/s was flowing in the duct and it was
found to increase at a rate of 0.12 m³/s. The
local acceleration in m/s² is:
L = 0.5 m
From A to B if
HA + H₂=
На
Velocity at any
point of
observation
does not
change with
time
Steady
Remain
constant
Piezometric
head, velocity
head and
datum head
The slope of
EGL will
increase
0.6 m/s
2.1
1
Always from A
to B
Velocity does
not change in
magnitude at
any point in a
flowing fluid
10 The head extracted by a turbine having a flow of 1.2 m/s is equal to
120 m. If the efficiency of the turbine = 90% the output power
developed from the turbine in kW is:
B
Uniform
Piezometric
head and
velocity head
Increase
In a steady flow at a location in the flow, the velocity head is 6 m, the
pressure head is 4 m, and the potential head is 4 m. The height of EGL
at this location will be:
Water flows at a rate of 0.001 m/s through a pipe with diameter of 20
cm, estimate Reynolds number if the kinematic viscosity = 106 m²/s.
The slope of
EGL will
decrease
2.15 m/s
3.6
14
1569.6
3855
C
From B to A if
HA+HL=
На
Velocity does
not change
either in
magnitude or
in direction at
any point in a
flowing fluid
Unsteady
Decrease
Piezometric
head and
pressure head
The slope of
EGL will
remain
constant
1.11 m/s
12
0.3
1271.3
4233
D
None of
these
None of
these
Non-
uniform
Increase or
decrease
depending
on the fluid
10
Piezometric
head and
datum head
Insufficient
information
3.13 m/s
5244
1.5
8
1418.5 1723.4
6366](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F37e4f192-d5be-4afb-89b0-95033ae0e425%2F4f579f79-e6ee-47b2-9efd-bfd490c456aa%2Fpk2ysi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9
11
4
5
6
7
3
Question 1: Choose the correct letter, A, B, C or D. (22 Points)
2 Points each
A
1
2
In a fluid flow, point A is at a higher elevation
than point B. The head loss between these
points is H. The total heads at A and B are
HA and Ha respectively. The flow will take
place:
The flow is said to be steady when the:
For the acceleration equation, when the term
VdV/ds=2 m/s² that means the flow is:
In a horizontal flow of incompressible fluid
along a constant pipe section under steady
conditions, the pressure along flow direction
will:
The total head in a flow is the sum of
In a flow along a varying flow cross section,
as the area decreases:
For pitot-static tube shown below, the flow
velocity is equal to:
Water
8
In a 2 m long pipe the cross-sectional area
A=0.4 m². At a given instant a discharge of
0.48 m/s was flowing in the duct and it was
found to increase at a rate of 0.12 m³/s. The
local acceleration in m/s² is:
L = 0.5 m
From A to B if
HA + H₂=
На
Velocity at any
point of
observation
does not
change with
time
Steady
Remain
constant
Piezometric
head, velocity
head and
datum head
The slope of
EGL will
increase
0.6 m/s
2.1
1
Always from A
to B
Velocity does
not change in
magnitude at
any point in a
flowing fluid
10 The head extracted by a turbine having a flow of 1.2 m/s is equal to
120 m. If the efficiency of the turbine = 90% the output power
developed from the turbine in kW is:
B
Uniform
Piezometric
head and
velocity head
Increase
In a steady flow at a location in the flow, the velocity head is 6 m, the
pressure head is 4 m, and the potential head is 4 m. The height of EGL
at this location will be:
Water flows at a rate of 0.001 m/s through a pipe with diameter of 20
cm, estimate Reynolds number if the kinematic viscosity = 106 m²/s.
The slope of
EGL will
decrease
2.15 m/s
3.6
14
1569.6
3855
C
From B to A if
HA+HL=
На
Velocity does
not change
either in
magnitude or
in direction at
any point in a
flowing fluid
Unsteady
Decrease
Piezometric
head and
pressure head
The slope of
EGL will
remain
constant
1.11 m/s
12
0.3
1271.3
4233
D
None of
these
None of
these
Non-
uniform
Increase or
decrease
depending
on the fluid
10
Piezometric
head and
datum head
Insufficient
information
3.13 m/s
5244
1.5
8
1418.5 1723.4
6366
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Elements Of Electromagnetics](https://www.bartleby.com/isbn_cover_images/9780190698614/9780190698614_smallCoverImage.gif)
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
![Mechanics of Materials (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134319650/9780134319650_smallCoverImage.gif)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Thermodynamics: An Engineering Approach](https://www.bartleby.com/isbn_cover_images/9781259822674/9781259822674_smallCoverImage.gif)
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
![Elements Of Electromagnetics](https://www.bartleby.com/isbn_cover_images/9780190698614/9780190698614_smallCoverImage.gif)
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
![Mechanics of Materials (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134319650/9780134319650_smallCoverImage.gif)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Thermodynamics: An Engineering Approach](https://www.bartleby.com/isbn_cover_images/9781259822674/9781259822674_smallCoverImage.gif)
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
![Control Systems Engineering](https://www.bartleby.com/isbn_cover_images/9781118170519/9781118170519_smallCoverImage.gif)
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
![Mechanics of Materials (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781337093347/9781337093347_smallCoverImage.gif)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
![Engineering Mechanics: Statics](https://www.bartleby.com/isbn_cover_images/9781118807330/9781118807330_smallCoverImage.gif)
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY