An open cylindrical container containing liquid is spinning about its vertical axis such that the liquid undergoes rigid body rotation. Which of the following phenomena are correct? (1) The surface of the liquid is a curve with lowest point at the axis of rotation. There will be no shear stress. There will be no pressure stress. (iii) (A) (B) (C) (D) (i) and (ii) (i) and (iii) (ii) and (iii) All of the above The Energy Line (EL) and Hydraulic Gradient Line (HGL) are used to represent the condition in a pipe flow. Which of the following statements are correct? (1) The difference between EL and HGL is the velocity head. When Bernoulli equation is valid, the EL is constant and remains horizontal, but the HGL needs not necessary so. When there is a sudden contraction in the pipe flow, the HGL will drop. (A) (B) (C) (D) (i) and (ii) (i) and (iii) (ii) and (iii) All of the above
An open cylindrical container containing liquid is spinning about its vertical axis such that the liquid undergoes rigid body rotation. Which of the following phenomena are correct? (1) The surface of the liquid is a curve with lowest point at the axis of rotation. There will be no shear stress. There will be no pressure stress. (iii) (A) (B) (C) (D) (i) and (ii) (i) and (iii) (ii) and (iii) All of the above The Energy Line (EL) and Hydraulic Gradient Line (HGL) are used to represent the condition in a pipe flow. Which of the following statements are correct? (1) The difference between EL and HGL is the velocity head. When Bernoulli equation is valid, the EL is constant and remains horizontal, but the HGL needs not necessary so. When there is a sudden contraction in the pipe flow, the HGL will drop. (A) (B) (C) (D) (i) and (ii) (i) and (iii) (ii) and (iii) All of the above
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...
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![An open cylindrical container containing liquid is spinning about its vertical axis
such that the liquid undergoes rigid body rotation. Which of the following
phenomena are correct?
(1) The surface of the liquid is a curve with lowest point at the axis of
rotation.
There will be no shear stress.
There will be no pressure stress.
(iii)
(A)
(B)
(C)
(D)
(i) and (ii)
(i) and (iii)
(ii) and (iii)
All of the above
The Energy Line (EL) and Hydraulic Gradient Line (HGL) are used to represent
the condition in a pipe flow. Which of the following statements are correct?
(1)
The difference between EL and HGL is the velocity head.
When Bernoulli equation is valid, the EL is constant and remains
horizontal, but the HGL needs not necessary so.
When there is a sudden contraction in the pipe flow, the HGL will drop.
(A)
(B)
(C)
(D)
(i) and (ii)
(i) and (iii)
(ii) and (iii)
All of the above](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4997179e-198e-47d6-b5ab-80d1a15b232c%2Fd5daa992-146b-4c48-884e-7ccd7817ef5d%2F1if839q_processed.png&w=3840&q=75)
Transcribed Image Text:An open cylindrical container containing liquid is spinning about its vertical axis
such that the liquid undergoes rigid body rotation. Which of the following
phenomena are correct?
(1) The surface of the liquid is a curve with lowest point at the axis of
rotation.
There will be no shear stress.
There will be no pressure stress.
(iii)
(A)
(B)
(C)
(D)
(i) and (ii)
(i) and (iii)
(ii) and (iii)
All of the above
The Energy Line (EL) and Hydraulic Gradient Line (HGL) are used to represent
the condition in a pipe flow. Which of the following statements are correct?
(1)
The difference between EL and HGL is the velocity head.
When Bernoulli equation is valid, the EL is constant and remains
horizontal, but the HGL needs not necessary so.
When there is a sudden contraction in the pipe flow, the HGL will drop.
(A)
(B)
(C)
(D)
(i) and (ii)
(i) and (iii)
(ii) and (iii)
All of the above
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