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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

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

Elements Of Electromagnetics
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
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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
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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