Mechanical Engineering - Hydraulics and Fluid Mechanics - Discussion
Discussion Forum : Hydraulics and Fluid Mechanics - Section 2 (Q.No. 14)
14.
The hydraulic gradient line may be above or below the centre line of the pipe.
Discussion:
27 comments Page 2 of 3.
Aniket said:
8 years ago
It should be above or below HGL.
Aman patel said:
8 years ago
According to me, True is the right answer.
Anil Khalate said:
8 years ago
False, because HGL Is always Above the Mean line By Velocity Head V2/2g.
Aniket said:
8 years ago
Hgl is above the center line because it is the addition of pressure head & static head.
Bhanu yadav said:
8 years ago
True is the correct answer.
Ganesh rawal said:
8 years ago
Yes, true is the correct answer.
S Rama Rao said:
7 years ago
Hydraulic gradient line is always above the centre line of the pipe. It will never below the centre line of the pipe. So the answer is false.
Pavankale said:
7 years ago
What if I select datum line such that it is half above the centre line and half belelow the centre line and pipe is inclined then HGL line may come below centre line?
Vernon PE said:
7 years ago
It is True, due to existence of positive and negative pressure.
Chandrootam said:
7 years ago
It may be vacuum pressure at a point inside the pipe, example -in case of flow through internal or external mouthpiece when flow head is more than 7.5m.
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