Civil Engineering - Hydraulics - Discussion
Discussion Forum : Hydraulics - Section 2 (Q.No. 13)
13.
If cohesion between the molecules of a fluid is more than adhesion between the fluid and glass, the free level of fluid in a dipped glass tube will be
Discussion:
14 comments Page 1 of 2.
Rana bdr shahi said:
3 years ago
Cohesion is defined as the attraction between molecules of the same liquid whereas, adhesions mean the attraction between molecules of liquid.
Cohesion is greater than adhesion like in mercury and glass interface.
Cohesion is greater than adhesion like in mercury and glass interface.
Dharani said:
6 years ago
Adhesion between molecules of fluid is greater than the adhesion between fluid and glass then the free level of fluid in glass tube dipped in glass vessel will be.
Himanshu Gupta said:
6 years ago
They are asking for a rise or fall in the tube, not about curved surface of fluid inside the tube. Since its mercury, therefore, there will be depression. Hence given answer is correct.
Dilil said:
6 years ago
C is correct.
Because, question ask the level of fluid in a tube with respect to the level of Container and this is lower because of cohesion> adhesion.
Thanks.
Because, question ask the level of fluid in a tube with respect to the level of Container and this is lower because of cohesion> adhesion.
Thanks.
Priyanka Shah said:
6 years ago
Please explain the correct answer.
Abhishek Rana said:
6 years ago
Cohesive >adhesive so upward.
Pankaj said:
7 years ago
They say the free level of liquid, free level lies below the top level.
(1)
Prajyot said:
7 years ago
Here, It is asked with respect to free level. So given option is correct.
Mona said:
7 years ago
Yes, correct @Madhu.
Manu said:
7 years ago
A is the correct answer.
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