Civil Engineering - UPSC Civil Service Exam Questions - Discussion


Consider the following statements regarding the phenomenon of bulking of sand :
1. It is due to film of water around sand particles.
2. It is due to capillary action.
3. It is more in finer sands.
Which of the following statements given above is/are correct ?

[A]. 1, 2 and 3
[B]. 1 and 3
[C]. 2 and 3
[D]. 1 and 2

Answer: Option A


No answer description available for this question.

Prabhat said: (Dec 28, 2017)  
I think the Answer is A.

Abhishek said: (Mar 5, 2018)  
I agree it should be A.

Pratik Deshmukh said: (Jul 6, 2018)  
Yeah, Answer a is the correct answer because due the formation of a film of water there is an occurrence of capillarity and which is responsible for bulking of sand, and it is more in the fine sand because of the surface.

The area is more in fine sand.

Rahul Khan said: (Jul 27, 2019)  
B is correct because in bulking of sand having surface tension phenomenon not capillary.

Pavithra said: (Nov 15, 2019)  
Option A is correct.

Due to capillary action sand is get bulked.

Ravindra Solanki said: (Jul 26, 2020)  
Capillarity is also due to surface tension so we can say bulking is due to surface tension or capillarity.

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