Civil Engineering - Building Materials - Discussion

32. 

Clay and silt content in a good brick earth must be at least

[A]. 50%
[B]. 40%
[C]. 30%
[D]. 25%
[E]. 20%.

Answer: Option A

Explanation:

No answer description available for this question.

Prodip Garai said: (Nov 18, 2016)  
The correct answer will be 20%.

Surya said: (Nov 27, 2016)  
Answer is 20 to 35%.

Balvinder Singh said: (Dec 6, 2016)  
Yes 20% is correct answer.

Aarti said: (Jan 20, 2017)  
The range is between 25% to 75% so the correct answer is either of them between 25 to 75.

Saurabh said: (Mar 6, 2017)  
Silica (sand) " 50% to 60% by weight.
Alumina (clay) " 20% to 30% by weight.
Lime " 2 to 5% by weight.
Iron oxide "7% by weight.
Magnesia " less than 1% by weight.

Ietakshay said: (Aug 1, 2018)  
Guys given Ans. [A] is Correct.

Clay or Alumina Content 20-30%.
Silt Content -30%.
Sand or Silica Content - 35 to 50%.

In Question Asking about Clay and silt content that means Clay + Silt Which is equal to 50%.

Praveen Thakur said: (Oct 17, 2018)  
Right Answer, Thank you @Ietakshay.

Vivek said: (Dec 4, 2018)  
It is 20% to 25%.

Sunil said: (Jun 10, 2019)  
Please explain the correct answer.

Amit Kumar Yadav said: (Sep 18, 2019)  
In question, 'Clay and silt content' means "Clay+Silt" %age, which is nearly equal to 50%.

Khano said: (Dec 12, 2019)  
Clay 20%+ silt 30% = 50%.

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