Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 5 (Q.No. 38)
38.
Good quality sand is never obtained from
river
nala
sea
gravel powder.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
20 comments Page 1 of 2.

Malla said:   3 years ago
Sand obtained from the sea can be refined to make it useable for construction, but the one obtained from Nala, cannot be refined. Hence, the correct answer is Nala.
(1)

Ganesh said:   6 years ago
Nala is the answer because Nala contains more organic matter as well as a high percentage of silt so these sands should not be used for construction.

Prakash said:   8 years ago
River is the suitable answer. Because various salt $ other base is dissolved in sea sand. Whichever is effective to strengthen of cement.

Vijesh said:   7 years ago
Nala is the answer, Nala has organic matter which makes it more difficult to use in construction.

Hasnain said:   1 year ago
Sea is the right answer because sea sand contains salts which cause corrosion in reinforcement.

Vishvendra Meena said:   6 years ago
@Nala, because it contain organic matter which make it structure porous and reduce strength.

Manik said:   8 years ago
Read question carefully sea sand has never good quality because it contains salts.

Kshitij Desai said:   8 years ago
But in nala there can be more organic content. What is gravel powder?

Isaak said:   5 years ago
Sea sand are sometimes used in construction. So, nala is the answer.

Shubh said:   5 years ago
Nala is the right answer because is to carry organic content.


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