Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 1 (Q.No. 48)
48.
Consider the following methods of preservation of timber :
1. Dipping
2. Brushing or spraying
3. Pressure impregnation
The correct sequence in decreasing order of the effectiveness of these methods of preservation is
1. Dipping
2. Brushing or spraying
3. Pressure impregnation
The correct sequence in decreasing order of the effectiveness of these methods of preservation is
Discussion:
4 comments Page 1 of 1.
Navneet said:
5 years ago
C is the correct option.
Dhanu said:
6 years ago
Yes, 3 1 2 is the answer.
Sagar said:
6 years ago
Yes, it must be C.
Chhaya said:
6 years ago
I think C is the right answer.
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