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UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements :
The disease of dry not in timber is caused by :
1. complete submergence in water.
2. alternate wet and dry condition.
3. lack of ventilation.
Which of the statements given above is/are correct ?

A 1 only

B 3 only

C 2 only

D 2 and 3

ANS:B - 3 only

No answer description is available.