UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements regarding underreamed piles :
1. They are used in expansive soils.
2. They are of perkcast reinforced concrete.
3. The ratio of bulb to shaft diameters is usually 2 to 3.
4. Minimum spacing between the piles should not be less than 1.5 times the bulb diameter.
of these statements :

A 1, 2 and 3 are correct

B 1, 3 and 4 are correct

C 2, 3 and 4 are correct

D 1, 2 and 4 are correct

ANS:B - 1, 3 and 4 are correct

No answer description is available.