UPSC Civil Service Exam Questions - Engineering

Q1:

Which of the following are the purposes of a groyne as a river training structure ?
1. It contracts a river channel to improve its depth.
2. It protects the river bank.
3. It does not allow silt to deposit in the vicinity.
4. It trains the flow along a certain course.
Select the correct answer using the code given below :

A 1 and 2

B 1, 2 and 3

C 1 and 3

D 2, 3 and 4

ANS:D - 2, 3 and 4

A is the correct answer here.

Meanwhile, the 4th statement is also correct.