Question

Match List-I with List-II and select the correct answer using the codes given below the list:

List-I	List-II
A. Permanent barrage	1. T = 500 years
B. Pick-up weir	2. T = 200 years
C. Aqueduct (foundation)	3. T = 100 years
D. Aqueduct (waterway)	4. T = 50 years

1. A-3, B-4, C-2, D-1
2. A-1, B-4, C-3, D-2
3. A-3, B-4, C-1, D-2
4. A-1, B-2, C-3, D-4
5.

Answer 1

Correct Answer - Option 1 : A-3, B-4, C-2, D-1

Explanation:

Return period for different structures is based on their importance. For more important structures, return period is taken higher. Hence for Aqueduct (waterway), the return period is highest to for pick-up weir, it is lowest.

List-I	List-II
A. Permanent barrage	3. T = 100 years
B. Pick-up weir	4. T = 50 years
C. Aqueduct (foundation)	2. T = 200 years
D. Aqueduct (waterway)	1. T = 500 years