(i) and (ii) are correct

(ii) and (iii) are correct

(i) and (iii) are correct

(i), (ii) and (iii) are correct

2.073 m

8.169 m

9.144 m

6.8 m

Manoeuvring lane + 2 x Bank clearance lane

2 x Manoeuvring lane + 2 x Bank clearance lane

2 x Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane

Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane

B or 30 m

1.5 B or 50 m

1.5 B

50 m

The progress of work in low level method of mound construction is very slow.

Barge method of mound construction is economical.

In low level method of mound construction, the area of working is limited.

In staging method of mound cons-truction, the work is not interrupted even during stormy weather.