As compared to wall type breakwater, mound type breakwater_________________?
		A. requires skilled labour
B. requires low maintenance cost
C. requires less material
D. results in less damage due to gradual failure
		A. requires skilled labour
B. requires low maintenance cost
C. requires less material
D. results in less damage due to gradual failure
		A. Manoeuvring lane + 2 x Bank clearance lane
B. 2 x Manoeuvring lane + 2 x Bank clearance lane
C. 2 x Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane
D. Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane
		Select your answer based on the coding system given below?
A. Both A and R are true and R is correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true
		Select your answer based on the coding system given below
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true
		Select your answer based on the coding system given below.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
		A. 2.073 m
B. 8.169 m
C. 9.144 m
D. 6.8 m
		(i) The Beaufort number ranges from 1 to 12.
(ii) Higher Beaufort number indicates higher speed of wind,
(iii) Beaufort number for calm is smallest and for hurricane is highest 
select the correct statments.
A. (i) and (ii) are correct
B. (ii) and (iii) are correct
C. (i) and (iii) are correct
D. (i), (ii) and (iii) are correct