Harbour & Airport Engineering (2180602) MCQ

MCQs of Grading and Drainage

MCQ No - 1

Providing temporary storage of runoff water prior to its entry in the underground system is known as_____________

(A) Collection
(B) Ponding
(C) Interception
(D) None

B
MCQ No - 2

In a drainage design the pipe diameter and slope can be calculated using (A) Q=CIA (B) Q=A*R^2/3*S^1/2/n

(A) A only
(B) B only
(C) A and B both
(D) None

B
MCQ No - 3

In a ponding condition of drainage system the inlets are kept @ ___________m to _______m center to center

(A) 30m to 50 m
(B) 100 to 200 m
(C) 40m to 100m
(D) 60 m to 120 m

D
MCQ No - 4

The minimum diameter of storm water shall be not less than

(A) 45 cm
(B) 30 cm
(C) 15 cm
(D) 25 cm

B
MCQ No - 5

Principally to prevent the scouring in drain the minimum mean velocity shall be

(A) 7.5 m/sec
(B) 0.57 m/sec
(C) 0.75 m/sec
(D) 0.075 m/sec

C