Railway and Airport Engineering (3170619) MCQs

MCQs of Unit 2 : Deign of drainage

Showing 1 to 0 out of 10 Questions
1.
Basic requirements of an airport drainage (1) Rapid drainage with sufficient capacity (2) Structural strength and safety (3) Capability of expansion (4) All above
(a) (1) and (2)
(b) (1) and (3)
(c) (2) and (3)
(d) (1), (2), (3) and (4)
Answer:

Option (d)

2.
Is a graphical representation of the amount of earth excavation and embankment involved in a project and the manner in which the earth is to be moved
(a) Mass curve
(b) Mass haul curve
(c) Lead and lift
(d) None
Answer:

Option (b)

3.
Airport drainage system serves functions
(a) Removal of surface runoff from airfield
(b) Interception and diversion of surface and ground water flow
(c) Lowering of subsurface water level
(d) All the above
Answer:

Option (d)

4.
The runoff can be estimate by (A) Q= CIA (B) Q=AR^2/3S^1/2/n
(a) A-true
(b) B-True
(c) A and B true
(d) Both wrong
Answer:

Option (a)

5.
The granular material which is used as a back fill in the trenches where sub drains are placed
(a) Filter media
(b) Filter paper
(c) Filteration
(d) Flocculation
Answer:

Option (a)

6.
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
Answer:

Option (c)

7.
The minimum diameter of storm water shall be not less than
(a) 45 cm
(b) 30 cm
(c) 15 cm
(d) 25 cm
Answer:

Option (b)

8.
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
Answer:

Option (d)

9.
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
Answer:

Option (b)

10.
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
Answer:

Option (b)

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