# Multiple Choice Questions on Airport Engineering – Set 05

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## Q1. Pick up the correct statement from the following:

(A) The centre line of the approach area coincides with that of the runway
(B) Approach areas are measured in horizontal surfaces
(C) Obstruction clearance surface and approach surface are same
(D) All the above

## Q2. According to the International Civil Aviation Organization (I.C.A.O.), the runway lengths of aerodromes, have been coded by

(A) Seven English alphabets
(B) Last Seven English alphabets
(C) First Seven English alphabets
(D) First seven natural numbers

## Q3. Pick up the incorrect statement from the following:

(A) L.O.M. is installed at 7.2 km from the threshold
(B) L.M.M. is installed at 1.0 km from the threshold
(C) Localizer antenna is installed at 300 m from the other end of the runway
(D) Glide slope antenna is installed at the centre of the runway about 150 m on one side

Answer: (D) Glide slope antenna is installed at the centre of the runway about 150 m on one side

(A) Black
(B) Red
(C) Yellow
(D) Green

## Q5. Pick up the correct statement from the following:

(A) The distance between the points of intersection of the extreme tangents to the transition curve is kept greater than 7500 m × sum of grade changes at the point of intersection
(B) The rate of change of grade is limited to 0.3% per 30 m length of the curve
(C) According to I.C.A.O. the maximum longitudinal gradient along a runway is limited to 1.5%
(D) All the above

(A) Zero
(B) 300
(C) 3000
(D) Unrestricted

(A) 1 : 2
(B) 1 : 5
(C) 1 : 8
(D) 1 : 40

## Q8. The runway orientation is made so that landing and takeoff are

(A) Against the wind direction
(B) Along the wind direction
(C) Perpendicular to wind direction
(D) None of these

Answer: (A) Against the wind direction

## Q9. Effective length of a runway is the distance between

(A) Ends of the runway
(B) Point of intersection of the obstruction clearance line and the extended plane of the runway surface, and the other end of the runway
(C) Point of intersection of the glide path and the extended plane of the runway surface and the other end of the runway
(D) Ends of the clear way on either side

Answer: (B) Point of intersection of the obstruction clearance line and the extended plane of the runway surface, and the other end of the runway

(A) 145 m
(B) 152.5 m
(C) 162.5 m
(D) 172.5 m

(A) 1 in 4
(B) 1 in 5
(C) 1 in 6
(D) 1 in 7

## Q12. Consider the following statements: Wind rose diagram is used for the purposes of

1. Runway orientation
2. Estimating the runway capacity
3. Geometric design of holding apron of these statements

(A) 1 and 2 are correct
(B) 2 and 3 are correct
(C) 1 and 3 are correct
(D) 1 alone is correct

Answer: (D) 1 alone is correct

(A) 1 m
(B) 3 m
(C) 4 m
(D) 5 m

## Q14. The depressions and undulations in the pavement, are caused due to

(B) Impact of heavy wheel loads
(C) Punching effect
(D) All the above

(A) 2360 m
(B) 2460 m
(C) 2560 m
(D) 2660 m