From the end of an instrumental runway, the approach surface rises outwards 1 in

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Question
From the end of an instrumental runway, the approach surface rises outwards
Options
A. 1 in 20
B. 1 in 30
C. 1 in 40
D. 1 in 50

Correct Answer

1 in 50

Airport Engineering problems

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1. The meterological condition which influences the size and location of an air port is
Options
A. atmosphere pressure
B. air density
C. reduced level
D. wind direction
E. all the above.

2. To cope up high temperature of 196�C, the taxi ways and aprons are constructed with
Options
A. asphaltic concrete
B. rubberised tar concrete
C. plain concrete
D. epoxy asphalt concrete
E. all the above.

3. Pick up the correct statement from the following:
Options
A. The distance between the points of intersection of the extreme tangents to the transition curve is kept greater than 7500 m x 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.

4. Pick up the correct statement from the following:
Options
A. Air screw converts the energy given by the engine into speed
B. The propellers which are driven by turbine engines, are technically called turboprops
C. The aircrafts which obtain the thrust directly from turbine engine, are called turbo-jets
D. The aircraft which is filled with a fan infront of turbo-jet engine, is called turbofan propelled aeroplane
E. All the above.

5. The depressions and undulations in the pavement, are caused due to
Options
A. improper compaction of subgrade
B. impact of heavy wheel loads
C. punching effect
D. flexible gears
E. all the above.

8. The coordinates of the ends of a runway are (5000, 5000) and (8000, 7000). The co-ordinates of an other runway are (4600, 5100) and (7000, 5300). The co-ordinates of the A.R.P. are
Options
A. (6500, 6000)
B. (5800, 5200)
C. (61500, 5600)
D. (8000, 7000)

9. Pick up the correct statement from the following:
Options
A. Approach zone survey is carried out to determine the elevations of the protruding obstructions above horizontal, conical and transitional surfaces
B. The wind data of an air port is depicted in the form of a chart known as wind rose
C. The landing and take off of the air craft is made against the wind direction
D. The product of wind loading and power loading is called air craft rating
E. All the above.

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