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.
Correct Answer
All the above.
Airport Engineering problems
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1. 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