Airport Engineering
Assertion A : The ratio of arriving and departing aircrafts influences the airport capacity:Reason R : Landing operation is generally given priority over the taking off operation.Select your answer based on the coding system given below:

A is false but R is true
Both A and R is true and R is the correct explanation of A
A is true but R is false
Both A and R is true and R is not the correct explanation of A

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Airport Engineering
Consider the following statements regarding ICAO recommendation for correction to basic runway length of these statements
1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level.
2. The basic runway length after having been corrected for elevation should be further increased at the rate of 1 percent for every 1°C rise in airport reference temperature above the standard atmospheric temperature at that elevation.
3. The runway length after having been corrected for elevation and temperature should be further increased at the rate of 20% for every 1 percent of effective gradient.

2 and 3 are correct
1, 2 and 3 are correct
1 and 3 are correct
1 and 2 are correct

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Airport Engineering
Effective length of a runway is the distance between

Point of intersection of the obstruction clearance line and the extended plane of the runway surface, and the other end of the runway
Ends of the runway
Ends of the clear way on either side
Point of intersection of the glide path and the extended plane of the runway surface and the other end of the runway

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