Airport Engineering
Assertion A : Airport capacity during IFR conditions is usually less than that during VFR conditions.Reason R: During clear weather condition (VFR), the aircrafts on final approach to runway can be spaced closer during poor visibility conditions.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
Both A and R is true but R is not the correct explanation of A
A is true but R is false

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Airport Engineering
The capacity of parallel runway pattern depends upon

Weather conditions and navigational aids available
Lateral spacing between two runways and navigational aids available
Lateral spacing between two runways and weather conditions
Lateral spacing between two runways, weather conditions and navigational aids available.

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Airport Engineering
Speed of

All listed here
Sound at 0°C is called one Mach
Sound varies 2.4 kmph per degree centigrade rise in temperature
Sound at 0°C is 1190 kmph

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