## Airport Engineering Speed of

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

## Airport Engineering For the taxiways, the following statement is true

All listed here
The maximum longitudinal grade is 3%
The permissible rate of change of grade is 1%
The permissible transverse grade is 1.5%

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

## 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:

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

## Airport Engineering The lift off distance is the distance along the centre of the runway between the starting point and

End of stop-way
End of the runway
Point where air craft becomes air borne
Point where air craft attains a height of 10.7 m