In an airport, if 4 groups of 5 gates each located well separated are considered for traffic and the future to present traffic ratio is 3, then the total requirement of future gates will be

As per ICAO recommendation, minimum width of safety area for instrumental runway should be

A. 78 m

B. 150 m

C. 300 m

D. 450 m

To cope up high temperature of 196°C, the taxi ways and aprons are constructed with

A. Asphaltic concrete

B. Rubberised tar concrete

C. Plain concrete

D. All the above

Effective length of a runway is the distance between

A. Ends of the runway

B. Point of intersection of the obstruction clearance line and the extended plane of the runway surface, and the other end of the runway

C. Point of intersection of the glide path and the extended plane of the runway surface and the other end of the runway

D. Ends of the clear way on either side

The size of landing area for multi engine helicopters operating under 1 FR conditions is

A. 22.5 m × 22.5 m

B. 30 m × 30 m

C. 22.5 m × 30 m

D. 60 m × 120 m