Airport Engineering
The width and interval of transverse centre line bars along the extended centre line of runway, in approach lighting system are

4.2 m and 50 m
4.2 m and 30 m
3 m and 45 m
3 m and 30 m

ANSWER DOWNLOAD EXAMIANS APP

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 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
Ends of the runway

ANSWER DOWNLOAD EXAMIANS APP