Airport Engineering
In Instrumental landing system, the middle markers are located

Along the extended centre line of runway end
At the runway threshold
About 7 km. ahead of the runway threshold
About 1 km. ahead of the runway threshold

ANSWER DOWNLOAD EXAMIANS APP

Airport Engineering
Speed of

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

ANSWER DOWNLOAD EXAMIANS APP