2. Pick up the correct statement from the following:
Options
A. The basic length of a runway is increased at a rate of 7% per 300 m of elevation of M.S.L.
B. The standard temperature at the site is obtained by reducing the standard sea level temperature of 15°C at the rate of 6.5°C per 1000 m rise in elevation
C. The aerodrome reference temperature is the monthly mean of the mean daily temperature for the hottest month of the year
3. The landing and take off of the air craft is made against the direction of wind. In no case the centre line of the runway should make an angle with the wind direction exceeding
7. The distance between main gears is 10 m, and the distance of nose gear from centre of main gears is 30 m. If the angle of turning is 60°, the distance of centre of rotation from the nearer main gear, is