38. Maximum gross take-off weight of an aircraft is__________________?

A. equal to the maximum structural landing weight
B. less than the maximum structural landing weight
C. more than the maximum structural landing weight
D. equal to the empty operating weight plus the payload
✅ The correct answer is option C.

40. The capacity of parallel runway pattern depends upon______________?

A. weather conditions and navigational aids available
B. lateral spacing between two runways and weather conditions
C. lateral spacing between two runways and navigational aids available
D. lateral spacing between two runways, weather conditions and navigational aids available
✅ The correct answer is option D.