Question

Consider the following statements :Wind rose diagram is used for the purpose of1. runway orientation.2. estimating the runway capacity3. geometric design of holding apron.Of these statements :A. 1 and 2 are correct B. 2 and 3 are correct C. 1 and 3 are correct D. 1 alone is correct

Answer 1

wind rose diagrams are related to wind direction and speed.

They may be considered in runway orientation.  May be also for the geometric design of the holding apron - parking space.. 
so answer is one of the two  C   or    D .