yes the mixture one is the exaxct wording!!
A nice typical,fair,CAA type question id say!!!
Chintito,
Your Q2 referred to what happens to the temperature and velocity of air as it passes through the diffusor of a CF compressor......... In which case i would say:
V Decreases and T Increases P Increases too
Had it not mentioned the word diffusor then i would have gone for the
V inc T inc P inc
Chintitos q's
1.A
2.
3.D
4.B
5.B although the answers werent as straight forward as that........answers in the region of Secondary heat exchanger and turbinbe
6.B
1:1/15:1 expressed as :one to one fifteenth to one!! Stupid i know.......but im sure i could remember oxford mentioning this question on my brush up course......that is the chemically correct mixture for a piston engine......wether it will give max EGT is another issue!!!
6.