Gents - shame on you all. Yes the guy is a Graduate of Hindi High, or Urdu U but it's you who have failed here.
The cardinal sin is not asking when you don't know, even if to you it's common dog ****.
The bigger sin is putting someone down for asking.
You all know that type ratings come in, shall we say, different forms. Get used to it, but don't put a guy down when he tries to climb above that.
Seldom,totally agree mate. I thought us oiley rags were a fraternity,everywhere I've been in the world engineers usually go out of their way to help. Some responses bordering on the nasty !