whether primavera is used by mechanical engg?

Question

where prima vera is used,whether it can be used by mechanical engg,whether it has any level for doing coures,where it can be done,what is future of course,what is the position we get in the company

Answer 1

That is 6 questions for only -5 points.....! ;-)
But Primavera is widely used, also in mechanical engineering, and some job advertisements actually ask for it. like this one
http://engineerjobs.com/view_job.php?jobid=34860
and
http://www.thinkenergygroup.com/think.nsf/JONumAlpha/39877?OpenDocument&frm=EngJobs
Suggest you start here for learning more:
http://www.primavera.com/services/training.asp