Mechanical engineering project?

Hi CEians~ I've been looking throughout the internet for Dynamic Simulation tutrials but have failed to find 1. can anyone plz send me some links for me to learn more...

Me with my two friends went for a dinner ..we paid 75 rs as a bill but manager gives us a concession of 5 rs.out of which 2 rs are...

2 ph 440v pri & 240v 1ph sec control transformer. my ? is if pri is 2 ph how sec hav nuetral with 0v (grouded)

I am a word with 3 to 7 letters.I am plural. If you add 's' at my end ,I will be singular.I mean 'of great stature' can you find me?...

While giant mobile outfit America Movil, Mexican tycoon Carlo Slim Helu beats Americans Bill Gates and Warren Buffett to become the wealthiest person on earth, Asian billionaires including India's Mukesh...