Placement Paper

Ongc exam held on 4th Nov 2012 for mechanical engg was with very typical questions in comparison to previous year. some question of mech. are as follow.

1. regarding contact ratio

2. condenser vacuum calcutation

3. ozone friendly refrigerant

4. grinding wheel diameter effect on machining finess or coarseness

5. calculate cop of refrig

6. check possibility of heat engine

7.question for calculate force due impact of jet on plate

8.NTU

9. one quest on critical radioua of cylinder cable and refrig/condensr

10 gas turbine works on which cycle

11. to avoid interference pressure angle should +/-

12. one ques on manometer

13. natural frequency find when damping factor given

14. carburising flame for low carbon steel/cu

15.efficiency of reheat and regenertion cycle

16. curtis turbine pressure/velocity compounded

17.specific speed of turbine numerical

18.axial flow turbine, pelton

19. torsion shaft design on which therory
20.acceleration of potential flow when velo vector given
21. check type of flow when given u, v componet of velo
22. wht do mean 50tone press