sammmr

1. What is Trepanning?



2. which is important for drawing a gear a. base cricle b. pitch circle c. all the

above.



3. Hardenability means



4. how is rake angle measured in the drilling tool?





5. In which casting complex shapes can be made?



6. Inert gas is used in which types of welding a. tig.





7. carbon steel posses a. 0.1% to 1% of C. b. 0.5% to 0.1% of C, c. ..



8. which is superfinishing operation a . planing b-(ans). end mill, c, shaper





9. Difference between nut and screw. Ans(nut can be used in through hole)



10. What is stud.





11. which is finishing operation a. honing(ans) b. milling.



12. which is not a finishing operation.





13. lubricating greese consists of a. fatty oil, mineral oil, and additives, b. fatty ol,

soap and additives, c. minea\ral oil, soap and additives, d. minera; oil and additives.

14. In which of the following workpiece moves and tool remains stationary,

a(ans) Planing.

15. Which has multiple cutting point.



16. Seamless pipe is made by *extrusion.





17. outside thread is measured by a. plug gauge b. straingear, c. vernier.



18. what is ISO 9000 standard for quality.





19. which of the following is true for steel at elevated temperature? A. tensile

stress > compressive stress, b. compressive stress > tensile stress.

20. which pipe material is used for carrying corrosive liquid? *a. stainless steel,

b.nickel pipe, c. chromium pipe

21. For batch production of automotive components which lathe is preferred a. captive lathe, b. turret lathe, *c.CNC



22. In centreless grinding the two wheel rotates in a. same direction, *b. opp

direction

23. UCM related to threads is given by a. DIN, b. British, c. American, d. none



24. To get deep hole in less tensile strength material which drilling is preffered a. step drilling,





25. Definition of Broach?



26. in which part of the lathe the honning operation is done? A. chuck 2. lathe bed, *c. tail stock





27. ACME thread angle *22.5



28. Which diameter is kept in mind while roughing the top face of gear teeth a. pitch, b. base circle, c. addendum, d. deddendum.





29. which is ferrous material? A. inconel, *b. carbonsteel



30. lapping is used to





31. identify the multipoint cutting tool



32. Anealing affects what poperty of material





33. Astempering affects what property of material.



34. Sintered bearings are made up off





35. tapered pair bearings are used because



36. JIT means: *inventory control





37. Manometer sensitivity of a given area depends on *a. cross section area at

that point

38. Instrument should have a. high drift, b. high fredility, c. high measuring, d. poor reproduciability.



39. Dissimilar metals can be joint by a. brazing *b. welding c. soldering





40. tapering of deadend of tailstock is measured by *a. taper gauge b. sine bar, c.vernier, d. ring gauge