General Design For Manufacturability MCQs

1. Which material is the mold in plaster mold casting made of?

2. Which method is used for the production of gear using generation process?

3. A _____________ is a thermoforming mold having a convex shape.

4. In the context of computer graphics, WCS stands for:

5. Which design characteristics are easy to achieve by pressing and sintering of metal powders?

6. Die casting involves usage of which metals?

7. The ____________ process is a type of fusion welding.

8. Another name for indirect extrusion is ______.

9. Sheet metal working operations are mainly carried out as:

10. Which powder shape is likely to have the lowest interparticle friction?

11. A ______ is an irregularity in the metal casting process that must be corrected or removed or the casting must be rejected.

12. Identify the soldering methods that are NOT applied with brazing.

13. Which process can be carried out using CNC equipment?

14. Which is NOT a manufacturing requirement?

15. Which machine tool is used in sheet metal working?

16. Which processe is/are used to produce cold-finished steel from hot-rolled material?

17. Which casting method is followed for creating dental crowns?

18. __________ means that factors relating to the product after it has been manufactured should be taken into consideration in design.

19. In a machining operation, the metal is removed by:

20. Which is type of forging operation?

21. The acronym DTP stands for ______

22. Which casting metal is most important economically?

23. Which is major components of a CNC machine?

24. The process of verifying a product's speed, consumption and reliability is called

25. In CAD, polar coordinates are adopted for drawing which of the following?

26. Which way can be used in product designing so that they can be less environmentally damaging and less costly to produce?

27. In the context of the metal stamping process, which operation produce one or more plane surfaces that are at an angle to the original or flat plane of the blank?

28. A feeler gauge is a tool which is used to measure:

29. Identify the advantages of sand castings over die castings from the points given below.

30. A heat source of ______________ is the most appropriate to melt the weld metal by supplying least amount of energy.

31. Which is the most complex of all stamping dies?

32. A riser that is completely contained in the metal casting mold is called:

33. Which tool is used in steel hot rolling of plate?

34. The DFA(Design for Assembly) index is given as:

35. The __________ process is known to achieve the highest material removal rate.

36. Carburizing incorporates which one of the following?

37. Which is NOT an equipment used for abrasive blasting?

38. Which constitute the principal methods of applying powder coatings?

39. The number of points essential to define the rectangle command in CAD is:

40. Which stress parameter is used to calculate the maximum force in a forging operations?

41. The _______________ process uses mechanical energy as its main energy source.

42. The minimum temperature used in the plasma arc cutting process is:

43. Objects joined together by way of adhesive bonding are called:

44. Which correspond to the etch factor in chemical machining? Here, S = specific removal rate, C = depth of cut, I = current, T = time, and U = undercut.

45. Which describe the relationship between packing factor and porosity in the case of metallic powder?

46. Which kind of defects can occur during the injection molding process?

47. Which operation is carried out in sand casting once the casting is removed from the mold?

48. Which is the most commonly employed casting process?

49. Which does NOT determine the quality of a product during manufacturing?

50. Which is a high-energy-rate forming process?

51. Another name for the calorizing process is:

52. Which rapid prototyping technology uses solid sheet stock as the introductory material?

53. Spring index should have a value above ______ and below ______.

54. Which fact is true regarding the V/A ratios of the riser and the casting in a sand casting mold?

55. Which is geometric modeling schemes used in CAD systems?

56. Which machine is appropriate for cutting large diameter holes, holes with very close tolerance, and to do shaped holes?

57. Which product is produced by extrusion?

58. Which is alternative names for thermal spraying?

59. A jig differs from a fixture in that it ______ while a fixture does not.

60. Which type of material is NOT suitable for stamping?

61. Hard facing utilizes which basic process?

62. In analyzing alternate methods for producing a product, design and manufacturing engineers are faced with cost variables that relate to ______.

63. Groove weld is related to which joint type?

64. Which formula help to determine the minimum form height for sheet metal use if D, T and R are given as minimum distance, material thickness and bend radius respectively?

65. Which is NOT one of the steps involved in the powder metallurgy process?

66. Which metal is used to make solder alloys?

67. Which chemical is associated with alkaline cleaning?

68. Which application is associated with open-die forging?

69. ______ is an approach used in product development in which functions of design engineering, manufacturing engineering and other functions are integrated to reduce the elapsed time required to bring a new product to the market.

70. Scaling objects in CAD makes them:

71. Which factor affect the tool life of a cutting tool?

72. In CAD, which direction is chosen to begin measurement of angles?

73. Which is one of the main component of an injection molding machine?

74. Alpha symmetry is the rotational symmetry of a part about:

75. Which constitute guideline laid down for Design for Manufacturing and Assembly?

76. In which plastic shaping process is parison formed?

77. In which field is computer graphics applied?

78. A/An _____________ is a document that accounts for the output of production and tracing the sequence of operations of a batch of manufactured components

79. ____________ is another name for investment casting.