CASTING METHOD-MANUFACTURING MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

CASTING METHOD-MANUFACTURING

MULTIPLE CHOICE QUESTIONS

(MCQ) WITH ANSWERS

MCQ are helpful in understanding

in depth. Further it increases

degree of clarity. Casting is

manufacturing process of

making objects using molten

metals and non-metals. There

are many types of casting

methods. Each has its own

practical application. Each

method has its own

advantages and disadvantages.

 

1.  Casting produces objects made from

1. Ferrous materials

2. Non-ferrous materials

3. Both (a) & (b)

4. None

ANS: (c)

2. Casting process has a limitation on

1. Size of the component

2. Weight of the component

3. Both (a) & (b)

4. None

ANS: (d)

3. Limitations in sand castings are on

1. Dimensional accuracy

2. Surface finish

3. Both (a) & (b)

4. None

ANS: (c)

4. In which methods, there are no limitations on dimensional accuracy and surface finish?

1. Die casting and investment casting processes

2. Vacuum sealed molding & shell molding processes

3. Both (a) & (b)

4. None

ANS: (c)

5. In a three piece mold, the names of the parts are

1. Flask, Sprue & choke

2. Drag, cope and flask

3. Drag, cheek &cope

4. None

ANS: (c)

6. The uppermost part of a three piece mold is

1. Cope

2. Cheek

3. Drag

4. None

ANS: (c)

7. The lowermost part of a three piece mold is

1. Cope

2. Cheek

3. Drag

4. None

ANS: (a)

8. The middle part of a three piece mold is

1. Cope

2. Cheek

3. Drag

4. None

ANS: (b)

9. The flask in a three piece molding is

1. Drag +Cope

2. Drag +Cheek

3. Cheek +Cope

4. None

ANS: (d)

10. The flask in a three piece molding is

1. Drag +Cope + Cope

2. Drag –Cheek–Cope

3. Both (a) & (b)

4. None

ANS: (a)

11. Use of Facing sand is for

1. Making a mold

2. Material put on the inner surface of the mold cavity

3. Material put on the outer surface of the mold cavity

4. None

ANS: (b)

12. Molding sand is a mixture of

1. Silica sand +clay +moisture

2. Silica sand+ moisture

3. Clay +moisture

4. None

ANS: (a)

13. The Sprue in a casting method is a passage through which

1. Liquid from the pouring basin goes to mold cavity

2. Gives excess of liquid poured into the mold

3. Both (a) & (b)

4. None

ANS: (a)

14. The riser in a casting process contains liquid which it supplies to the

1. Mold cavity for making the casting

2. Gap created by shrinkage on solidification liquid in the mold cavity

3. Both (a) & (b)

4. None

ANS: (b)

15. The Core is a separate piece in a casting process placed

1. Outside the mold cavity

2. Inside the mold cavity

3. Both outside and inside the mold cavity

4. None

ANS: (b)

16. The Core is a separate piece in a casting process produces

1. Solid castings

2. Hollow castings

3. Both solid and hollow castings

4. None

ANS: (b)

17. The mold cavity which contains the liquid metal is a

1. Negative of the desired product

2. Positive of the desired product

3. Both (a) &(b)

4. None

ANS: (a)

18. Cleaning of the casting means removal of

1. Sand and scale

2.  Scale, sand and excess metal

3.  Sand and excess metal

4. None

ANS: (b)

19. A pattern is always

1. Smaller than the final casted product

2. Larger than the final casted product

3. Equal to the final casted product

4. None

ANS: (b)

20. Liquid shrinkage in a casting process is

1. Change in volume when liquid solidify into a solid

2. Change of a solid into a liquid on melting

3. Both (a) & (b)

4. None

ANS: (a)

21. Solid shrinkage in a casting process is

1. Change in volume on solidification of liquid

2. Change in volume of solid on cooling from solidification temperature to room temperature

3. Both (a) & (b)

4. None

ANS: (b)

22. The solid shrinkage rule for cast iron is

1. Firstly             (1/8”) in 1 inch

2. Secondly        (1/8”) in 6 inches

3. Thirdly           (1/8”) in 12 inches

4. None

ANS: (c)

23. If the coefficient thermal expansion is more, then the shrinkage allowance will be

1. More

2. Less

3. Zero

4. None

ANS: (a)

24. Draft allowance is related to the

1. Placing of pattern in the sand

2. Removal of pattern from the mold

3. Both (a) & (b)

4. None

ANS: (b)

25. Distortion allowance (Camber) is provided on the

1. Horizontal sides of the pattern

2. Vertical sides of the pattern

3. Both horizontal & vertical sides of the pattern

4. None

ANS: (b)

26. Can Casting produce  tapered holes and tapered slots?

1. No

2. Yes

3. Can’t say

4. None

ANS: (b)

27. In a casting process, chaplets support

1. Mold

2. Pattern

3. Core

4. None

ANS: (c)

28. Expendable casting method uses

1. Single use molds

2. Multiple use molds

3. Both single & multiple use molds

4. None

ANS: (a)

29. Expendable casting methods include

1. Plaster casting, Investment casting & shell casting

2. Pressure casting, die casting, centrifugal casting

3. Both (a) AND (b)

4. None

ANS: (a)

30. Casting methods using multi-usable molds are

1. Plaster casting & investment casting

2. Die casting and centrifugal casting

3. Both (a) & (b)

4. None

ANS: (b)

31.  Expandable casting method uses materials having

1. Low melting points

2. High melting points

3. Medium melting points

4. None

ANS: (b)

32. Multiuse mold casting method use substances having

1. Low melting points

2. High melting points

3. Medium melting points

4. None

ANS: (a)

33. Centrifugal casting produces

1. Chairs

2. Tables

3. Boxes

4. None

ANS: (d)

34. Centrifugal casting produces

1. Wires

2. Rods

3. Pipes

4. None

ANS: (c)

35. Centrifugal casting uses a

1. Sand mold

2. Wax mold

3. Metallic mold

4. None

ANS: (c)

36. Investment casting uses a

1. Metallic pattern

2. Wax pattern

3. Wax pattern coated with refractory ceramic material

4. None

ANS: (c)

37. Investment casting produces

1. Gears, cams & dental fixtures

2. Pipes, cylinders & rods

3. Both (a) & (b)

4. None

ANS: (a)

38. Die casting process uses

1. High pressure

2. Low pressure

3. No pressure

4. None

ANS: (a)

39. Die casting is suitable for

1. Steels & cast iron

2. Copper & aluminum

3. Both (a) & (b)

4. None

ANS: (b)

40. Die casting molds use

1. Low carbon steel

2. High carbon steel

3. Hardened tool steel

4. None

ANS: (c)

41. Die casting produces castings on a

1.  Small scale

2.  Medium scale

3.  Large scale

4. None

ANS: (c)

42. In die casting, mold cavity is a

1. Single piece

2. Two piece

3. Multi-piece

4. None

ANS: (b)

43. Use of Die casting is for

1. Small & medium size castings

2. Medium and large size castings

3. Both (a) & (b)

4. None

ANS: (a)

44. In die casting, dimensional accuracy is

1. Poor

2. Good

3. Excellent

4. None

ANS: (c)

45. Die casting suits for metals having

1. Low fluidity

2. High fluidity

3. Medium fluidity

4. None

ANS: (b)

46. Metals used in die casting are

1. Soft

2. Medium hard

3. Very hard

4. None

ANS: (a)

47. Weigh of die casting varies between

1. Firstly           30 g to 10 kg

2. Secondly      30 g to 40 kg

3. Thirdly          30 g to 80 kg

4. None

ANS: (c)

48. Die casting reduces

1. Primary machining operations

2. Secondary machining operations

3. Both (a) & (b)

4. None

ANS: (b)

49. Plaster casting gives

1. Rough surface

2. Smooth surface

3. Highly smooth surface

4. None

ANS: (c)

50. Plaster casting produces

1. Simple shapes with thin walls

2. Complex shapes with thin walls

3. Medium shapes with thin walls

4. None

ANS: (b)

51. Pattern used in plaster casting is

1. Coated with adhesive

2. Coated with anti-adhesive

3. Without coating

4. None

ANS: (b)

52. Plaster casting suits for

1. Steels and steel alloys

2. Copper & aluminum alloys

3. Cast iron & tool steels

4. None

ANS: (b)

https://mesubjects.net/wp-admin/post.php?post=14469&action=edit      MCQ GAS WELDING

https://mesubjects.net/wp-admin/post.php?post=14492&action=edit     MCQ PATTERNS (CAST)