| 1 | Match plate pattern is used in: (a) flat moulding (b) machine moulding (c) injection moulding (d) All of above. |
2 | Metal patterns are used for: (a) mass production of castings (b) small castings (c) very large castings (d) precision casting |
| 3 | The pattern allowance with a taper on all vertical surface is known as: (a) Mouldwall movement (b) draft (c) rapping (d) distortion. |
4 | In pattern making (casting) internal corners are round off to: (a) alleviate a weak spot (b) prevent formation of cracks (c) improve general appearance (d) allow the sand to run smoothly. |
| 5 | To allow easy removal, pattern sides in moulding have a taper of 1mm in 100mm. This taper is termed the: (a) mould taper (b) pattern set (c) draft (d) board angle |
6 | The two halves of a spilt pattern used for moulding are termed the: (a) drag and set (b) cope and top (c) cope and drag (d) bottom and drag |
| 7 | The most common wood used for pattern is: (a) mahogany (b) plywood (c) devadar (d) teak |
8 | One of the important advantage of metal patterns over wooden patterns is: (a) it is very economic (b) it is useful in machine moulding (c) it is easy to make. (d) All the above |
| 9 | A bell may cast by using the: (a) Segmental pattern (b) Skeleton pattern (c) Sweep pattern (d) none of them. |
| 1 | b | 2 | a |
| 3 | b | 4 | b |
| 5 | c | 6 | c |
| 7 | d | 8 | d |
| 9 | c |