MCQOPTIONS
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| 1. |
Which of the following are employed in shell moulding? 1. Resin binder 2. Metal pattern 3; Heating coils Select the correct answer using the code given below: |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» E. | |