Which of the following materials are used for making patterns in investment casting method? 1. Wax 2. Rubber 3. Wood 4. Plastic Select the correct answer using the code given below: Code:

Which of the following materials are used for making patterns in inves

1.	Which of the following materials are used for making patterns in investment casting method? 1. Wax 2. Rubber 3. Wood 4. Plastic Select the correct answer using the code given below: Code:
A.	Only 1 and 3
B.	Only 2 and 3
C.	Only 1, 2 and 4
D.	Only 2, 3 and 4
Answer» D. Only 2, 3 and 4

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Which of the following materials are used for making patterns in investment casting method? 1. Wax 2. Rubber 3. Wood 4. Plastic Select the correct answer using the code given below: Code:

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