Q39
Match the defects in Group 1 with possible causes in Group 2. Group 1 Group 2 P. Misruns 1. Sand expansion Q. Shifts 2. Molding materials R. Blowholes 3. Improper heating of metals S. Scabs 4. Molding and core making
Match the defects in Group 1 with possible causes in Group 2.
| Group 1 | Group 2 |
| P. Misruns | 1. Sand expansion |
| Q. Shifts | 2. Molding materials |
| R. Blowholes | 3. Improper heating of metals |
| S. Scabs | 4. Molding and core making |
A.
P-3, Q-4, R-2, S-1
AnswerB.
P-1, Q-2, R-3, S-4
C.
P-4, Q-3, R-2, S-1
D.
P-2, Q-1, R-4, S-3
Answer: Option A
Solution
Answer: Option A
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