Q63
Match the casting defects in Group 1 with cause given in Group 2. Group 1 Group 2 P. Hot tear 1. Insufficient melt superheat Q. Misrun 2. High residual stresses R. Blister 3. Improper venting S. Rat tail 4. Expansion of sand
Match the casting defects in Group 1 with cause given in Group 2.
| Group 1 | Group 2 |
| P. Hot tear | 1. Insufficient melt superheat |
| Q. Misrun | 2. High residual stresses |
| R. Blister | 3. Improper venting |
| S. Rat tail | 4. Expansion of sand |
A.
P-1, Q-2, R-3, S-4
B.
P-3, Q-4, R-1, S-2
C.
P-4, Q-3, R-2, S-1
D.
P-2, Q-1, R-3, S-4
AnswerAnswer: Option D
Solution
Answer: Option D
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