GATE ME 2014 Set 2 — Question 35

MCQ+1 / -0.33MediumRolling (Load & Torque)FormingManufacturing ProcessesExtrusion & Drawing

Manufacturing Processes → Forming → Extrusion & Drawing

Last updated 5 September 2026

Question

With respect to metal working, match Group A with Group B: Group A Group B P: Defect in extrusion I: alligatoring Q: Defect in rolling II: scab R: Product of skew rolling III: fish tail S: Product of rolling through cluster mill IV: seamless tube V: thin sheet with tight tolerance VI: semi-finished balls of ball bearing

Group A	Group B
P: Defect in extrusion	I: alligatoring
Q: Defect in rolling	II: scab
R: Product of skew rolling	III: fish tail
S: Product of rolling through cluster mill	IV: seamless tube
	V: thin sheet with tight tolerance
	VI: semi-finished balls of ball bearing

Correct answer (B) P-III, Q-I, R-VI, S-V Solution The correct matches are: P: Defect in extrusion is III: fish tail (also known as pipe defect). Q: Defect in rolling is I: alligatoring (splitting of the slab along its thickness). R: Product of skew rolling is VI: semi-finished balls of ball bearing (Mannesmann process variant). S: Product of rolling through cluster mill is V: thin sheet with tight tolerance (Sendzimir mill is a common cluster mill used for very thin foils). Thus, the match is P-III, Q-I, R-VI, S-V, which corresponds to option (B). Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (B) P-III, Q-I, R-VI, S-V Solution The correct matches are: P: Defect in extrusion is III: fish tail (also known as pipe defect). Q: Defect in rolling is I: alligatoring (splitting of the slab along its thickness). R: Product of skew rolling is VI: semi-finished balls of ball bearing (Mannesmann process variant). S: Product of rolling through cluster mill is V: thin sheet with tight tolerance (Sendzimir mill is a common cluster mill used for very thin foils). Thus, the match is P-III, Q-I, R-VI, S-V, which corresponds to option (B).

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