Q1. Which one is the non-geometrical defect:
(a) Underfill (b) Laps and Folds (c) Overfills (d) Flakes
Q2. The defect caused due to the sharp edges of the die protruding against the billet:
(a) Buckling defect (b) Shearing defect (c) Cold Shut (d) Underfill
Q3. The underfill defect can be avoided by:
(a) Using over-sized billet (b) Using under-sized billet (c) Using billet of the same volume as that of the die cavity (d) All of These
Q4. The material comes out of the die cavity in which of the following defect:
(a) Underfills (b) Buckling (c) Shearing (d) Overfills
Q5. The defect caused due to the improper cleaning of the billet work surface:
(a) Scales and Pits (b) Flakes (c) Shearing (d) Buckling
Q6. The part produce possessing shearing defect has good surface finish:
(a) True (b) False
Q7. The buckling defect can be avoided by considering proper billet design:
Q8. The defect caused due to improper die design is a non-geometrical defect:
Q9. The defect in which the flash is observed is the overfilled defect:
Q10. . It is recommended to preheat the billet at suitable plastic temperature for avoiding the under filled defect produce due to improper billet size: