SELF CHECK QUIZ - FORGING DEFECTS

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:

(a)  True   (b)  False



Q8. The defect caused due to improper die design is a non-geometrical defect:

(a)  True   (b)  False



Q9. The defect in which the flash is observed is the overfilled defect:

(a)  True   (b)  False



Q10. . It is recommended to preheat the billet at suitable plastic temperature for avoiding the under filled defect produce due to improper billet size:

(a)  True   (b)  False