SELF CHECK QUIZ - STRETCH FORMING

Q1. What is Stretch Forming ?

(a)   Process of forming various metals into special shapes with special equipment & die
(b)   Process of pulling work piece through conical dies
(c)   Process to reducing the cross-section work piece
(d)   All of the above



Q2. Application of stretch forming is _______:

(a)   Aircraft & aerospace components   (b)  Car manufacturing   (c)  Tool Manufacturing   (d)  None of these



Q3. What shapes can be formed by stretch forming ?

(a)  Angles   (b)  Sheet and tubular shapes   (c)  Beams   (d)  Both (a) and (b)



Q4. What metals can be formed by stretch forming ?

(a)  Aluminium   (b)  Stainless   (c)  Nickel based steels   (d)  Titanium



Q5. Bending is better because ________ :

(a)   Minimumbend radius is generally 2-3 times greater than other forming/bending methods
(b)   Minimumbend radius is generally 4-6 times greater than other forming/bending methods
(c)   Minimumbend radius is generally 1-6 times greater than other forming/bending methods
(d)   Minimumbend radius is generally 6-8 times greater than other forming/bending methods



Q6. What is the maximum bend radius ?

(a)  Unlimited (b)  Depend upon the dies (c)  30 cm (d)  60 cm



Q7. Surface distortion is ________:

(a)  Minimum (b)  Maximum (c)  Unlimited (d)  None of These



Q8. Arms can move only ______:

(a)  180oC (b)  90oC (c)  270oC (d)  360oC



Q9. Non-symmetric profiles can formed:

(a)  Readily without twist   (b)  Readily with twist   (c)  Do not formed   (d)  None of these



Q10. Stretch forming is performed:

(a)  On a stretch press   (b)  Reducer roll press   (c)  Hydraulic press   (d)  Mechanical press