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