Which of the following is also called as forward hot extrusion?
A strip with a cross-section of 150 mm × 6 mm is being rolled with 30% reduction in thickness of strip using 400 mm diameter rolls. The Roll Bite Angle (in degrees) is _____.
Which of the following statements is correct in Rolling Process ?
Which of the following metal is best suitable for extrusion either hot or cold ?
Which of the following statement is NOT correct in extrusion ?
Which of the following statements is correct regarding rolling process ?
a) The roll separating force can be reduced by using small rollers.
b) To avoid roll bending, rolls with convex chambers is used.
c) Rolling is a cold forming operation.
d) All of the above.
A 5 mm thick aluminum alloy strip is rolled to a thickness of 4 mm using steel roller of Radius 100 mm. The length of contact (in mm) is___.