GATE ME · 2021 · ME
Question 40: Casting, Forming and Joining Processes
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Question 40
MENAT2 marksNeeds review
A 200 mm wide plate having a thickness of 20 mm is fed through a rolling mill with two rolls. The radius of each roll is 300 mm. The plate thickness is to be reduced to 18 mm in one pass using a roll speed of 50 rpm. The strength coefficient (
) of the work material flow curve is 300 MPa and the strain hardening exponent,
is 0.2. The coefficient of friction between the rolls and the plate is 0.1. If the friction is sufficient to permit the rolling operation then the roll force will be ______ kN (round off to the nearest integer).Log in to check the answer
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2021ME
GATE ME 2021 · Paper 1
Mechanical Engineering · Original paper archive
- Section
- Mechanical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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