Q93
A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?
A.
The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction
B.
The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction
AnswerC.
The bottom and middle roll rotate in the same direction
D.
Any one of the above
Answer: Option B
Solution
Answer: Option B
Solution:
A three high rolling mill consists of three rolls placed one above the other and the upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction