![An opening roller in blowroom with 100 cm length, 38 cm diameter and 2 teeth per cm2 is rotating at an angular velocity of 400 rpm to deliver fibre tufts](https://www.gkseries.com/blog/wp-content/uploads/2023/09/An-opening-roller-in-blowroom-with-100-cm-length-38-cm-diameter-and-2-teeth-per-cm2-is-rotating-at-an-angular-velocity-of-400-rpm-to-deliver-fibre-tufts.jpg)
Q. An opening roller in blowroom with 100 cm length, 38 cm diameter and 2 teeth per cm2 is rotating at an angular velocity of 400 rpm to deliver fibre tufts at a production rate of 500 kg/h. The intensity of opening (fibre mass in mg per tooth) of the opening roller approximately is
(A) 0.44
(B) 0.87
(C) 1.74
(D) 2.74
Ans: 0.87