Length of the husking zone in a rubber roll paddy dehusker, having $d$ as roll diameter, $c$ as clearance between the rolls, and $b$ as grain thickness, is
(A) $\frac{\pi d}{360} \cos ^{-1}\left(\frac{d+c}{d+b}\right)$
(B) $\frac{\pi d}{180} \cos ^{-1}\left(\frac{d+c}{d+b}\right)$
(C) $\frac{\pi d}{360} \sin ^{-1}\left(\frac{d+c}{d+b}\right)$
(D) $\frac{\pi d}{180} \sin ^{-1}\left(\frac{d+c}{d+b}\right)$

Question ID - 156634 | SaraNextGen Top Answer

Length of the husking zone in a rubber roll paddy dehusker, having $d$ as roll diameter, $c$ as clearance between the rolls, and $b$ as grain thickness, is
(A) $\frac{\pi d}{360} \cos ^{-1}\left(\frac{d+c}{d+b}\right)$
(B) $\frac{\pi d}{180} \cos ^{-1}\left(\frac{d+c}{d+b}\right)$
(C) $\frac{\pi d}{360} \sin ^{-1}\left(\frac{d+c}{d+b}\right)$
(D) $\frac{\pi d}{180} \sin ^{-1}\left(\frac{d+c}{d+b}\right)$