A screen is said to be blinded, when the
(A) Over-sizes are present in undersize fraction
(B) Under-sizes are retained in oversize fraction
(C) Screen is plugged with solid particles
(D) Screen capacity is abruptly increased
(A) Over-sizes are present in undersize fraction
(B) Under-sizes are retained in oversize fraction
(C) Screen is plugged with solid particles
(D) Screen capacity is abruptly increased