The ratio of the angle of internal friction at the time of filling in to that at the time of emptying of a granular bulk material in bins is -
(a) Less than one
(b) Equal to or less than one
(c) Equal to one
(d) Greater than one.
The correct Answer Is
(a) Less than one
(a) Less than one
(b) Equal to or less than one
(c) Equal to one
(d) Greater than one.
The correct Answer Is
(a) Less than one