Agricultural Engineering > GATE 2021 > Size Reduction
In a size reduction operation, the power required to crush 2 ton of feed material per hour is 7.2 kW. Eighty per cent of the feed and product material pass through 4.75 mm and 0.5 mm sieve openings, respectively. The work index of the material is
A
6.5
B
7.4
C
11.9
D
14.8

Correct : c

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