From the raw piece, coal is manufactured by ________(a) under crushing(b) over crushing(c) perfectly crushed(d) powderedI had been asked this question at a job interview.I'd like to ask this question from Analysis of Coal and Selection in division Fuel Technologies of Applied Chemistry

From the raw piece, coal is manufactured by ________(a) under crushing

1.	From the raw piece, coal is manufactured by ________(a) under crushing(b) over crushing(c) perfectly crushed(d) powderedI had been asked this question at a job interview.I'd like to ask this question from Analysis of Coal and Selection in division Fuel Technologies of Applied Chemistry
Answer» Right choice is (C) perfectly crushed The BEST explanation: The coal is manufactured by perfectly crushing the raw PIECE because if the raw material is under crushed and over crushed then the chemical content varies and cannot be GOOD for combustion.

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