Tar yield in the low temperature and high temperature carbonisation of – McqOptions

MCQOPTIONS

1.	Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent.
A.	3 & 10
B.	10 & 3
C.	10 & 20
D.	15 & 8
Answer» C. 10 & 20

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