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

MCQOPTIONS

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

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