Fuels and Combustion
Low temperature carbonisation

Is mainly for producing the smokeless domestic coke
Produces higher quantity of gas than high temperature carbonisation
Is meant for the production of 'metallurgical coke'
Produces less quantity of tar than high temperature carbonisation

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Beehive coke oven

Takes 2-3 days for coking of coal but requires no external fuel for heating
Facilitates by-products recovery
Produces coke with very poor strength
Gives larger yield of coke (around 85%) as compared to by-product ovens

ANSWER DOWNLOAD EXAMIANS APP