Fuels and Combustion
Naphthalene is removed from coke oven gas by

Absorbing in vetro-coke solution
Scrubbing with wash oil (a petroleum product)
Adsorbing on bog iron bed
None of these

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Anthracite can be used for

Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke
Recarbonising steel
Making carbon electrodes
All of these

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Fussain

All of these
Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal
Is friable, charcoal like substance
Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation

ANSWER DOWNLOAD EXAMIANS APP