1000+ Chemical Engineering Fuels and Combustion Quiz Questions - 2

Question: 6

Lignite is

(A) a black banded coal which burns with a non smoky yellowish flame

(B) can be used for gasification and steam generation

(C) a coking coal

(D) a high rank coal

Question: 7

Traces of tar fog present in the coke oven gas is removed by

(A) washing with monoethanolamine

(B) electrostatic precipitator

(C) wet packed scrubber

(D) cyclone separator

Question: 8

Which of the following has the highest gross calorific value?

(A) oil refinery gas

(B) carburreted water gas

(C) coke oven gas

(D) blast furnace gas

Question: 9

The main product of high temperature carbonization of coal is

(A) ammonia

(B) coke oven gas

(C) coke

(D) tar

Question: 10

Increase in ash content of blast furnace coke

(A) does not affect its consumption in the furnace

(B) decrease its hardness and abrasion resistance

(C) reduces its consumption in the furnace

(D) increases its consumption in the furnace