7000+ Fuel Technology Quiz Questions and Answers - 1

Question: 1

The main product of high temperature carbonisation of coal is

(A) Ammonia

(B) Tar

(C) Coke oven gas

(D) Coke

Question: 2

Micum index of coke is a direct measure of its

(A) Bulk density

(B) Strength and hardness

(C) Porosity

(D) Reactivity

Question: 3

With increase in carbonisation temperature of coal,

(A) Methane percent in coke oven gas increases

(B) Hydrogen percent in coke oven gas decreases

(C) Tar yield increases

(D) Gas yield increases

Question: 4

A coal with high _____ content would ignite most easily.

(A) Ash

(B) Oxygen

(C) Fixed carbon

(D) Volatile matter

Question: 5

Fusion point of coal ash increases with increase in its _____ content.

(A) Alumina and silica

(B) Iron sulphide

(C) Lime and magnesia

(D) Iron carbonate