The calorific value is the highest out of the following for Blast furnace gas Producer gas Water gas Coke oven gas TRUE ANSWER : ? YOUR ANSWER : ?
Combustion reaction of fuels is a/an __________ reaction. Endothermic Auto catalytic None of these Exothermic TRUE ANSWER : ? YOUR ANSWER : ?
The gas which contributes maximum to the heating value of natural gas is H₂ CO₂ CO CH₄ TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has the highest gross calorific value? Oil refinery gas Carburetted water gas Blast furnace gas Coke oven gas TRUE ANSWER : ? YOUR ANSWER : ?
Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. Entrained Fixed Moving Fluidised TRUE ANSWER : ? YOUR ANSWER : ?
Too much of excess air in combustion results in high Stack gas temperature All of these Percentage of oxygen in flue gases Fuel consumption for the same heat load TRUE ANSWER : ? YOUR ANSWER : ?
Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 2.5 0.5 10 20 TRUE ANSWER : ? YOUR ANSWER : ?
Spontaneous combustion of coal on storage results due to Inadequate ventilation All of these Low temperature oxidation Storage in large heaps with small surface to volume ratio TRUE ANSWER : ? YOUR ANSWER : ?
A coal with high __________ content, would ignite most easily. Volatile matter Ash Oxygen Fixed carbon TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following can be made into briquettes without the use of a binder? Anthracite coal Lignite None of these Bituminous coal TRUE ANSWER : ? YOUR ANSWER : ?