With increase in the temperature of carbonisation of coal Methane content in the coke oven gas decreases and carbon monoxide content increases All of these Hydrogen content of coke oven gas increases due to cracking of hydrocarbons Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content TRUE ANSWER : ? YOUR ANSWER : ?
The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Avoid radiation heat loss None of these Minimise its corrosion Make it look attractive TRUE ANSWER : ? YOUR ANSWER : ?
Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Flue gas has lower dew point thereby facilitating more waste heat recovery Sulphur content is lower All of these Emissivity factor is higher TRUE ANSWER : ? YOUR ANSWER : ?
Laboratory gas is obtained by the cracking of Gasoline Kerosene Diesel Fuel oil TRUE ANSWER : ? YOUR ANSWER : ?
Catalyst used in Fischer-Tropsch process is Zinc oxide Alumina Nickel Thorium oxide TRUE ANSWER : ? YOUR ANSWER : ?
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of None of these Tar Benzol Ammonia TRUE ANSWER : ? YOUR ANSWER : ?
Stack (chimney) height in a big thermal power plant is dictated by the None of these Draught to be created Pollution control aspect Limitation of constructional facilities TRUE ANSWER : ? YOUR ANSWER : ?
Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 18 36 28 6 TRUE ANSWER : ? YOUR ANSWER : ?
Increase in ash content of blast furnace coke Increases its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace TRUE ANSWER : ? YOUR ANSWER : ?
Benzene is used As an explosive As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a perfume TRUE ANSWER : ? YOUR ANSWER : ?