Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Make it look attractive Avoid radiation heat loss Minimise its corrosion None of these Make it look attractive Avoid radiation heat loss Minimise its corrosion None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Lower amount of hydrogen Higher amount of both methane and hydrogen Both A & B Higher amount of methane Lower amount of hydrogen Higher amount of both methane and hydrogen Both A & B Higher amount of methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens All of these Produce smaller coke Require less time of carbonisation Produce stronger coke All of these Produce smaller coke Require less time of carbonisation Produce stronger coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Volatile matter Moisture Sulphur (4-6%) Ash Volatile matter Moisture Sulphur (4-6%) Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Moisture Carbon Ash Volatiles Moisture Carbon Ash Volatiles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength Facilitates by-products recovery ANSWER DOWNLOAD EXAMIANS APP