Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 24 18 6 12 24 18 6 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fuel' can be defined as a substance which produces heat by Combustion All of these Nuclear fusion Nuclear fission Combustion All of these Nuclear fusion Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Neither A nor B Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Neither A nor B Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Height of the coal heap should be < 3 metres Neither A nor B Both A and B Maximum 200 tons should be stored in a heap Height of the coal heap should be < 3 metres Neither A nor B Both A and B Maximum 200 tons should be stored in a heap ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 15-30 150-200 43832 70-100 15-30 150-200 43832 70-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Higher calorific value Narrower limit of inflammability Lower theoretical flame temperature Lower ignition temperature Higher calorific value Narrower limit of inflammability Lower theoretical flame temperature Lower ignition temperature ANSWER DOWNLOAD EXAMIANS APP
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