Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 6 18 28 36 6 18 28 36 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 25, 000 15, 000 5000 10, 000 25, 000 15, 000 5000 10, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Anthracite High temperature coke (V.M < 0.5%) Lignite Bituminous coal Anthracite High temperature coke (V.M < 0.5%) Lignite Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at Singreni (AP.) Dhanbad Dankuni (West Bengal) Raniganj Singreni (AP.) Dhanbad Dankuni (West Bengal) Raniganj ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of the coke is a measure of its Bulk density Reactivity None of these Strength Bulk density Reactivity None of these Strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because It reduces its flame temperature tremendously There are chances of explosion during preheating It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its flame temperature tremendously There are chances of explosion during preheating It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot ANSWER DOWNLOAD EXAMIANS APP