Fuels and Combustion Benzol is used For producing benzene, tolune & xylene by its distillation As a motor fuel blend Both A & B Neither A nor B For producing benzene, tolune & xylene by its distillation As a motor fuel blend Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because There are chances of explosion during preheating It reduces its flame temperature tremendously It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot There are chances of explosion during preheating It reduces its flame temperature tremendously It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 8 18 48 80 8 18 48 80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Anthracite Semi-anthracite Bituminous Lignite Anthracite Semi-anthracite Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Pulverised coking coal Furnace oil, light diesel oil and tar/PCM F. gas, coke oven gas and L.D. converter gas Coal middling from washeries Pulverised coking coal Furnace oil, light diesel oil and tar/PCM F. gas, coke oven gas and L.D. converter gas Coal middling from washeries ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Comes from protein in parent vegetable matter All of these Is recovered as ammonia during its carbonisation Is present upto 1-2% Comes from protein in parent vegetable matter All of these Is recovered as ammonia during its carbonisation Is present upto 1-2% ANSWER DOWNLOAD EXAMIANS APP