Fuels and Combustion High temperature in gasification of coal favours High production of CO Both B and C High production of CO₂ Low production of CO₂ High production of CO Both B and C High production of CO₂ Low production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the None of these Flame temperature Scale losses of the furnace stock Calorific value of the fuel None of these Flame temperature Scale losses of the furnace stock Calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Is not subjected to washing Is harder and stronger Has higher calorific value Has low quantity of mineral matter Is not subjected to washing Is harder and stronger Has higher calorific value Has low quantity of mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making All of these Unsaturated polyesters Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol All of these Unsaturated polyesters Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 75 35 to 45 15 to 25 55 to 75 75 35 to 45 15 to 25 55 to 75 ANSWER DOWNLOAD EXAMIANS APP