Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Blast furnace gas Bituminous coal Pitch Fuel oil Blast furnace gas Bituminous coal Pitch Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Producer gas Natural gas Blast furnace gas Water gas Producer gas Natural gas Blast furnace gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Calorific value of the fuel Heat transfer rate to the stock in the furnace Flame temperature achieved Speed of combustion of fuel Calorific value of the fuel Heat transfer rate to the stock in the furnace Flame temperature achieved Speed of combustion of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 0.5 2.5 20 10 0.5 2.5 20 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. Lurgi None of these Fischer-Tropsch Bergius Lurgi None of these Fischer-Tropsch Bergius ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Lengthens the flame Tends to shorten the flame Does not affect the flame length Increases the flame temperature Lengthens the flame Tends to shorten the flame Does not affect the flame length Increases the flame temperature ANSWER DOWNLOAD EXAMIANS APP