Fuels and Combustion Out of the following, which is the most important parameter for the blast furnace grade coke? Volatile matter content CSR & CRI Moisture content Ash content Volatile matter content CSR & CRI Moisture content Ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? LPG Producer gas Natural gas Sewage gas LPG Producer gas Natural gas Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is more difficult to ignite and produces a shorter flame None of these Is less liable to spontaneous combustion on storage Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame None of these Is less liable to spontaneous combustion on storage Requires smaller combustion space and less secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1400-1500 900-1000 400-500 1700-1800 1400-1500 900-1000 400-500 1700-1800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Not related to Lower than Same as Higher than Not related to Lower than Same as Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes ANSWER DOWNLOAD EXAMIANS APP