Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Furnace oil, light diesel oil and tar/PCM Pulverised coking coal Coal middling from washeries F. gas, coke oven gas and L.D. converter gas Furnace oil, light diesel oil and tar/PCM Pulverised coking coal Coal middling from washeries F. gas, coke oven gas and L.D. converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Same as Higher than Lower than Not related to Same as Higher than Lower than Not related to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. Non-caking Pulverised High ash Caking Non-caking Pulverised High ash Caking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 1150 750 550 950 1150 750 550 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Require less time of carbonisation All of these Produce smaller coke Produce stronger coke Require less time of carbonisation All of these Produce smaller coke Produce stronger coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 30-33 1-2 10-15 22-26 30-33 1-2 10-15 22-26 ANSWER DOWNLOAD EXAMIANS APP