Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce smaller coke All of these Require less time of carbonisation Produce stronger coke Produce smaller coke All of these Require less time of carbonisation Produce stronger coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to All of these Inadequate ventilation Storage in large heaps with small surface to volume ratio Low temperature oxidation All of these Inadequate ventilation Storage in large heaps with small surface to volume ratio Low temperature oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 1000 10000 5000 50 1000 10000 5000 50 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
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 Which of the following coal gasification processes will produce gas having maximum methane content? All of these Kopper-Totzek process Lurgi process Winkler process All of these Kopper-Totzek process Lurgi process Winkler process ANSWER DOWNLOAD EXAMIANS APP
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