Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Require less time of carbonisation Produce stronger coke All of these Produce smaller coke Require less time of carbonisation Produce stronger coke All of these Produce smaller coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Under pressurising Back draughting Banking None of these Under pressurising Back draughting Banking None of these 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 1700-1800 400-500 900-1000 1400-1500 1700-1800 400-500 900-1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? None of these Lurgi Process Winkler process Kopper-Totzek process None of these Lurgi Process Winkler process Kopper-Totzek process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Less Same Data insufficient; can't be predicted More Less Same Data insufficient; can't be predicted More ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 25-30 60-65 95-100 3-5 25-30 60-65 95-100 3-5 ANSWER DOWNLOAD EXAMIANS APP
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