Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 10000 1000 5000 50 10000 1000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 18 8 48 80 18 8 48 80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of pulverised coal in boiler furnace provides Less erosion on furnace walls Smokeless burning Better combustion High calorific value Less erosion on furnace walls Smokeless burning Better combustion High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Lower than Higher than None of these Same as Lower than Higher than None of these Same as ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Net calorific value at constant volume Gross calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant pressure Net calorific value at constant volume Gross calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? None of these Molasses Coal tar Bitumen None of these Molasses Coal tar Bitumen ANSWER DOWNLOAD EXAMIANS APP
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