Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Carbon Sulphur Hydrogen Oxygen Carbon Sulphur Hydrogen Oxygen 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 Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage None of these Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Does not affect its consumption in the furnace Increases its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Increases its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Higher than Lower than Same as None of these Higher than Lower than Same as None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Lower amount of hydrogen Higher amount of both methane and hydrogen Higher amount of methane Both A & B Lower amount of hydrogen Higher amount of both methane and hydrogen Higher amount of methane Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Pulverised coking coal Coal middling from washeries Furnace oil, light diesel oil and tar/PCM F. gas, coke oven gas and L.D. converter gas Pulverised coking coal Coal middling from washeries Furnace oil, light diesel oil and tar/PCM F. gas, coke oven gas and L.D. converter gas ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS