Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 50 5000 10000 1000 50 5000 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. 200-300 80-170 250-270 280-300 200-300 80-170 250-270 280-300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 0.79 0.21 4.76 3.76 0.79 0.21 4.76 3.76 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Is meant for the production of 'metallurgical coke' Produces higher quantity of gas than high temperature carbonisation Is mainly for producing the smokeless domestic coke Produces less quantity of tar than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces higher quantity of gas than high temperature carbonisation Is mainly for producing the smokeless domestic coke Produces less quantity of tar than high temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Agglutinating properties Swelling characteristics Resistance to impact breakage Abradability Agglutinating properties Swelling characteristics Resistance to impact breakage Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bright coal Contains more than 90% durain Is non-coking Contains more than 90% fussain Contains mainly vitrain & clarain and is generally coking Contains more than 90% durain Is non-coking Contains more than 90% fussain Contains mainly vitrain & clarain and is generally coking ANSWER DOWNLOAD EXAMIANS APP
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