Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Lignite High temperature coke (V.M < 0.5%) Bituminous coal Anthracite Lignite High temperature coke (V.M < 0.5%) Bituminous coal Anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Swelling characteristics Agglutinating properties Resistance to impact breakage Abradability Swelling characteristics Agglutinating properties Resistance to impact breakage Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Carbon Content by weight in air dried wood may be about __________ percent. 50 80 10 25 50 80 10 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always < 1 Unpredictable > 1 1 < 1 Unpredictable > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Decreases the dew point Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Decreases the dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Lengthens the flame Tends to shorten the flame Increases the flame temperature Does not affect the flame length Lengthens the flame Tends to shorten the flame Increases the flame temperature Does not affect the flame length ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS