Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1400 1100 1350 1250 1400 1100 1350 1250 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Increase in its throughput No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in its throughput No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Fermentation None of these Hydrogenation Oxidation Fermentation None of these Hydrogenation Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Bituminous Semi-anthracite Lignite Anthracite Bituminous Semi-anthracite Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Decreases Remains constant May increase or decrease, depends on combustibles Increases Decreases Remains constant May increase or decrease, depends on combustibles Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 1 to 2 3 to 4 5 to 15 20 to 40 1 to 2 3 to 4 5 to 15 20 to 40 ANSWER DOWNLOAD EXAMIANS APP
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