Fuels and Combustion Calorific value of Light paraffinic fuel oils is lower than that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is higher than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins Light paraffinic fuel oils is lower than that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is higher than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if Smaller fines are stored in large quantity It contains large amount of volatile matter It is stored in tall heaps All of these Smaller fines are stored in large quantity It contains large amount of volatile matter It is stored in tall heaps All of these 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. 5 to 15 3 to 4 20 to 40 1 to 2 5 to 15 3 to 4 20 to 40 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value is the highest out of the following for Water gas Producer gas Coke oven gas Blast furnace gas Water gas Producer gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in temperature (i.e. preheating) Increase in gas pressure Use of pure oxygen for combustion instead of air All of these Increase in temperature (i.e. preheating) Increase in gas pressure Use of pure oxygen for combustion instead of air All of these ANSWER DOWNLOAD EXAMIANS APP
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