Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Caking index Calorific value Yield of carbonised products Friability & oxygen content Caking index Calorific value Yield of carbonised products Friability & oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? Winkler process Lurgi process All of these Kopper-Totzek process Winkler process Lurgi process All of these Kopper-Totzek process ANSWER DOWNLOAD EXAMIANS APP
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. 1100 1250 1400 1350 1100 1250 1400 1350 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bunsen burner is an example of a/an __________ burner. Submerged combustion Outside mixing/diffusion flame/nozzle mix type Rotary cup Inside mixing/premix type Submerged combustion Outside mixing/diffusion flame/nozzle mix type Rotary cup Inside mixing/premix type ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is removed from coke oven gas by None of these Scrubbing with wash oil (a petroleum product) Adsorbing on bog iron bed Absorbing in vetro-coke solution None of these Scrubbing with wash oil (a petroleum product) Adsorbing on bog iron bed Absorbing in vetro-coke solution ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Gas yield is less Ignition temperature of coke produced is less Aromatic content of tar produced is more Tar yield is more Gas yield is less Ignition temperature of coke produced is less Aromatic content of tar produced is more Tar yield is more ANSWER DOWNLOAD EXAMIANS APP
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