Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Yield of carbonised products Caking index Friability & oxygen content Calorific value Yield of carbonised products Caking index Friability & oxygen content Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Avoid radiation heat loss None of these Minimise its corrosion Make it look attractive Avoid radiation heat loss None of these Minimise its corrosion Make it look attractive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas containing least amount of tar is produced by the Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of large size (< 50 mm) coke Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of large size (< 50 mm) coke Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Lime and magnesia Iron sulphate Iron silicate All of these Lime and magnesia Iron sulphate Iron silicate All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a micro component present in coal? Liptinite Micrinite Clarain Fusinite Liptinite Micrinite Clarain Fusinite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? None of these Phenol & naphthalene Anthracene & creosote Benzol & pitch None of these Phenol & naphthalene Anthracene & creosote Benzol & pitch ANSWER DOWNLOAD EXAMIANS APP
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