Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Calorific value Sulphur content Difference in gross & net calorific value Higher C/H ratio Calorific value Sulphur content Difference in gross & net calorific value Higher C/H ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Controlling the excess air Using low c.v. fuels Oxygen enrichment of combustion air Maintaining proper draft in the furnace Controlling the excess air Using low c.v. fuels Oxygen enrichment of combustion air Maintaining proper draft in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Does not vary with increase in surface area Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Does not vary with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at Raniganj Dankuni (West Bengal) Singreni (AP.) Dhanbad Raniganj Dankuni (West Bengal) Singreni (AP.) Dhanbad ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Unsaturated polyesters Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol All of these Unsaturated polyesters Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are Bituminous None of these Lignite Anthracite Bituminous None of these Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
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