Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Pulverised coal Caking coal Non-caking coal Coking coal Pulverised coal Caking coal Non-caking coal Coking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 29 19 23 21 29 19 23 21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As an explosive For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a motor fuel As a perfume As an explosive For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a motor fuel As a perfume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air Using low c.v. fuels Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air Using low c.v. fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower theoretical flame temperature Higher calorific value Narrower limit of inflammability Lower ignition temperature Lower theoretical flame temperature Higher calorific value Narrower limit of inflammability Lower ignition temperature ANSWER DOWNLOAD EXAMIANS APP
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