Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? None of these Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency It can not burn low grade coal None of these Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency It can not burn low grade coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point High cost & availability Low calorific value Low octane number Low flash point High cost & availability Low calorific value Low octane number ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Causes heat loss of fuel by its partial combustion Lengthens the flame Shortens the flame Both A & B Causes heat loss of fuel by its partial combustion Lengthens the flame Shortens the flame Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is used for making the explosive 'TNT'? Benzol Toluene Pyridine Cerosote Benzol Toluene Pyridine Cerosote ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides better control of furnace temperature Facilitates combustion with lower excess air All of these Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature Facilitates combustion with lower excess air All of these Provides higher thermal efficiency & flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 42.9 23 27.6 47.3 42.9 23 27.6 47.3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS