Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 5 20 10 35 5 20 10 35 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As a perfume For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a motor fuel As a perfume For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a motor fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO (upto 65%) & CO₂ CO₂ & H₂ CO & O₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO₂ & H₂ CO & O₂ CO₂ & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates Its pulverisation (as it requires more power) None of these Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates Its pulverisation (as it requires more power) None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Carburetted water gas Producer gas Liquified petroleum gas Natural gas Carburetted water gas Producer gas Liquified petroleum gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High pressure coal gasification is employed in __________ process. None of these Kopper-Totzek Lurgi Winkler None of these Kopper-Totzek Lurgi Winkler ANSWER DOWNLOAD EXAMIANS APP
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