Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Problem in door cleaning Structural strength of silica bricks Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning Structural strength of silica bricks Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a manufactured fuel ? Furnace oil Kerosene Bagasse Semi-coke Furnace oil Kerosene Bagasse Semi-coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Inherent mineral matter Free impurities Ash Volatile matter Inherent mineral matter Free impurities Ash Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low calorific value High cost & availability Low octane number Low flash point Low calorific value High cost & availability Low octane number Low flash point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Coke oven gas Blast furnace gas Water gas Natural gas Coke oven gas Blast furnace gas Water gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Smaller in size All of these Less reactive Stronger Smaller in size All of these Less reactive Stronger ANSWER DOWNLOAD EXAMIANS APP
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