Fuels and Combustion Yield of pitch from distillation of high temperature tar is around __________ percent. 10 25 65 90 10 25 65 90 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Coking tendency Clinkering tendency Size stability Caking tendency Coking tendency Clinkering tendency Size stability Caking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously It reduces its flame temperature tremendously There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously It reduces its flame temperature tremendously ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Catalyst used in Fischer-Tropsch process is Zinc oxide Nickel Thorium oxide Alumina Zinc oxide Nickel Thorium oxide Alumina ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Natural gas Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) Natural gas Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Increases Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) Decreases ANSWER DOWNLOAD EXAMIANS APP
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