Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Caking power None of these Calorific value Oxygen content Caking power None of these Calorific value Oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Turndown ratio of a gas burner is equal to the Maximum to minimum permissible gas flow rate Both A & B Minimum to maximum heat input ratio Maximum to minimum heat input ratio Maximum to minimum permissible gas flow rate Both A & B Minimum to maximum heat input ratio Maximum to minimum heat input ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ has the widest inflammability limit (explosion limit) of all the gases. Acetylene Hydrogen Methane Carbon monoxide Acetylene Hydrogen Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Has low quantity of mineral matter Is harder and stronger Is not subjected to washing Has higher calorific value Has low quantity of mineral matter Is harder and stronger Is not subjected to washing Has higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Risk of explosion Chances of clinker formation Requirement of large volume combustion chamber Incomplete combustion of coal Risk of explosion Chances of clinker formation Requirement of large volume combustion chamber Incomplete combustion of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate Attainment of high temperature None of these Attainment of chemical equilibrium Its thorough mixing with air Attainment of high temperature None of these Attainment of chemical equilibrium Its thorough mixing with air ANSWER DOWNLOAD EXAMIANS APP
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