Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Decreases Remains constant May increase or decrease, depends on combustibles Increases Decreases Remains constant May increase or decrease, depends on combustibles Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Both A & B Caking power Calorific value Neither A nor B Both A & B Caking power Calorific value Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel Suppresses the discharge of fine dust and grit into atmosphere All of these In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel Suppresses the discharge of fine dust and grit into atmosphere All of these In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Diatomaceous earth Silica gel Bog iron (i.e., moist ferric hydroxide) Basalt Diatomaceous earth Silica gel Bog iron (i.e., moist ferric hydroxide) Basalt ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? F. gas and coke oven gas Propane and LPG Sewage gas and gobar gas Propane and acetylene F. gas and coke oven gas Propane and LPG Sewage gas and gobar gas Propane and acetylene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is called "blue gas"? Water gas Coke oven gas Natural gas Producer gas Water gas Coke oven gas Natural gas Producer gas ANSWER DOWNLOAD EXAMIANS APP