Fuels and Combustion Grindability index of a coal is 100. It implies that the Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised Coal can be pulverised with great difficulty ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Ash content Moisture content Colour Volatile matter Ash content Moisture content Colour Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Producer gas Natural gas Water gas Blast furnace gas Producer gas Natural gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Remains same Decreases Either A or B, depends on other factors Increases Remains same Decreases Either A or B, depends on other factors Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low calorific value Low octane number High cost & availability Low flash point Low calorific value Low octane number High cost & availability Low flash point ANSWER DOWNLOAD EXAMIANS APP