Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Pulverised coal Coking coal Non-caking coal Caking coal Pulverised coal Coking coal Non-caking coal Caking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Coke reactivity index (CRI) Porosity Critical air blast (CAB) value Both B and C Coke reactivity index (CRI) Porosity Critical air blast (CAB) value Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Gobar gas Carburetted water gas Natural gas LPG Gobar gas Carburetted water gas Natural gas LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Methane All of these Hydrogen Unsaturated hydrocarbons Methane All of these Hydrogen Unsaturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite can be used for All of these Making carbon electrodes Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke Recarbonising steel All of these Making carbon electrodes Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke Recarbonising steel ANSWER DOWNLOAD EXAMIANS APP