Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Ensure its complete combustion Provide trouble free operation Facilitate easy ash removal Enhance its calorific value Ensure its complete combustion Provide trouble free operation Facilitate easy ash removal Enhance its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Volatile matter Ash Inherent mineral matter Free impurities Volatile matter Ash Inherent mineral matter Free impurities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Is mainly for producing the smokeless domestic coke Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Pulverised coal Caking coal Coking coal Non-caking coal Pulverised coal Caking coal Coking coal Non-caking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Fusion point of its ash Sulphur & phosphorous content Porosity Hardness & strength Fusion point of its ash Sulphur & phosphorous content Porosity Hardness & strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. Entrained Fluidised Moving Fixed Entrained Fluidised Moving Fixed ANSWER DOWNLOAD EXAMIANS APP