Fuels and Combustion Gross and net calorific value of a fuel will be the same If its ash content is zero Under no circumstances If its hydrogen/hydrogen compound content is zero Ifits carbon content is very low If its ash content is zero Under no circumstances If its hydrogen/hydrogen compound content is zero Ifits carbon content is very low ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Increases its caking power Reduces its calorific value Badly affects the quality of steel Is not undersirable Increases its caking power Reduces its calorific value Badly affects the quality of steel Is not undersirable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Perfumes Plastics Insecticides Pulverised fuel Perfumes Plastics Insecticides Pulverised fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal. 160 750 500 60 160 750 500 60 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Neither A nor B Helpful in estimation of its rank Both A and B The ratio of its percentage of fixed carbon to that of volatile matter Neither A nor B Helpful in estimation of its rank Both A and B The ratio of its percentage of fixed carbon to that of volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a perfume As an explosive As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a perfume As an explosive As a motor fuel ANSWER DOWNLOAD EXAMIANS APP