Fuels and Combustion A good quality coal should have High ash content High sulphur Low fusion point of ash None of these High ash content High sulphur Low fusion point of ash None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 5 to 15 3 to 4 20 to 40 1 to 2 5 to 15 3 to 4 20 to 40 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. High ash Caking Non-caking Pulverised High ash Caking Non-caking Pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Decrease Increase May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Decrease Increase May increase or decrease ; depends on the quantity of products of combustion Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen. 22.4 Nm³ 32 kg 1kg mole All of these 22.4 Nm³ 32 kg 1kg mole All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% M40 > 10% and M10 < 78% M40 > 78% and M10 < 10% M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% M40 > 10% and M10 < 78% M40 > 78% and M10 < 10% ANSWER DOWNLOAD EXAMIANS APP