Fuels and Combustion Lignite is Can be used for gasification and steam generation A black banded coal which burns with a non-smoky yellowish flame A coking coal A high rank coal Can be used for gasification and steam generation A black banded coal which burns with a non-smoky yellowish flame A coking coal A high rank coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgSO₄ & BaCl₂ MgCO₃ & NaCl BaSO₄ & NaCl MgO & Na₂CO₃ MgSO₄ & BaCl₂ MgCO₃ & NaCl BaSO₄ & NaCl MgO & Na₂CO₃ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.8 A M = A M = 1.1 A M = 0.5 A M = 1.8 A M = A M = 1.1 A M = 0.5 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Entrainment of solids is higher Coking coals cannot be used Low carbon conversion efficiency is achieved Larger quantity of coal can be processed Entrainment of solids is higher Coking coals cannot be used Low carbon conversion efficiency is achieved Larger quantity of coal can be processed ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Both A & B Calorific value Caking power Neither A nor B Both A & B Calorific value Caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 3-5 25-30 95-100 60-65 3-5 25-30 95-100 60-65 ANSWER DOWNLOAD EXAMIANS APP