Fuels and Combustion Highly reactive coke have lower Both B and C Coke reactivity index (CRI) Porosity Critical air blast (CAB) value Both B and C Coke reactivity index (CRI) Porosity Critical air blast (CAB) value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Either more or less; depends on the type of fuel Equal to More than Less than Either more or less; depends on the type of fuel Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur All of these Thick fire bed and preheated primary air Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur All of these Thick fire bed and preheated primary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Proximate analysis Ultimate analysis Calorific value Caking index Proximate analysis Ultimate analysis Calorific value Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Maintaining proper draft in the furnace Controlling the excess air Using low c.v. fuels Oxygen enrichment of combustion air Maintaining proper draft in the furnace Controlling the excess air Using low c.v. fuels Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Low carbon conversion efficiency is achieved Larger quantity of coal can be processed Coking coals cannot be used Entrainment of solids is higher Low carbon conversion efficiency is achieved Larger quantity of coal can be processed Coking coals cannot be used Entrainment of solids is higher ANSWER DOWNLOAD EXAMIANS APP