Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 11 20 2 38 11 20 2 38 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Size stability Caking tendency Clinkering tendency Coking tendency Size stability Caking tendency Clinkering tendency Coking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Both B and C Adhering impurities Mineral matter Inherent impurities Both B and C Adhering impurities Mineral matter Inherent impurities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack (chimney) height in a big thermal power plant is dictated by the Limitation of constructional facilities None of these Draught to be created Pollution control aspect Limitation of constructional facilities None of these Draught to be created Pollution control aspect ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Is meant for the production of 'metallurgical coke' Produces higher quantity of gas than high temperature carbonisation Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke Is meant for the production of 'metallurgical coke' Produces higher quantity of gas than high temperature carbonisation Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke ANSWER DOWNLOAD EXAMIANS APP