Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Reducing atmosphere Furnace employing negative pressure Carbon resistance furnace Furnace employing neutral atmosphere Reducing atmosphere Furnace employing negative pressure Carbon resistance furnace Furnace employing neutral atmosphere ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a heat treatment furnace? Muffle furnace Annealing furnace Rotary kiln Reheating furnace Muffle furnace Annealing furnace Rotary kiln Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Blast furnace gas Air None of these Steam Blast furnace gas Air None of these Steam ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are Increase in flame temperature All of these Reduction in scale losses Saving in fuel consumption Increase in flame temperature All of these Reduction in scale losses Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ atmosphere is maintained inside an iron blast furnace. Oxidising Inert Decarburising Reducing Oxidising Inert Decarburising Reducing ANSWER DOWNLOAD EXAMIANS APP