Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Carbon resistance furnace Furnace employing negative pressure Reducing atmosphere Furnace employing neutral atmosphere Carbon resistance furnace Furnace employing negative pressure Reducing atmosphere Furnace employing neutral atmosphere ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Roasting Smelting All of these Calcining Roasting Smelting All of these Calcining ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Minimum heat input rate only Maximum heat input rate only Volume of the combustion chamber Range of fuel firing rates Minimum heat input rate only Maximum heat input rate only Volume of the combustion chamber Range of fuel firing rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Pulverised fuel fired furnaces employ __________ fuel firing. Tangential All of these Horizontal Vertical Tangential All of these Horizontal Vertical ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low forced draft & fuel bed temperature Thick firebed and preheated primary air All of these Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature Thick firebed and preheated primary air All of these Low reactivity of carbonised residue containing high proportion of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Roasting None of these Reheating Melting Roasting None of these Reheating Melting ANSWER DOWNLOAD EXAMIANS APP