Furnace Technology Regenerators compared to the recuperators for the same duty Are of smaller size All of these Are less costly Occupy more space Are of smaller size All of these Are less costly Occupy more space ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. 180 80 130 250 180 80 130 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Ash disposal problem Erosion of induced draft fan blades Excessive fly ash discharge from the stack Higher power consumption in its transportation Ash disposal problem Erosion of induced draft fan blades Excessive fly ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Dampers are located After the I.D. fan Before the I.D fan Anywhere after the I.D. fan Near the top of the chimney After the I.D. fan Before the I.D fan Anywhere after the I.D. fan Near the top of the chimney ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught All of these Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught All of these Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
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