Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? Recuperator None of these Regenerator Waste heat boiler Recuperator None of these Regenerator Waste heat boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Oxygen enrichment of combustion air Efficient use of fuel Use of sub-stoichiometric air for combustion Inefficient use of fuel Oxygen enrichment of combustion air Efficient use of fuel Use of sub-stoichiometric air for combustion Inefficient use of fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Diffusion Outside mixing type Rotary Premix Diffusion Outside mixing type Rotary Premix ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Occupy more space Have higher pressure differential between flue gas & air side Are lighter Are less costly Occupy more space Have higher pressure differential between flue gas & air side Are lighter Are less costly ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Walking beam Tunnel Shaft Rotary hearth Walking beam Tunnel Shaft Rotary hearth ANSWER DOWNLOAD EXAMIANS APP