Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Variation in the pitch of fan blades All of these Damper Speed of the fan Variation in the pitch of fan blades All of these Damper Speed of the fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. Globe Butterfly Gate None of these Globe Butterfly Gate None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of Blast furnace gas with oxygen Blast furnace gas with air Furnace oil with oxygen Furnace oil with air Blast furnace gas with oxygen Blast furnace gas with air Furnace oil with oxygen Furnace oil with air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Either more or less; depends on the flue gas density Answer: Option B More Less Same Either more or less; depends on the flue gas density Answer: Option B More Less Same ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Recuperator is Not used for fuel gas preheating A continuous waste heat recovery equipment An intermittant waste heat recovery equipment Heavier than regenerator meant for the same duty Not used for fuel gas preheating A continuous waste heat recovery equipment An intermittant waste heat recovery equipment Heavier than regenerator meant for the same duty ANSWER DOWNLOAD EXAMIANS APP