Furnace Technology Advantages of use of preheated combustion air are Saving in fuel consumption All of these Reduction in scale losses Increase in flame temperature Saving in fuel consumption All of these Reduction in scale losses Increase in flame temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the Type of burner and combustion chamber Amount of excess air supplied and load on the boiler All of these Physical nature, ash content and fineness of the coal Type of burner and combustion chamber Amount of excess air supplied and load on the boiler All of these Physical nature, ash content and fineness of the coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have CO in flue gas None of these No O₂ in flue gas High excess air CO in flue gas None of these No O₂ in flue gas High excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. None of these Gate Butterfly Globe None of these Gate Butterfly Globe ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which one is not an induced draught furnace? High pressure boiler None of these Sintering furnace Blast furnace stove High pressure boiler None of these Sintering furnace Blast furnace stove ANSWER DOWNLOAD EXAMIANS APP