Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Transportation of coal Combustion of coal by supplying it around the burner Drying of coal Preheating the primary air Transportation of coal Combustion of coal by supplying it around the burner Drying of coal Preheating the primary air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a heat treatment furnace? Muffle furnace Rotary kiln Reheating furnace Annealing furnace Muffle furnace Rotary kiln Reheating furnace Annealing furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are normally provided in the All of these By product coke ovens Glass melting furnace Open hearth furnace All of these By product coke ovens Glass melting furnace Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Heat transfer rate in the furnace Oxygen in the flue gas Stack loss Flame temperature Heat transfer rate in the furnace Oxygen in the flue gas Stack loss Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) Both A & B Neither A nor B Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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