Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Underfired Covered Recirculating Sidefired Underfired Covered Recirculating Sidefired ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Outside mixing type Rotary Diffusion Premix Outside mixing type Rotary Diffusion Premix ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Open hearth furnace Reheating furnace Soaking pit Cupola Open hearth furnace Reheating furnace Soaking pit Cupola ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the All of these Use of coal/coke containing a high % of fines and ash Use of fuel having too low an ash fusion temperature Development of hot spots in the fuel bed and an abnormally high rate of gasification All of these Use of coal/coke containing a high % of fines and ash Use of fuel having too low an ash fusion temperature Development of hot spots in the fuel bed and an abnormally high rate of gasification ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Drying/tempering of refractories Roasting of pyrites Melting of glass Reheating of slabs Drying/tempering of refractories Roasting of pyrites Melting of glass Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Neither A nor B Both A & B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP