Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing negative pressure Furnace employing neutral atmosphere Reducing atmosphere Carbon resistance furnace Furnace employing negative pressure Furnace employing neutral atmosphere Reducing atmosphere Carbon resistance furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the L.D. converter Blast furnace Soaking pit Glass melting tank L.D. converter Blast furnace Soaking pit Glass melting tank ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by None of these Natural convection Conduction Radiation of heat from the roof of the combustion chamber None of these Natural convection Conduction Radiation of heat from the roof of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Melting of glass Roasting of pyrites Drying/tempering of refractories Reheating of slabs Melting of glass Roasting of pyrites Drying/tempering of refractories Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP