Refractory Technology Refractories are dried in the Tunnel kilns None of these Sun Rotary kilns Tunnel kilns None of these Sun Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of a refractory means its Resistancce to compressive loads Fracture due to uneven expansion at high temperature Softening Resistance to chemical action of gases and molten fluxes Resistancce to compressive loads Fracture due to uneven expansion at high temperature Softening Resistance to chemical action of gases and molten fluxes ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? Vermiculite Diatomaceous earth/kieselgur Asbestos None of these Vermiculite Diatomaceous earth/kieselgur Asbestos None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 45 to 60 20 to 30 60 to 75 5 to 10 45 to 60 20 to 30 60 to 75 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Coke oven walls Zinc roaster Lead blast furnace Beehive oven Coke oven walls Zinc roaster Lead blast furnace Beehive oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Used for raising & maintaining high temperature Not subjected to fluctuation in temperature Both (b) and © Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Not subjected to fluctuation in temperature Both (b) and © Not required to resist the corrosive action of basic slag ANSWER DOWNLOAD EXAMIANS APP
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