Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Oxidising atmosphere Neutral atmosphere Reducing atmosphere Electric furnace Oxidising atmosphere Neutral atmosphere Reducing atmosphere Electric furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Baffle Armouring Breast wall Buckstay Baffle Armouring Breast wall Buckstay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 43961 44129 35-50 25-35 43961 44129 35-50 25-35 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal conductivity of refractory bricks Decreases with decreases in porosity Is independent of its porosity and is maximum for insulating bricks Increases with the amount of air entrapped in pores Increases with decrease in porosity Decreases with decreases in porosity Is independent of its porosity and is maximum for insulating bricks Increases with the amount of air entrapped in pores Increases with decrease in porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) is the most important property for the refractory bricks None of these At the hearth bottom of the furnace on which stock is placed Used in the roof of the furnace Used for furnace insulation None of these At the hearth bottom of the furnace on which stock is placed Used in the roof of the furnace Used for furnace insulation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a High resistance to fusion Low porosity High spalling resistance Low spalling resistance High resistance to fusion Low porosity High spalling resistance Low spalling resistance ANSWER DOWNLOAD EXAMIANS APP
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