Refractory Technology Chrome magnesite bricks are Having higher RUL than silica bricks Neutral in nature Made by mixing 30% chromite and 70% periclase Acidic in nature Having higher RUL than silica bricks Neutral in nature Made by mixing 30% chromite and 70% periclase Acidic in nature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Modulus of rupture RUL Resistance to CO attack Permanent linear change Modulus of rupture RUL Resistance to CO attack Permanent linear change ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Neutral atmosphere Electric furnace Reducing atmosphere Oxidising atmosphere Neutral atmosphere Electric furnace Reducing atmosphere Oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High resistance to spalling High refractoriness High strength and density All of these High resistance to spalling High refractoriness High strength and density All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 100 500 10 1000 100 500 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture? Saw dust Sand Cork Chemically prepared foam Saw dust Sand Cork Chemically prepared foam ANSWER DOWNLOAD EXAMIANS APP
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