Refractory Technology Firing of refractory brick is done to All of these Dehydrate the dried refractory Develop stable mineral forms in them Form ceramic bonds necessary for development of high crushing strength in the finished product All of these Dehydrate the dried refractory Develop stable mineral forms in them Form ceramic bonds necessary for development of high crushing strength in the finished product ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of Crucibles used for melting of high purity metals Muffles for muffle furnaces Segar cones Insulating bricks Crucibles used for melting of high purity metals Muffles for muffle furnaces Segar cones Insulating bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ °C. 1630 1670 1520 1730 1630 1670 1520 1730 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Resistance to carbon monoxide attack Fusion point Resistance to slag penetration Spalling resistance Resistance to carbon monoxide attack Fusion point Resistance to slag penetration Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. RUL Permanent linear change Modulus of rupture Resistance to CO attack RUL Permanent linear change Modulus of rupture Resistance to CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractory blocks Are used in the hearth of blast furnace Are wetted by molten iron Are acidic in nature All of these Are used in the hearth of blast furnace Are wetted by molten iron Are acidic in nature All of these ANSWER DOWNLOAD EXAMIANS APP
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