Refractory Technology Which one contains minimum percentage of SiO₂? Semi-silica Sillimanite Firebrick Aluminous firebrick Semi-silica Sillimanite Firebrick Aluminous firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are All of these Used in space vehicles, missiles & nuclear energy plants Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents All of these Used in space vehicles, missiles & nuclear energy plants Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Repairing construction of various furnace parts Neither A nor B Obtaining monolithic working faces Both A & B Repairing construction of various furnace parts Neither A nor B Obtaining monolithic working faces Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Permanent linear change Modulus of rupture Resistance to CO attack RUL Permanent linear change Modulus of rupture Resistance to CO attack RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Does not affect Lowers Either A or B; depends on its quantity Increases Does not affect Lowers Either A or B; depends on its quantity Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Magnesite Aluminous firebrick Firebrick Sillimanite Magnesite Aluminous firebrick Firebrick Sillimanite ANSWER DOWNLOAD EXAMIANS APP
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