Refractory Technology Cold crushing strength of refractories depends upon its Composition All of these Texture Firing temperature Composition All of these Texture Firing temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. Superduty fireclay Carborundum High alumina Silica Superduty fireclay Carborundum High alumina Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its Fusion point RUL Specific gravity None of these Fusion point RUL Specific gravity None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1600-1800 800-1000 1000-1200 2400-2600 1600-1800 800-1000 1000-1200 2400-2600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal spalling mainly occurs during __________ of furnaces. Both A & B Cooling down Neither A nor B Warming up Both A & B Cooling down Neither A nor B Warming up ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Either A or B; depends on its quantity Lowers Increases Does not affect Either A or B; depends on its quantity Lowers Increases Does not affect ANSWER DOWNLOAD EXAMIANS APP
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