Refractory Technology Refractory castables are used for All of these Minimising the number of joints in the structure Patch work Producing monolithic linings All of these Minimising the number of joints in the structure Patch work Producing monolithic linings ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Development of stable mineral form Removal of water of hydration Vitrification Decrease in crushing strength Development of stable mineral form Removal of water of hydration Vitrification Decrease in crushing strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Magnesite Fireclay Silica Zirconia Magnesite Fireclay Silica Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractories are not used in Furnaces subjected to fluctuating temperature Lining high temperature ceramic kilns Making sheaths for thermocouple High frequency induction furnaces in the form of inductors Furnaces subjected to fluctuating temperature Lining high temperature ceramic kilns Making sheaths for thermocouple High frequency induction furnaces in the form of inductors ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Cements Castables Mortars None of these Cements Castables Mortars None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 80 95 45 60 80 95 45 60 ANSWER DOWNLOAD EXAMIANS APP
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