Refractory Technology RUL of refractories depends on the All of these Presence of impurities like iron & alkali Chemical composition Physical structure All of these Presence of impurities like iron & alkali Chemical composition Physical structure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Patch work Minimising the number of joints in the structure All of these Producing monolithic linings Patch work Minimising the number of joints in the structure All of these Producing monolithic linings ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 14-20 5-7 2-3 7-12 14-20 5-7 2-3 7-12 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a High spalling resistance Low spalling resistance High resistance to fusion Low porosity High spalling resistance Low spalling resistance High resistance to fusion Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories have Very high cost Tendency to expand unduly high during firing Poor thermal spalling resistance Low co-efficient of thermal expansion Very high cost Tendency to expand unduly high during firing Poor thermal spalling resistance Low co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Silica Carbon black High alumina refractory Fireclay Silica Carbon black High alumina refractory Fireclay ANSWER DOWNLOAD EXAMIANS APP