Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 10 1000 500 100 10 1000 500 100 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are used in Neither A nor B Both A & B Bottom of soaking pits Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Neither A nor B Both A & B Bottom of soaking pits Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Cement Power Metallurgical Fertiliser Cement Power Metallurgical Fertiliser ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Periclase Bauxite Corrundum Carborundum Periclase Bauxite Corrundum Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Disintegration on sudden change of temperature Abrasion Both B and C Attack by basic slag Disintegration on sudden change of temperature Abrasion Both B and C Attack by basic slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have Low thermal co-efficient of expansion Greater diffusivity All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity All of these Low specific heat ANSWER DOWNLOAD EXAMIANS APP