Refractory Technology Porosity is induced in insulating refractories by adding Calcium phosphate All of these Powdered naphthalene Ammonium chloride/sulphate Calcium phosphate All of these Powdered naphthalene Ammonium chloride/sulphate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 2-3 7-12 5-7 14-20 2-3 7-12 5-7 14-20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Sillimanite Firebrick Magnesite Aluminous firebrick Sillimanite Firebrick Magnesite Aluminous firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Neither A nor B Continuous casting systems Slide gate in teeming laddies Both A & B Neither A nor B Continuous casting systems Slide gate in teeming laddies Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 60 to 75 45 to 60 5 to 10 20 to 30 60 to 75 45 to 60 5 to 10 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Dome of blast furnace stoves Glass melting furnaces All of these Electric arc furnace roof Dome of blast furnace stoves Glass melting furnaces All of these Electric arc furnace roof ANSWER DOWNLOAD EXAMIANS APP
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