Conversion of silica mineral to Cristobalite is accompanied by reduction in its ____________________?

Related Mcqs:

Porosity is induced in insulating refractories by adding________________?

A. Powdered naphthalene B. Ammonium chloride/sulphate C. Calcium phosphate D. All A., B. and C....

_____________ nozzles are used in continuous casting of steel?

A. Zircon B. Thoria C. Carborundum D. Beryllia...

Firing temperature is minimum (1250-1400 °C) for _______________ bricks?

A. Fireclay B. Direct bonded basic C. Silica D. Magnesite...

Periclase refractory contains mainly________________?

A. CaO B. MgO C. Al2O3 D. SiO2...

Crushing strength of a refractory____________________?

A. Increases with rise in service temperature B. Decreases with rise in service temperature C. Is unaffected with change in service temperature D. Decreases with increase in porosity...