Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the_______________?

Related Mcqs:

Refractory materials are never used in the construction of _________________?

A. Segar cones B. Orton cones C. Pressure vessels D. Ovens & retorts...

____________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold?

A. High thermal conductivity B. Low porosity C. Non-wetting characteristics D. High density...

Hollow refractory bricks are made by___________________?

A. Slip casting B. Hand moulding C. pressing/machine moulding D. Extrusion...

Pick out the wrong statement?

A. Fluxing material like lime is added in clay to reduce the vitrification temperature B. Main constituents of clay are alumina and silica C. Addition of sand in ceramic materials makes it non-plastic, increases its fusion point and reduces its shrinkage on burning D. Vitrification of fireclay material is done to increase its porosity...

Furnace atmosphere for softening temperature determination of refractories (in which Seger Cones are placed) should be __________________?

A. Oxidising B. Neutral C. Either A. or B. D. Neither A. nor B....