The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called__________?

Related Mcqs:

The maximum carbon content of steel used in dentistry is__________________?

A. 19% B. 2% C. 1.7% D. 4%...

Inlay wax is used to_______________?

A. Temporarily cement inlays: B. Make inlay wax patterns C. Invest inlay patterns D. Box models...

Fins and spines on the casting is seen due to_______________?

A. Prolonged heating: B. Rapid heating me C. Water film contamination D. Too high pressure during casting...

Binder used in Gypsum investment is_________________?

A. Silica B. Quartz C. Cristobolite D. Calcium sulphate monohydrate...

The strength of a gypsum investment is dependent on_______________?

A. Carbon content B. Silica content C. Gypsum D. Copper...