Suck back porosity in the casting can be eliminated by________________?

Related Mcqs:

Passivating alloys are_______________?

A. Cr, Al, Ti B. Cr, Mo, Ti C. Cr, Gold, Ti D. Cr, Fe, Ti...

Casting flux is used to_______________?

A. Prevent the oxidation of the metal during melting B. increase the melting point of the flux C. Flaring the point of the sprue attachment D. None of the above...

Which of the following cast gold alloys is used for fabricating partial denture frameworks______________?

A. Type I – Soft B. Type II – Hard C. Type III – Hard D. Type IV – Extra Hard...

Austenite is an alloy of iron of and carbon with the iron in______________?

A. Alpha form B. Beta form C. Gamma form D. None of the above...

Which of the following zones is used for melting alloy during casting______________?

A. Reducing flame B. Oxidizing flame C. Green flame D. All of the above...