With indirect spruing. Which one of the following porosities can be minimised_______________?

Related Mcqs:

Addition of large amounts of platinum to a casting gold alloy will________________?

A. Decrease its strength and ability to be hardened B. Decrease its tarnish resistance C. Increase its fusion temperature D. Redden the alloy...

A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?

A. Dimensional change B. Thermal conductivity C. Warpage D. Tarnish and corrosion...

The deoxidizing agent added to dental alloys is______________?

A. Palladium B. Silver C. Copper D. Zinc...

Microstructure of cobalt chromium alloy in cast condition is______________?

A. Fibrous B. Homogeneous C. Inhomogenous D. amorphous...

The rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing ?

A. Recovery stage B. Recrystallisation stage C. Grain growth stage D. All of the above...