Waxes are used for_______________?

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...

Crucible indicated for casting base metal alloys is______________?

A. Carbon crucible B. Clay crucible C. Quartz crucible D. High melting plastic crucible...

Percentage of gold in high noble alloy is______________?

A. N 25% B. 25% C. >40% D. 0%...

Annealing is also known as_______________?

A. Soft hardening treatment B. Hard hardening treatment C. Precipitating heat treatment D. Stress relieving heat treatment...

Casting shrinkage is compensated by_______________?

A. Thermal expansion B. Hygroscopic expansion C. Wax expansion D. All of the above...