Nickel is added to wrought gold alloys as______________?

Related Mcqs:

The function of a sprue is to_______________?

A. Form an opening of molten metal to enter the mold B. Help polish cast restorations C. Eliminate air bubbles on the wax pattern D. Reproduce fine detail...

Heat hardening is the process done at_______________?

A. Heating 750°C and slowly cooling to zero degree B. Heating quickly upto 450°C followed by sudden quenching C. Heating upto 250°C for 15 to 30 min D. Heating at 750°C and then quenching to room temperature...

The best fuel gas when used with oxygen is______________?

A. Hydrogen B. Natural gas C. Propane D. Acetylene...

Compared with noble metals, base metals show_______________?

A. Increased hardness B. Increased ductility C. Better biocompatibility D. Increased density...

Casting shrinkage is compensated by_______________?

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