Compared with noble metals, base metals show_______________?

Related Mcqs:

Glossy smooth margins of a casting are due to_____________?

A. Shrinkage of alloy on cooling B. Investment breakdown C. Incomplete wax elimination D. Incomplete gas elimination...

Reduction in the fusion temperature of dental gold casting alloys is caused by presence of______________?

A. Platinum B. Copper C. Silver D. Gold...

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...

Dendrites in cst alloys form by mechanism of_________________?

A. Constitutional superconductivity B. Constitutional supercooling C. Constitutional supergriting D. Constitutional supergraining...

Which zone is the hottest and efficient burning zone of the flame used for casting ?

A. Oxidizing zone B. Reducing zone C. Combustion zone D. None of the above...