Dental Materials | Test For NTS PPSC FPSC, TEST

The main form of iron carbide found in 18-8 steel________________?

Hamad Metallurgy 01/06/2020

A. Martensite
B. Ferrite
C. Austenite
D. Pearlite

Which of the following is correct glass transition temperature of Impression compound ?

Hamad Impression Materials 01/06/2020

A. 43.5°C
B. 39°C
C. 65°C
D. 100°C

Opaque porcelain________________?

Hamad Dental Ceramics & Miscellaneous 30/05/2020

A. Is Feldspathic glass
B. Contains opacifier like zirconium and titanium oxide
C. Not used to mask the colour of the cement used in placing of restoration
D. Used to produce the characteristic translucence, which is an inherent aspect of the incisal edge in natural teeth

Syringe material is______________?

Hamad Impression Materials 30/05/2020

A. High viscosity elastomer
B. Medium viscosity elastomer
C. Medium & low viscosity elastomer
D. Low viscosity elastomer

Stress in defined as_______________?

Hamad Physical Properties 29/05/2020

A. An applied load or force
B. A deformation resulting from an applied load
C. An external force opposing an applied load
D. An internal force opposing an applied load