Coefficienty of thermal expansion of tooth enamel is closest to_______________?
A. Slicate cement
B. Composite
C. GIC
D. Polycarboxylate
Medical Mcqs
The forces that hold atoms together are called_____________?
The forces that hold atoms together are called_____________?
A. Primary forces
B. Secondary forces
C. Cohesive forces
D. Ionic forces
A material which partially transmits light & partially scatters it________________?
A material which partially transmits light & partially scatters it________________?
A. Reflector
B. Translucent
C. Transparent
D. Opaque
Angles between Adhesive and Adherent is Zero degree, it indicates_______________?
Angles between Adhesive and Adherent is Zero degree, it indicates_______________?
A. Complete wetting of surfaces
B. Rough surfaces between Adhesive & Adherent
C. Adherent and Adhesive molecules are tangent to each other
D. Irregularities present between Adherent surfaces
Brazilian test is used to determine the ultimates tensile strength of_________________?
Brazilian test is used to determine the ultimates tensile strength of_________________?
A. Ductile materials
B. Flexible materials
C. Brittle materials
D. Malleable materials
For adhesion to be present between solid and liquid________________?
For adhesion to be present between solid and liquid________________?
A. Liquid should wet solid surface
B. Mechanical interlocking should be present
C. Should have high contact angle
D. None of the above
When two metals are completely miscible in liquid state and they remain completely mixed on solidifiation, the alloy formed is called________________?
When two metals are completely miscible in liquid state and they remain completely mixed on solidifiation, the alloy formed is called________________?
A. Solid solution
B. Eutectic mixture
C. Peritectic mixture
D. Inter metallic compounds
A crystal in metal substructure is_______________?
A crystal in metal substructure is_______________?
A. Grain
B. Nucleus
C. Stroma
D. None of the above
Munsell system is used to_________________?
Munsell system is used to_________________?
A. Define and measure colour qualitatively
B. Define and measure physical properties of gold alloys
C. Evaluate brittleness of different alloys
D. Measures different colours quantitatively
Space lattice refers to_______________?
Space lattice refers to_______________?
A. Inter atomic movement
B. Inter atomic imbalance
C. Arrangement of atoms
D. Arrangement of molecules