The simplest alloy is a_______________?
A. Solid solution
B. Eutectic alloy
C. Peritectic allowy
D. Ternary alloy
Physical Properties
Materials which has high compressive strength and low tensile strength is classified with property of________________?
Materials which has high compressive strength and low tensile strength is classified with property of________________?
A. Ductility
B. Brittleness
C. Malleability
D. Resilient
Maxwell – Voigt Model is to determine________________?
Maxwell – Voigt Model is to determine________________?
A. Elastic Behaviour
B. Plastic Behaviour
C. Viscoelastic Behaviour
D. All of the above
KHN value of Amalgam is_________________?
KHN value of Amalgam is_________________?
A. 90
B. 343
C. 67
D. 450
The melting point of silver is_____________?
The melting point of silver is_____________?
A. 1063° centigrade
B. 960° Centigrade
C. 850° Centrigrade
D. 1123° Centrigrade
Non metal which conducts elactricity______________?
Non metal which conducts elactricity______________?
A. Graphite
B. Carbon
C. Acrylic
D. Porcelain
Etching of dentin does not include_____________?
Etching of dentin does not include_____________?
A. Removal of smear layer
B. Exposure of collagen fibers
C. Opening of dentinal tubules
D. Increases surface energy
The Knoop Hardness Number of Microfilled composite Restorative material ranges from____________?
The Knoop Hardness Number of Microfilled composite Restorative material ranges from____________?
A. 50 – 60 KHN
B. 25 – 35 KHN
C. 15 – 20 KHN
D. 40 – 48 KHN
The elastic of plastic deformation to fracture a material is its_______________?
The elastic of plastic deformation to fracture a material is its_______________?
A. Toughness
B. Brittleness
C. Young’s modulus
D. Proportional limit
KHN of enamel is close to______________?
KHN of enamel is close to______________?
A. Pure gold
B. Amalgam
C. Prcelain
D. Composite