A. Brinnel
B. Knoop
C. Shore-A
D. Rockwell
Correct Answer: Knoop ✔
Last Updated: February 07, 2020
Related MCQs
- A material behaves in certain ways above and below the proportional limit on a stress strin curve, which of the following is correct__________?
- Deformation that is recovered upon removal of an externally applied force or pressure is known as__________?
- Coefficienty of thermal expansion of tooth enamel is closest to__________?
- The forces that hold atoms together are called__________?
- A material which partially transmits light & partially scatters it__________?
- Angles between Adhesive and Adherent is Zero degree, it indicates__________?
- Brazilian test is used to determine the ultimates tensile strength of__________?
- For adhesion to be present between solid and liquid__________?
- When two metals are completely miscible in liquid state and they remain completely mixed on solidifiation, the alloy formed is called__________?
- A crystal in metal substructure is__________?
- Munsell system is used to__________?
- Space lattice refers to__________?
- The strain that occurs when a material is stressed to its proportional limit is__________?
- Liquids which become more rigid as the rate of deformation increases is termed as__________?
- A restorative material which has a high proportional limit, compared with one with a lower proportional limit would have__________?
- Which of the following has the highest modulus of elasticity ?
- The wetting of an adherent surface by an adhesive is related to__________?
- Coefficient of thermal expansion of which of following is most similar to that of tooth ?
- The stiffness of a dental gold alloy is determined by its__________?
- Ductility of a material is a measure of it’s__________?
- Sublimation is the conversion of a__________?
- Modulus of elasticity means__________?
- When solid gets wet completely contact angle is__________?
- Brinnel hardness number of a dental gold alloy is directly proportional to its__________?
- Hardness number which does not depend on the ductility of metal__________?
- The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as__________?
- The modulus of elasticity is defined as__________?
- Strain is defined as__________?
- A good adhesive should possess all of the following EXCEPT__________?
- In measuring Vickers hardness no. Which of the following is used__________?
- The simplest alloy is a__________?
- Materials which has high compressive strength and low tensile strength is classified with property of__________?
- Maxwell – Voigt Model is to determine__________?
- KHN value of Amalgam is__________?
- The melting point of silver is__________?
- Non metal which conducts elactricity__________?
- Etching of dentin does not include__________?
- The Knoop Hardness Number of Microfilled composite Restorative material ranges from__________?
- The elastic of plastic deformation to fracture a material is its__________?
- KHN of enamel is close to__________?
- Which one of the following is the result of applying a load to a wire below its modulus of elasticity on a load deflection diagram ?
- A fluid having constant viscosity that does not depend upon the strain rate is said to be__________?
- Which of the following properties of dental materials is time dependent__________?
- Flow of a material refers to__________?
- The ability of the base to resist occlusal forces and to support the restoration is affected by__________?
- The ability of an alloy to withstand mechanical stresses without permanent deformation is reflected by its__________?
- Which of the following physical property can be used to estimate indirectly the proportional limit of gold alloys ?
- Property of the material, which describes the resistance to abrasion, is__________?
- Ultimate tensile strength refers to__________?
- Ability of an orthodontic wire to spring back to its original shape is evaluated by__________?
- The point at which a stress of a material exhibits a specific limited deviation P is called__________?