Dental Materials - Physical Properties
Quiz-summary
0 of 55 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
Information
This is the MCQs of Dental Materials
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 55 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- Answered
- Review
-
Question 1 of 55
1. Question
Stress in defined as:
Correct
Incorrect
-
Question 2 of 55
2. Question
Strain is defined as:
Correct
Incorrect
-
Question 3 of 55
3. Question
The proportional limit is defined as:
Correct
Incorrect
-
Question 4 of 55
4. Question
The modulus of elasticity is defined as:
Correct
Incorrect
-
Question 5 of 55
5. Question
Compressive stress is computed by dividing the external force by the:
Correct
Incorrect
-
Question 6 of 55
6. Question
The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as:
Correct
Incorrect
-
Question 7 of 55
7. Question
The point at which a stress of a material exhibits a specific limited deviation P is called:
Correct
Incorrect
-
Question 8 of 55
8. Question
Hardness number which does not depend on the ductility of metal
Correct
Incorrect
-
Question 9 of 55
9. Question
Ability of an orthodontic wire to spring back to its original shape is evaluated by:
Correct
Incorrect
-
Question 10 of 55
10. Question
Brinnel hardness number of a dental gold alloy is directly proportional to its:
Correct
Incorrect
-
Question 11 of 55
11. Question
Ultimate tensile strength refers to:
Correct
Incorrect
-
Question 12 of 55
12. Question
When solid gets wet completely contact angle is:
Correct
Incorrect
-
Question 13 of 55
13. Question
Property of the material, which describes the resistance to abrasion, is:
Correct
Incorrect
-
Question 14 of 55
14. Question
Modulus of elasticity means:
Correct
Incorrect
-
Question 15 of 55
15. Question
A material behaves in certain ways above and below the proportional limit on a stress strin curve, which of the following is correct:
Correct
Incorrect
-
Question 16 of 55
16. Question
Sublimation is the conversion of a:
Correct
Incorrect
-
Question 17 of 55
17. Question
Which of the following physical property can be used to estimate indirectly the proportional limit of gold alloys?
Correct
Incorrect
-
Question 18 of 55
18. Question
Ductility of a material is a measure of it’s
Correct
Incorrect
-
Question 19 of 55
19. Question
The ability of an alloy to withstand mechanical stresses without permanent deformation is reflected by its:
Correct
Incorrect
-
Question 20 of 55
20. Question
The stiffness of a dental gold alloy is determined by its:
Correct
Incorrect
-
Question 21 of 55
21. Question
The ability of the base to resist occlusal forces and to support the restoration is affected by:
Correct
Incorrect
-
Question 22 of 55
22. Question
Coefficient of thermal expansion of which of following is most similar to that of tooth?
Correct
Incorrect
-
Question 23 of 55
23. Question
Flow of a material refers to:
Correct
Incorrect
-
Question 24 of 55
24. Question
The wetting of an adherent surface by an adhesive is related to:
Correct
Incorrect
-
Question 25 of 55
25. Question
Which of the following properties of dental materials is time dependent
Correct
Incorrect
-
Question 26 of 55
26. Question
Which of the following has the highest modulus of elasticity?
Correct
Incorrect
-
Question 27 of 55
27. Question
Which of the following hardness test is a micro hardness test?
Correct
Incorrect
-
Question 28 of 55
28. Question
A restorative material which has a high proportional limit, compared with one with a lower proportional limit would have:
Correct
Incorrect
-
Question 29 of 55
29. Question
A fluid having constant viscosity that does not depend upon the strain rate is said to be:
Correct
Incorrect
-
Question 30 of 55
30. Question
Liquids which become more rigid as the rate of deformation increases is termed as:
Correct
Incorrect
-
Question 31 of 55
31. Question
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?
Correct
Incorrect
-
Question 32 of 55
32. Question
The strain that occurs when a material is stressed to its proportional limit is:
Correct
Incorrect
-
Question 33 of 55
33. Question
KHN of enamel is close to:
Correct
Incorrect
-
Question 34 of 55
34. Question
Space lattice refers to:
Correct
Incorrect
-
Question 35 of 55
35. Question
The elastic of plastic deformation to fracture a material is its:
Correct
Incorrect
-
Question 36 of 55
36. Question
Munsell system is used to:
Correct
Incorrect
-
Question 37 of 55
37. Question
The Knoop Hardness Number of Microfilled composite Restorative material ranges from:
Correct
Incorrect
-
Question 38 of 55
38. Question
A crystal in metal substructure is:
Correct
Incorrect
-
Question 39 of 55
39. Question
Etching of dentin does not include:
Correct
Incorrect
-
Question 40 of 55
40. Question
When two metals are completely miscible in liquid state and they remain completely mixed on solidifiation, the alloy formed is called:
Correct
Incorrect
-
Question 41 of 55
41. Question
Non metal which conducts elactricity
Correct
Incorrect
-
Question 42 of 55
42. Question
For adhesion to be present between solid and liquid
Correct
Incorrect
-
Question 43 of 55
43. Question
The melting point of silver is:
Correct
Incorrect
-
Question 44 of 55
44. Question
Brazilian test is used to determine the ultimates tensile strength of:
Correct
Incorrect
-
Question 45 of 55
45. Question
KHN value of Amalgam is:
Correct
Incorrect
-
Question 46 of 55
46. Question
Angles between Adhesive and Adherent is Zero degree, it indicates:
Correct
Incorrect
-
Question 47 of 55
47. Question
Maxwell – Voigt Model is to determine
Correct
Incorrect
-
Question 48 of 55
48. Question
A material which partially transmits light & partially scatters it:
Correct
Incorrect
-
Question 49 of 55
49. Question
Materials which has high compressive strength and low tensile strength is classified with property of:
Correct
Incorrect
-
Question 50 of 55
50. Question
The forces that hold atoms together are called:
Correct
Incorrect
-
Question 51 of 55
51. Question
The simplest alloy is a:
Correct
Incorrect
-
Question 52 of 55
52. Question
Coefficienty of thermal expansion of tooth enamel is closest to:
Correct
Incorrect
-
Question 53 of 55
53. Question
In measuring Vickers hardness no. Which of the following is used:
Correct
Incorrect
-
Question 54 of 55
54. Question
Deformation that is recovered upon removal of an externally applied force or pressure is known as:
Correct
Incorrect
-
Question 55 of 55
55. Question
A good adhesive should possess all of the following EXCEPT:
Correct
Incorrect