In measuring Vickers hardness no. Which of the following is used________________?

Related Mcqs:

1. Which of the following hardness test is a micro hardness test ?

   A. Brinnel
   B. Knoop
   C. Shore-A
   D. Rockwell

2. A patient with carinoma cheek has tumor of 2.5 cms located close to and involving the lower alveolus. A single mobile homolateral node measuring node measuring 6 cm is palpable. Based on these clinical findings TNM stage of the tumor is______________?

   A. T1 N1 Mo
   B. T2 N2 Mo
   C. T3 N1 Mo
   D. T4 N2 Mo

3. 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

4. Hardness number which does not depend on the ductility of metal_____________?

   A. KNH
   B. VHN
   C. RHN
   D. BHN

5. Brinnel hardness number of a dental gold alloy is directly proportional to its______________?

   A. Tensile strength
   B. Elongation
   C. Modulus of elasticity
   D. Modulus of resilience

6. By increasing the percentage of which metal, the strength and hardness of amalgam increases_____________?

   A. Ag
   B. Zn
   C. Cu
   D. Hg

7. The relative hardness of elastomere is determined using________________?

   A. Rockwell tester
   B. Barcol indenter
   C. Knoop pyramid
   D. Shore durometer

8. Hardness of fully mineralized cementum is_____________?

   A. Less than dentin
   B. More than dentin
   C. Equal dentin
   D. None of the above

9. The glomerular filtration rate of the human kidney may be determined by measuring the plasma clearance of______________?

   A. PAH
   B. Urea
   C. Inulin
   D. Glucose

10. The deficiency of thiamine can be identified by measuring the red cell______________?

    A. Transketaolase
    B. Transaldolase
    C. Alpha ketoglutarate dehydrogenase
    D. Pyruvate dehydrogenase