A fluid having constant viscosity that does not depend upon the strain rate is said to be_______________?

Related Mcqs:

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

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

2. Strain is defined as_____________?

   A. An applied load or force
   B. A deformation resulting from an applied load
   C. An external force opposing an applied load
   D. An internal force opposing an applied load

3. The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as_____________?

   A. The elastic limit
   B. The proportional limit
   C. The yield strength
   D. Modulus of elasticity

4. The strain that occurs when a material is stressed to its proportional limit is______________?

   A. Resilience
   B. Maximum flexibility
   C. Toughness
   D. Elastic limit

5. Which of the following decrease with strain hardening______________?

   A. Surface hardness
   B. Strength
   C. Proportion limit
   D. Corrosion resistance

6. Minimum thickness for type I zinc phosphate cement should be_______________?

   A. 15 microns
   B. 25 microns
   C. 50 microns
   D. 100 microns

7. A deep pit lined by enamel seen in the lingual surface of Maxillary lateral incipor is most likely to be_______________?

   A. Dens in dente
   B. Enamel Hypoplasia
   C. Talon’s cusp
   D. Enamel Pearl

8. The rate of tarnish and corrosion of class II cast material having VHN 200 is_______________?

   A. 0%
   B. 2 to 3%
   C. 5 to 10%
   D. <1%

9. The impression materials with lowest viscosity is_____________?

   A. Plaster of paris
   B. Agar – agar
   C. Zinc oxide eugenol
   D. Elastomers

10. Which one of the following increase the strength and reduce viscosity of agar hydrocolloid impression material_____________?

    A. Borax
    B. Water
    C. Sulfates
    D. Carbonates