Top 50+ Solved Rheology MCQ Questions Answer
Q. Which of the following viscometer is also called suspended-level viscometer
a. Ubbelohde viscometer
b. Capillary viscometer
c. Ostwald viscometer
d. Cone and plate viscometer
Q. Concentrated solid suspension generally exhibit
a. Dilatant flow
b. Pseudoplastic flow
c. Plastic flow
d. All of the above
Q. Rheology is the
a. Science or study of the flow of a material.
b. Study of particle size
c. Study of formation of colloids
d. Study of formation of complex
Q. The change in velocity between two planes of liquid which is separated by distance is called
a. Rate of shear
b. Shearing stress
c. Strain
d. Yield value
Q. Which of the following viscometer is based on the principle of Stokes' Law.
a. Cup and Bob viscometer
b. Falling Sphere Viscometer
c. Cone and plate viscometer
d. Rotational viscometer
Q. The resistance of a liquid to flow is termed as
a. Viscosity
b. Density
c. In ter facial tension
d. Surface tension
Q. A shear stress-shear rate relationship is generally explained in the form of curve i.e. or………
a. Rheogram
b. Consistency curve
c. Both of the above
d. None of the above
Q. The cgs physical unit for kinematic viscosity is ...............
a. Stokes (St)
b. Pascale (PS)
c. Newton
d. None of the above
Q. As the temperature increases, the viscosity of liquid...............
a. Decreases
b. Increases
c. Sustainly increases
d. Remains constant
Q. The curve for a pseudo plastic material rheogram................
a. starts at the origin
b. starts at the top
c. both of the above
d. none of the above
Q. In psedoplastic flow as shear stress increases, shear rate...............
a. Increases
b. Increases but linear
c. Increases but not linear
d. Decreases
Q. Dilatant materials are frequently called as...............
a. strain-thinning systems
b. shear-thickening systems
c. shear-thinning systems
d. strain-thinning systems
Q. The Rheogram of thixotropic material determined by...................
a. Duration through which sample is exposed to any one shear rate.
b. Rate at which shear increased or decreased.
c. Both of the above
d. None of the above
Q. ....... is the isothermal and moderately slow recovery on standing of material of which stability lost owing to shearing.
a. Thermochemistry
b. Viscosity
c. Entiotropy
d. Thixotropy