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Questions and Answers
What is the meaning of the term 'Rheology'?
What is the meaning of the term 'Rheology'?
- The science of fluid flow
- The science of stress and deformation
- The science of deformation of matter under the influence of stress (correct)
- The study of elastic and plastic deformation
What is the primary characteristic of a Newtonian liquid?
What is the primary characteristic of a Newtonian liquid?
- It exhibits plastic deformation
- It exhibits elastic deformation
- Viscosity changes with the applied shear force
- Viscosity remains constant with the applied shear force (correct)
What is the unit of viscosity equivalent to 100 centipoise?
What is the unit of viscosity equivalent to 100 centipoise?
- Dyne
- Newtons
- Pascal
- Poise (correct)
What type of deformation is reversible?
What type of deformation is reversible?
What is the relationship between the rate of shear and shearing stress in Newtonian fluids?
What is the relationship between the rate of shear and shearing stress in Newtonian fluids?
What is the term for the measure of a fluid's resistance to flow upon application of a certain shear stress?
What is the term for the measure of a fluid's resistance to flow upon application of a certain shear stress?
What is the reciprocal of viscosity?
What is the reciprocal of viscosity?
What happens to the viscosity of liquids when the temperature is increased?
What happens to the viscosity of liquids when the temperature is increased?
What is the equation that describes the relationship between viscosity and temperature?
What is the equation that describes the relationship between viscosity and temperature?
What is the characteristic of a plastic flow rheogram?
What is the characteristic of a plastic flow rheogram?
What type of flow does not occur until a shearing stress corresponding to the yield value is exceeded?
What type of flow does not occur until a shearing stress corresponding to the yield value is exceeded?
What is the type of flow that exhibits a decrease in viscosity with an increase in shear rate?
What is the type of flow that exhibits a decrease in viscosity with an increase in shear rate?
What is the characteristic of a deflocculated suspension at rest?
What is the characteristic of a deflocculated suspension at rest?
What is the process of accelerated reformation of the gel consistency after deformation by applying gentle or regular movements?
What is the process of accelerated reformation of the gel consistency after deformation by applying gentle or regular movements?
Which type of viscometer is used for measuring the viscosity of non-Newtonian fluids?
Which type of viscometer is used for measuring the viscosity of non-Newtonian fluids?
What is the term for the time-dependent changes in the viscosity of non-Newtonian liquids at a changeable shearing stress?
What is the term for the time-dependent changes in the viscosity of non-Newtonian liquids at a changeable shearing stress?
What is the characteristic of a dilute suspension?
What is the characteristic of a dilute suspension?
What is the type of viscometer that uses 20-50 ml sample?
What is the type of viscometer that uses 20-50 ml sample?
What is the effect of high shear on polymers during preparation of products?
What is the effect of high shear on polymers during preparation of products?
What is the effect of electrolytes at high concentration on polymer viscosity?
What is the effect of electrolytes at high concentration on polymer viscosity?
What is the effect of pH on some polymers?
What is the effect of pH on some polymers?
What is the effect of temperature on polymer viscosity?
What is the effect of temperature on polymer viscosity?
What is the effect of aeration on polymer viscosity?
What is the effect of aeration on polymer viscosity?
What is the effect of light on some polymers?
What is the effect of light on some polymers?
What is the percentage of aqueous Penicillin G Procaine suspension that transforms from a fluid to a compacted depot in the muscle?
What is the percentage of aqueous Penicillin G Procaine suspension that transforms from a fluid to a compacted depot in the muscle?
What is affected by the viscosity of creams and lotions?
What is affected by the viscosity of creams and lotions?
What is improved in thixotropic preparations?
What is improved in thixotropic preparations?
What is related to the diagnosis of diseases?
What is related to the diagnosis of diseases?
What is minimized or eliminated by formulation of flocculated suspensions with thixotropic characters?
What is minimized or eliminated by formulation of flocculated suspensions with thixotropic characters?
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