List of top Physical Pharmacy Questions on Viscosity and rheology asked in Graduate Pharmacy Aptitude Test

Which of the following type of viscometer is used for the measurement of viscosity of a Newtonian fluid:

Which among the following is an amino-alcohol analogue that has weak visceral anticholinerergic activity but is a strong nicotinolytic drug?

In a mechanical model of a viscoelastic material, showing both viscosity of liquid state and elasticity of solid-state combined in series is termed as:

The system volume is increased when sheared is called

Centistoke is the CGS unit for the following property:

Which one of the following viscometers can be used for characterizing non-Newtonian system ?

Suspensions of starch in water exhibit:-

Materials whose consistency depends on the duration of shear, as well as on the rate of shear, exhibit:-

Hoeppler viscometer is a type of

Time dependent dilatant behavior is knows as

Which of the following statements about bentonite are CORRECT
(P) Gycerin is used to pre-wet the bentonite prior to mixing with water to form its gel
(Q) Aqueous bentonite suspensions retain their viscosity above pH 6 but are precipitated by acids
(R) MgO increase gel formation while alcohol in significant amounts can precipitate bentonite gel
(S) Betonite exhibits rheopexy

_____Is needed for suspensions, lotions, emulsions, creams and ointments to keeps a high container consistency and yet pour and spread easily when needed. It also is satisfactory for IM slow release yet easy to inject

Reynold's number is given by_____

Which viscometer is used to measure Newtonian flow?