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

Which of the following is a correct expression of average particle size with value of p=1 i.e index related to the size of an individual particle and frequency index (f=2):

Which of the following is not an ACE inhibitor?

Kozeny carmen equation is used to determine the___.

One of the following apparatus is used to determine particle size by the gravity sedimentation method

Which of the following statement is NOT true regarding bulkiness ?

Which statements are correct for the micelle formation?
(P) Micelles are dynamic structures that are continually formed and broken down in solution.
(Q) The typical micelle diameter is about 2-3 μm and so they are visible under the light micro scope.
(R) Micelle formation is a spontaneous process.
(S) When the surfactant concentration is increased above the CMC, the number of micelles increases and the free surfactant concentration decreases below CMC.

Free flowing powders show a flatter cone and have

The type of particle diameter obtained by microscopic method of evaluation is

For the measurement of particle size of powders, the distance measured between two tangents on opposite sides of the particle parallel to some fixed direction is called

OROS is a technology developed for/as

______ system does not have orifice to release the drug.

Sieve size 80 has opening of