Solutions For Old MidSem Papers
Q1. (a) Why is capital budgeting important?
(b) Why is it desirable to carry out Preliminary Analysis?
(c) Mention any 2 sources of positive NPV for a project.
(a) Long term effects, irreversibility, substantial outlays
BIRLA INSTITUTE OF TECHNOLOGY & SCIENCE, PILANI
I SEMESTER 2014-15
COURSE NO. ECON F411/ MGTS C451/ MBA C454
COURSE TITLE: PROJECT APPRAISAL
Mid Semester Test (Closed Book)
Note: (i) Every question carries 5 marks.
Coarse dispersions in which solid particles are
dispersed in a liquid medium usually water
BITS Pilani, Pilani Campus
Based on general classes
Orally administered mixtures
Externally applied suspensions (lotions)
Dr. ANUPAMA MITTAL
Rheo to flow
Rheology is the study of the flow of materials and
deformation of solids.
The study of viscosity is of true liquids, solutions, dilute
and concentrated colloidal systems.
In the liquid state, the cohesive forces between adjacent molecules
are well developed.
For the molecules in the bulk of a liquid
They are surrounded in all directions by other molecules for which
The term micromeritics simply
indicates the study of science of small
The drug content in a tablet or
capsule dosage form is influenced by
the particle size and the size
The availability of a drug to reach
Dr. ANUPAMA MITTAL
APPLICATIONS OF REACTION KINETICS
elimination from the body
Shelf life determination
SHELF LIFE DETERMI
PROPERTIES OF POWDERS
IMPORTANCE OF POWDER PROPERTIES
is important to understand the properties
(intrinsic as well as derived) of the powders since
they play an important role in
Product development, manufacturing, and the quality of
a finished produ
Pre-formulation stability studies are usually
the first quantitative assessment of chemical
stability of a new drug.
solution stability and,
solid state stability
The first step is the development of a
specific assay or ana
Drug in blood or other
fluids & tissues
Dissolution refers to a process by which a solid phase
(e.g. a tablet or capsule) goes into solution phase such
Dissolution is a process i
Polymorphism is the ability of the compound to crystallize
as more than one distinct crystalline species with different
Impact of polymorphism
o Physico-chemical properties- melting point, density, hardness,
Types of emulsions
Tests for emulsion types
It is defined as thermodynamically unstable system
consisting of at least two immis
Complexes constitute a special class of compounds which result
from some type of interaction among different chemical species.
The inter molecular forces involved in formation of complexes are
Covalent or coordinate bonds
Dispersed systems consist of particulate matter (dispersed phase),
distributed throughout a continuous phase (dispersion medium).
They are classified according to the mean particle diameter of the
Adsorption is the process in which matter is extracted from one phase
and is concentrated at the interfacial surface of a second phase.
(interface accumulation). It occurs at the interface of two phases
such as liquid/liquid, gas/sol
BIRLA INSTITUTE OF TECHNOLOGY AND SCIENCE, Pilani
SECOND SEMESTER 2014-2015
COURSE HANDOUT (Part-II)
In addition to part-I (General Handout for all courses appended to the time table) this portion gives