|
1.
|
A typical drying cycle
shows the following phases between moisture content and temperature(Match the
following)
1.
Phase-I:
(a)Initial adjustment
period
2.
Phase-II: (b)Constant rate period
3.
Phase-III: (c)Second falling rate period
4.
Phase-IV: (d)First
falling rate period
|
1-a, 2-b,3-d,4-c
|
|
2.
|
(i)
when condensation vapor is required the operation is called
distillation
(ii)
when the concentrated liquid residue is required the operation is
called evaporation.
(iii)
when the dried solid residue is required as product the process is
called drying
(iv)
HENRY’S LAW:The partial
pressure of a component over a solution is proportional to its mole fraction
in the liquid . select the correct answer:
a.
i,ii,iii are true, iv false
b. i,ii, are true, iii, iv are
false
c. All false d. all true
|
D
|
|
3.
|
Kilograms
of water vapor carried by one kilogram of dry air under a given set of
conditions are called:
(a) Dew point (b)
Humid volume
(c) Humidity (d)
Saturated air
|
C
|
|
4.
|
Filter
aid may be applied by technique:
(a) Precoating (b) Body –mix
(c) Both a and b
(d) None
|
C
|
|
5.
|
Numbers of pores per
inch of screen synonyms for :(a) Sieve No. (b)Mesh size(c)Both a and b
(d) none of above
|
C
|
|
6.
|
Effect
of concentration filter aid on rate of
filtration explained on the basis of :
(a) Bond equation
(b) Kozeny equation
(c) Rittinger
equation(d) None of these
|
B
|
|
7.
|
When the
value of the Reynolds number is less than 2000 the flow:
(a) Streamline (b) Transition
(c) Turbulent (d) None of these
|
A
|
|
8.
|
When
heat flow through a body without any observable motion of matter, the type of
heat flow is called:
(a)
Conduction.
(b)
Convection
(c)
Radiation
(d)
None
of these
|
A
|
|
9.
|
The
absorptivity of a gray body at a given temperature is :
(a)
constant
for all wavelengths of radiation
(b)
decrease
for all wavelengths of radiation
(c)
increase for all wavelengths of radiation
(d)
None
of these.
|
A
|
|
10.
|
The e (emissivity) of a black body is :
(a)
1
(b)
1.5
(c)
2
(d)
None
|
A
|
|
11.
|
The
temperature at which a mixture of air and water must be cooled in
order to become saturated:
(a) Dew point (b) Humid volume
(c) Humidity (d) Saturated air
|
A
|
|
12.
|
Efflorescent
materials have a natural tendency to :
(a)
of
absorbing moisture
(b)
to
absorb water and itself dissolves in it
(c)
to
loose water
(d)
none
of these
|
C
|
|
13.
|
I.
In the granulation section, air-conditions
are 45% RH at 220C.
II.
In the tablet-punching
section the air condition is less than 20% RH and 220C
III.
In soft gelatin
processing area the condition is 40% RH at 220C
IV.
In drying area the
condition is 30% RH at 200C
a. i,ii,iii are true, iv false b. i,ii, are true, iii, iv are
false
c.
All false d.
all true
|
D
|
|
14.
|
I.
Cubic - The three
crystallographic axes are all equal in length and intersect at right angles
(90 degrees) to each other. [a = b = c]
II.
Tetragonal - Three axes, all at
right angles, two of which are equal in length (a and b) and one (c) which is
different in length (shorter or
longer).
III.
Orthorhombic - Three axes, all at
right angles, and all three of different lengths. Note: If any axis was of
equal length to any other, then we would be in the tetragonal system
IV.
Hexagonal - Four axes, three of the
axes fall in the same plane and at 600 to each other.
a.
i,ii,iii are true, iv false
b. i,ii, are true, iii, iv are false
c. i true, and ii,iii,iv false
d. all true
|
D
|
|
15.
|
The birth
of a new solute particle in
Crystallization is known as:
(a) Crystal habit (b) crystal
lattice
(c) nucleation (d) crystal growth
|
D
|
|
16.
|
When the small and large
crystals are both present in a solution, the smaller crystals will dissolve
and the larger one will grow until the smaller crystals disappear. This
phenomenon is called
(a)
Ostwald
ripening
(b)
Contact
nucleation
(c)
Fluid
shear nucleation
(d)
None of these
|
A
|
|
17.
|
Solute
molecules or ions from the supersaturated solution
diffuses through the liquid phase to reach the crystal surface is known as :
(a)
Ostwald ripening
(b)
Diffusional step
(c)
Interfacial step
(d)
None of these
|
B
|
|
18.
|
Rate of heat transferred by convection is
equal to rate of heat lost by evaporation observed in :
(a) Dry bulb temperature (b) Wet bulb
temperature
(c) Both a and b (d) none
|
B
|
|
19.
|
Surface area per unit weight is known as :
(a) Specific gravity (b) Specific weight
(c)Specific surface(d) none
|
C
|
|
20.
|
Humidity of air can be determined by gravimetric method using
moisture absorbing material like:
(a) Phosphorous pentaoxide (b) Phosphorous bromide
(c)Phosphorus fluoride (d) none
|
A
|
|
21.
|
Lyophilization is also known as :
(a) Drying by sublimation (b) Freeze drying
(c)Both a and b (d) none
|
C
|
|
22.
|
Clarification
is term used when solid content ………….
 And
filtrate is primary product
(a) does not exceed 1
(b) exceed 1
(c ) does not exceed
2 (d) none of these
|
A
|
|
23.
|
Membrane integrity of membrane filter tested by :
a) Bubble point test (b) Diffusing testing
(c)Forward flow testing (d) all of above
|
D
|
|
24.
|
Pearlite
used as filter aid which is:
(a) Silica and aluminium silicate (b) Charcoal
(c) Kaolin (d)
Gealtin
|
A
|
|
25.
|
Which type of paper best
protects a divided hygroscopic powder?
(A)
waxed paper
(B)
glassine
(C)
white bond
(D)
blue bond
(E)
vegetable parchment
|
A
|
|
26.
|
Triple roller mill is used in mixing of:
(a) semi solids (b) solids
(c) liquids (d) none of these
|
A
|
|
27.
|
Endotoxin are:
(a) Class of pyrogen (b) Lipopolysaccrides in
nature
(c) Componets of cell wall of gram negative
bacteria (d)all
|
D
|
|
28.
|
Maximum volume for subcutaneous injection:
(a) 0.2 ml (b) 1ml
(c) 2ml (d) 1 litter
|
A
|
|
29.
|
Volume not more than should be administered by syringe:
(a) 0.2 ml (b) 5ml
(c) 20ml (d) 10 ml
|
C
|
|
30.
|
Water for injection does need to be sterile but does not more
than contain more than …………USP endotoxin units.
(a) 0.25 (b) 0.35
(c) 20 (d) 100
|
A
|
|
31.
|
Water for injection :
(a)does need to be sterile
(b) Conductivity should not >1 micromho
(C) purified by distillation or
two stage reverse osmosis
(d) all of above
|
D
|
|
32.
|
ZONES AS
PER GAZZETE OF INDIA (Environmental control zone groupings)
(Select theTrue one)
a.
White zone:-Final step ( filling
of parenteral)
b.
Grey zone:-weighing, Dissolution
& filtration.
c.
Black zone:-Storage, Worst area
from contamination view point
d. All of above
|
D
|
|
33.
|
Milling of brittle materials in small
mills follow :
(a) First order law
(b)zero
order law
(c) Second order law (d) none
|
A
|
|
34.
|
In dry milling moisture should not be
less than:
(a) 2
 (b) 3%
(c) 2% (d) 10%
|
A
|
|
35.
|
Which one of the following mechanisms
does not involve in extraction?
(a) Mixing (b) Diffusion
(c) Dissolution
(d) Interfacial phenomenon
|
D
|
|
36.
|
Solid –liquid extraction is achieved
using one of the following equipment:
(a) Screw press (b) Diffusion battery
(c) Baffle tower
(d) Podbileniak
|
B
|
|
37.
|
Which one of the following method is
used for distillation of camphor?
(a) Steam (b) Evaporative
(c) Azeotropic (d) Fractional
|
C
|
|
38.
|
Mean free path is associated with which
type of distillation?
(a) Steam (b) Evaporative
(c) Azeotropic (d) Fractional
|
A
|
|
39.
|
Which one of the following rate is
observed in mixing of solids?
(a) First order law
(b)zero order
law
(c) Second order law (d)
none
|
A
|
|
40.
|
Silverson mixer is used for preparation
of :
(a) Syrups (b)Emulsion
(c) Elixirs (d) suspension
|
B
|
|
41.
|
Parameter standard deviation is one of
the indicator for mixing of powders:
(a) Mixing indices (b)Scattering of
particles
(c) Uniformity of mixing (d) Segregation of particles
|
C
|
Tuesday 7 February 2017
PHARMACEUTICS MCQS
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