Deck 5: Materials and Processes

Question 1

Dry spots are formed during one of the following period?

A)Constant Rate period
B)First Falling period
C)Initial Adjustment period
D)Second falling period

Answer 1

First Falling period

Question 2

Eutectic Point is an important factor for one of the following drying processes?

A)Drum Drying
B)Fluidized Bed Drying
C)Tray drying
D)Freeze Drying

Answer 2

Freeze Drying

Question 3

Filtration is a unit operation that is commonly used for collecting:

A)Filtrate
B)Particulate matter
C)Precipitate
D)Slurry

Answer 3

Filtrate

Question 4

Who has proposed that the filtration process is similar to the streamline flow of a liquid under pressure through capillaries?

A)Carman
B)Darcy
C)Kozeny
D)Poiseuilli

Question 5

Which is the principle difference in the properties that influences centrifugation?

A)Densities
B)Interfacial Tensions
C)Particle size
D)Viscosities

Question 6

Centrifugal method is used for one of the following process:

A)Mixing
B)Purification
C)Separation
D)Sizing

Question 7

Water Attack test is performed on glass in order to find the limits of one of the following?

A)Acid liberated
B)Alkali liberated
C)Conductivity
D)Metal ions

Question 8

In Pharmaceutical packing, collapsible tubes made from lead are not used as such, for one of the following reason.

A)Costly metal
B)Difficulty in packing
C)Risk of Poisoning
D)Soft in strength

Question 9

One of the following glass containers is used for the storage of light sensitive pharmaceuticals.

A)Air-Tight
B)Amber Colored
C)Unit Dose
D)Well closed

Question 10

Containers meant for storage of injections (buffered & unbuffered aqueous solutions) are made from one of the following type of glasses.

A)Borosilicate
B)General Purpose
C)Lime soda
D)Neutral

Question 11

Hermetic sealed containers are also known as:

A)Air-Tight Containers
B)Multi-dose containers
C)Single-Dose containers
D)Well-closed containers

Question 12

Which metal makes steel corrosion resistant?

A)Copper and selenium
B)Tantalum and molybdenum
C)Chromium and Nickel
D)Titanium and Niobium

Question 13

The ability of a metal surface to withstand repeated cycles of corrosion is known as:

A)Cavitation erosion
B)Corrosion fatigue
C)Erosion
D)Stress of corrosion cracking

Question 14

Corrosion of metals is fairly high in one of the following medium:

A)Acidic
B)Alkaline
C)Neutral
D)Non-Aqueous

Question 15

Galvanic Corrosion is observed, when external electric current in solution is passed between one of the following combinations:

A)Gold & Platinum
B)Iron & hydrogen
C)Iron & Iron
D)Zinc & Copper

Question 16

In Cyclone separator, the separation depends on:

A)Size & Shape
B)Shape and Surface area
C)Size & Density
D)Surface texture & Size

Question 17

One of the theories is NOT applicable to distillation:

A)Graham's law of diffusion
B)Law of conservation of energy
C)Law of conservation of matter
D)Raoult's Law

Question 18

Which product is NOT dried by spray dryer?

A)Serum
B)Fruit Juice
C)Lactose
D)Bacterial & viral cultures

Question 19

The correct definition of filtration is:

A)When solids are present in a very low concentration, i.e., not exceeding 1.0% w/v, the process of its separation from liquids
B)When solids are present in a very low concentration, i.e., not exceeding 5.0% w/v, the process of its separation from liquids
C)When solids are present in a very low concentration, i.e., not exceeding 2.0% w/v, the process of its separation from liquids
D)When solids are present in a very low concentration, i.e., not exceeding 7.0% w/v, the process of its separation from liquids