MCQOPTIONS
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MCQOPTIONS
This section includes 115 Mcqs, each offering curated multiple-choice questions to sharpen your Company QA knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The hammer mill operates on the principle of: |
| A. | Impact |
| B. | Attrition |
| C. | Compression |
| D. | Cutting |
| Answer» B. Attrition | |
| 52. |
Which one is called coarse powder? |
| A. | It is powder in which all the particles must pass through the sieve no. 10 |
| B. | It is powder in which all the particles must pass through the sieve no. 22 |
| C. | It is powder in which all the particles must pass through the sieve no. 44 |
| D. | It is powder in which all the particles must pass through the sieve no. 85 |
| Answer» B. It is powder in which all the particles must pass through the sieve no. 22 | |
| 53. |
Which of the following type of product is having equilibrium moisture content (EMC) of practicallyZero? |
| A. | Non-Porous & Insoluble |
| B. | Non-Porous & Soluble |
| C. | Porous & Insoluble |
| D. | Porous & Soluble |
| Answer» B. Non-Porous & Soluble | |
| 54. |
Source of heat in most of the evaporator: |
| A. | Coal |
| B. | Steam |
| C. | Hot water |
| D. | Oil bath |
| Answer» C. Hot water | |
| 55. |
Product size achieved by hammer mill is |
| A. | 4-325 mesh |
| B. | 20-200 mesh |
| C. | 20-80 mesh |
| D. | 1-30 microns |
| Answer» B. 20-200 mesh | |
| 56. |
Corrosion of metals is fairly high in one of the following medium: |
| A. | Acidic |
| B. | Alkaline |
| C. | Neutral |
| D. | Non-Aqueous |
| Answer» B. Alkaline | |
| 57. |
In V-Cone Blender, if the speed is increased to high speed, what is observed? |
| A. | Segregation |
| B. | Sedimentation |
| C. | Separation |
| D. | None of these |
| Answer» B. Sedimentation | |
| 58. |
In Pharmaceutical packing, collapsible tubes made from lead are not used as such, for one of thefollowing reason. |
| A. | Costly metal |
| B. | Difficulty in packing |
| C. | Risk of Poisoning |
| D. | Soft in strength |
| Answer» D. Soft in strength | |
| 59. |
Aerosol preparations have which phase of mixing? |
| A. | Solid-Liquid Mixing |
| B. | Liquid-Liquid Mixing |
| C. | Liquid-Gas Mixing |
| D. | None of these |
| Answer» D. None of these | |
| 60. |
Double neck Distillation Flask is known as? |
| A. | Claisen Flask |
| B. | Round Bottom Flask |
| C. | Florentine Flask |
| D. | None of the above |
| Answer» B. Round Bottom Flask | |
| 61. |
Bond’s work Index is the work required to reduce a unit weight from a theoretical infinite size to 80%passing ______µm. |
| A. | 10 |
| B. | 100 |
| C. | 25 |
| D. | None of these |
| Answer» C. 25 | |
| 62. |
The working of Fluid energy mill is based on principle of |
| A. | Impact |
| B. | Attrition |
| C. | Cutting |
| D. | Both a & b |
| Answer» C. Cutting | |
| 63. |
Calendria consists of no. of |
| A. | Baffles |
| B. | Jacket |
| C. | Tubular surfaces |
| D. | None of these |
| Answer» D. None of these | |
| 64. |
Which of the following is used for drying blood plasma: |
| A. | Spray drying |
| B. | Freeze drying |
| C. | Vacuum Drying |
| D. | Fluid Bed drying |
| Answer» C. Vacuum Drying | |
| 65. |
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 |
| Answer» C. Unit Dose | |
| 66. |
The distilled water is collected in _________. |
| A. | Receiver |
| B. | Adapter |
| C. | Condenser |
| D. | Round Bottom Flask |
| Answer» B. Adapter | |
| 67. |
For ease in size reduction, the material should be. |
| A. | Hard, brittle |
| B. | Soft, tough |
| C. | Hard, tough |
| D. | Soft, brittle |
| Answer» B. Soft, tough | |
| 68. |
Mechanism not used in solid-solid Mixing: |
| A. | Connective |
| B. | Shear Mixing |
| C. | Diffusion |
| D. | Tumbling |
| Answer» E. | |
| 69. |
Following factor does NOT influence film coefficient: |
| A. | Thermal conductivity of the liquid |
| B. | Specific heat of the film |
| C. | pH of the liquid |
| D. | Density of the liquid |
| Answer» D. Density of the liquid | |
| 70. |
Who has proposed that the filtration process is similar to the streamline flow of a liquid underpressure through capillaries? |
| A. | Carman |
| B. | Darcy |
| C. | Kozeny |
| D. | Poiseuilli |
| Answer» E. | |
| 71. |
Ideally in mixing equipment, powder should be filled: |
| A. | Not more than 40% |
| B. | Not more than 50% |
| C. | Not more than 60% |
| D. | Not more than 70% |
| Answer» D. Not more than 70% | |
| 72. |
Mean free path is associated with which type of distillation? |
| A. | Steam |
| B. | Evaporative |
| C. | Azeotropic |
| D. | Fractional |
| Answer» B. Evaporative | |
| 73. |
Containers meant for storage of injections (buffered & unbuffered aqueous solutions) are made fromone of the following type of glasses. |
| A. | Borosilicate |
| B. | General Purpose |
| C. | Lime soda |
| D. | Neutral |
| Answer» B. General Purpose | |
| 74. |
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 |
| Answer» C. Erosion | |
| 75. |
The amount of radiation mainly depends on: |
| A. | Nature of body |
| B. | Temperature of body |
| C. | Type of Surface of body |
| D. | All of the above |
| Answer» E. | |
| 76. |
Vertical Tube evaporator is also known as: |
| A. | Horizontal Tube evaporator |
| B. | Basket type evaporator |
| C. | Short Tube Evaporator |
| D. | Rising Film Evaporator |
| Answer» D. Rising Film Evaporator | |
| 77. |
Ball Mill operates at the speed of? |
| A. | Low speed |
| B. | High speed |
| C. | Optimum speed |
| D. | All of the above |
| Answer» D. All of the above | |
| 78. |
When the feed is high viscosity, following evaporator should be used: |
| A. | Climbing Film Evaporator |
| B. | Falling Film evaporator |
| C. | Horizontal Tube Evaporator |
| D. | Short Tube evaporator |
| Answer» C. Horizontal Tube Evaporator | |
| 79. |
Galvanic Corrosion is observed, when external electric current in solution is passed between one ofthe following combinations: |
| A. | Gold & Platinum |
| B. | Iron & hydrogen |
| C. | Iron & Iron |
| D. | Zinc & Copper |
| Answer» E. | |
| 80. |
Centrifugal method is used for one of the following process: |
| A. | Mixing |
| B. | Purification |
| C. | Separation |
| D. | Sizing |
| Answer» D. Sizing | |
| 81. |
Which of the following is not a step in process of distillation? |
| A. | Condensation |
| B. | Heating |
| C. | Precipitation |
| D. | Vaporization |
| Answer» D. Vaporization | |
| 82. |
Size reduction is also known as: |
| A. | Comminution |
| B. | Pulverization |
| C. | Diminution |
| D. | All of the above |
| Answer» B. Pulverization | |
| 83. |
In distillation process is the separation of the components of a liquid mixture by process involvingvaporization and subsequent condensation at another place. What is the feed liquid called? |
| A. | Distillate |
| B. | Condensate |
| C. | Distilland |
| D. | None of the above |
| Answer» D. None of the above | |
| 84. |
Evaporator used to manufacture cascara extract, sugar, salt, caustic soda etc: |
| A. | Vertical Tube evaporator |
| B. | Triple effect evaporator |
| C. | Climbing Film Evaporator |
| D. | None of these |
| Answer» B. Triple effect evaporator | |
| 85. |
Product size achieved by Fluid energy Mill is |
| A. | 4-325 mesh |
| B. | 20-200 mesh |
| C. | 20-80 mesh |
| D. | 1-30 microns |
| Answer» E. | |
| 86. |
Mechanism of mixing in sigma blade mixer: |
| A. | Connective |
| B. | Tumbling |
| C. | Shearing |
| D. | Diffusion |
| Answer» D. Diffusion | |
| 87. |
Which is used as a placing to protect steel? |
| A. | Asbestos |
| B. | Chromium |
| C. | Glass |
| D. | Rubber |
| Answer» C. Glass | |
| 88. |
Greater the surface area of the liquid, the evaporation will be: |
| A. | Slow |
| B. | Greater |
| C. | Not affected |
| D. | Both (a) & (b) |
| Answer» C. Not affected | |
| 89. |
Which is the principle difference in the properties that influences centrifugation? |
| A. | Densities |
| B. | Interfacial Tensions |
| C. | Particle size |
| D. | Viscosities |
| Answer» B. Interfacial Tensions | |
| 90. |
A black body is perfect |
| A. | Emitter only |
| B. | Absorber only |
| C. | emitter and absorber |
| D. | none of the above |
| Answer» D. none of the above | |
| 91. |
In mechanism of mixing, which is also known as Macromixing? |
| A. | Shear Mixing |
| B. | Diffusive mixing |
| C. | Both (a) & (b) |
| D. | Convective mixing |
| Answer» E. | |
| 92. |
Which of these is not a mechanism of size separation? |
| A. | Agitation |
| B. | Brushing method |
| C. | Centrifugal force |
| D. | Compression |
| Answer» E. | |
| 93. |
__________ states that the rate of heat flow through a uniform material is proportional to the area andtemperature and inversely proportional to the length of the path of flow. |
| A. | Newton’s law |
| B. | Kick’s law |
| C. | Fourier’s law |
| D. | Chatelier’s law |
| Answer» D. Chatelier’s law | |
| 94. |
What are physical factors affecting in the selection of the materials for the construction ofpharmaceutical plant: |
| A. | Strength |
| B. | Weight |
| C. | Ease of fabrication |
| D. | All of the above |
| Answer» E. | |
| 95. |
In which process a part of the vapor is condensed and returned as liquid? |
| A. | Fractional Distillation |
| B. | Molecular Distillation |
| C. | Steam Distillation |
| D. | Simple Distillation |
| Answer» B. Molecular Distillation | |
| 96. |
Differential Distillation is also known as: |
| A. | Simple Distillation |
| B. | Fractional Distillation |
| C. | Molecular Distillation |
| D. | Steam Distillation |
| Answer» B. Fractional Distillation | |
| 97. |
Which equipment is used for mixing of immiscible liquids? |
| A. | Airjet Mixer |
| B. | Jet Mixer |
| C. | Silverson Mixer |
| D. | Sigma Mixer |
| Answer» D. Sigma Mixer | |
| 98. |
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 |
| Answer» B. Law of conservation of energy | |
| 99. |
Hermetic sealed containers are also known as: |
| A. | Air-Tight Containers |
| B. | Multi-dose containers |
| C. | Single-Dose containers |
| D. | Well-closed containers |
| Answer» B. Multi-dose containers | |
| 100. |
Which one of these drying techniques is used for drying antibiotics and plant extract? |
| A. | Vacuum Dryer |
| B. | Freeze dryer |
| C. | Spray dryer |
| D. | None of these |
| Answer» C. Spray dryer | |