McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Pharmacy (B. Pharma) , Pharmacy .
| 1. |
The working of Fluid energy mill is based on principle of |
| A. | Impact |
| B. | Attrition |
| C. | Cutting |
| D. | Both a & b |
| Answer» D. Both a & b | |
| 2. |
Size reduction is also known as: |
| A. | Comminution |
| B. | Pulverization |
| C. | Diminution |
| D. | All of the above |
| Answer» A. Comminution | |
| 3. |
The bell crank lever arrangement is major part of which of the following………: |
| A. | Cyclone separator |
| B. | Edge runner Mill |
| C. | End runner Mill |
| D. | Bag filter |
| Answer» D. Bag filter | |
| 4. |
The hammer mill operates on the principle of: |
| A. | Impact |
| B. | Attrition |
| C. | Compression |
| D. | Cutting |
| Answer» A. Impact | |
| 5. |
Ball Mill operates at the speed of? |
| A. | Low speed |
| B. | High speed |
| C. | Optimum speed |
| D. | All of the above |
| Answer» C. Optimum speed | |
| 6. |
Fluid Energy Mill works on the principle of: |
| A. | Impact & Attrition |
| B. | Rotor & Stator |
| C. | Compression |
| D. | Attrition |
| Answer» A. Impact & Attrition | |
| 7. |
Fibrous drugs are milled by using: |
| A. | Cutter Mill |
| B. | Hammer Mill |
| C. | Fluid Energy Mill |
| D. | Ball Mill |
| Answer» A. Cutter Mill | |
| 8. |
Mills are not suitable for Friable (heat sensitive) materials? |
| A. | Cutter Mill |
| B. | Hammer mill |
| C. | Colloidal Mill |
| D. | All of the above |
| Answer» D. All of the above | |
| 9. |
In Azeotropic distillation __________ remains low: |
| A. | Heat |
| B. | Volatility |
| C. | Relativity Volatility |
| D. | None of these |
| Answer» C. Relativity Volatility | |
| 10. |
In Vacuum Distillation, Substance boils at a/an: |
| A. | Exact temperature |
| B. | temperature slightly above its boiling point |
| C. | temperature below its boiling point |
| D. | High Pressure |
| Answer» C. temperature below its boiling point | |
| 11. |
In the fractionating column of fraction distillation, as we go higher in the column the…..? |
| A. | Temperature becomes lower |
| B. | Temperature becomes higher |
| C. | minimum absorption occurs |
| D. | Sublimation risk increases |
| Answer» A. Temperature becomes lower | |
| 12. |
Rate of evaporation is______: |
| A. | directly proportional to temperature of liquid |
| B. | inversely proportional to temperature of liquid |
| C. | independent of temperature of liquid |
| D. | directly proportional to humidity of surrounding air |
| Answer» A. directly proportional to temperature of liquid | |
| 13. |
Which of the following factors do not affect the rate of evaporation? |
| A. | Temperature of liquid |
| B. | Humidity of surrounding air |
| C. | Depth of liquid |
| D. | Surface of liquid |
| Answer» C. Depth of liquid | |
| 14. |
Which of the following is a characteristic of a horizontal tube evaporator? |
| A. | Agitation is provided only by bubbles leaving the evaporator as vapor |
| B. | The tube bundle is arranged vertically, with the solution inside the tubes condensing outside |
| C. | To handle viscous solution a pump is used to force liquid upwards |
| D. | Also called short vertical tube evaporator |
| Answer» A. Agitation is provided only by bubbles leaving the evaporator as vapor | |
| 15. |
The (emissivity) of a black body is: |
| A. | 1 |
| B. | 1.5 |
| C. | 2 |
| D. | None |
| Answer» A. 1 | |
| 16. |
Lyophilization is also known as: |
| A. | Drying by sublimation |
| B. | Freeze drying |
| C. | Both a & b |
| D. | None |
| Answer» B. Freeze drying | |
| 17. |
Mean free path is associated with which type of distillation? |
| A. | Steam |
| B. | Evaporative |
| C. | Azeotropic |
| D. | Fractional |
| Answer» D. Fractional | |
| 18. |
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 |
| Answer» A. First order law | |
| 19. |
Unit of the rate of heat transfer is |
| A. | Joule |
| B. | Newton |
| C. | Pascal |
| D. | Watt |
| Answer» D. Watt | |
| 20. |
Which type of mixture is easily formed? |
| A. | Positive |
| B. | Negative |
| C. | Neutral |
| D. | Ampholytic |
| Answer» A. Positive | |
| 21. |
Mechanism not used in solid-solid Mixing: |
| A. | Connective |
| B. | Shear Mixing |
| C. | Diffusion |
| D. | Tumbling |
| Answer» D. Tumbling | |
| 22. |
Mechanism of mixing in sigma blade mixer: |
| A. | Connective |
| B. | Tumbling |
| C. | Shearing |
| D. | Diffusion |
| Answer» C. Shearing | |
| 23. |
Mechanism of mixing in silverson mixer is: |
| A. | Connective |
| B. | laminar |
| C. | Random |
| D. | Turbulent |
| Answer» D. Turbulent | |
| 24. |
Degree of mixing is also known as: |
| A. | Degree of Homogeneity |
| B. | Extent of mixing |
| C. | Ordered Mixing |
| D. | Random Mixing |
| Answer» A. Degree of Homogeneity | |
| 25. |
__________ states that the rate of heat flow through a uniform material is proportional to the area and temperature 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» C. Fourier’s law | |
| 26. |
A body whose absorptivity is constant at all wavelengths of radiation, at a given temperature is known as |
| A. | Black Body |
| B. | Grey body |
| C. | White Body |
| D. | Shinning body |
| Answer» B. Grey body | |
| 27. |
Which of the following is used for drying blood plasma: |
| A. | Spray drying |
| B. | Freeze drying |
| C. | Vacuum Drying |
| D. | Fluid Bed drying |
| Answer» B. Freeze drying | |
| 28. |
Which equipment is used for mixing of immiscible liquids? |
| A. | Airjet Mixer |
| B. | Jet Mixer |
| C. | Silverson Mixer |
| D. | Sigma Mixer |
| Answer» C. Silverson Mixer | |
| 29. |
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» B. Freeze dryer | |
| 30. |
____________ method of distillation is used for the purification & separation of chemicals of low vapor pressure |
| A. | Steam Distillation |
| B. | Destructive distillation |
| C. | Simple Distillation |
| D. | Molecular Distillation |
| Answer» D. Molecular Distillation | |
| 31. |
Rectification is another name of: |
| A. | Fractional distillation |
| B. | Molecular distillation |
| C. | Simple distillation |
| D. | Destructive distillation |
| Answer» A. Fractional distillation | |
| 32. |
In which dryer, hot air jets are used for drying purpose? |
| A. | Vacuum Dryer |
| B. | Spray Dryer |
| C. | Roller Dryer |
| D. | Fluidized Bed dryer |
| Answer» D. Fluidized Bed dryer | |
| 33. |
A black body is perfect |
| A. | Emitter only |
| B. | Absorber only |
| C. | emitter and absorber |
| D. | none of the above |
| Answer» C. emitter and absorber | |
| 34. |
What are advantages of the spray drying process: |
| A. | Evaporation is very rapid |
| B. | Most of the heat being used as latent heat of vaporisation |
| C. | The powder will have uniform and controllable particle size |
| D. | All of the above |
| Answer» D. All of the above | |
| 35. |
What are physical factors affecting in the selection of the materials for the construction of pharmaceutical plant: |
| A. | Strength |
| B. | Weight |
| C. | Ease of fabrication |
| D. | All of the above |
| Answer» D. All of the above | |
| 36. |
Which is not a non-ferrous metal? |
| A. | Copper |
| B. | Aluminum |
| C. | Steel |
| D. | Lead |
| Answer» C. Steel | |
| 37. |
Which is used as a placing to protect steel? |
| A. | Asbestos |
| B. | Chromium |
| C. | Glass |
| D. | Rubber |
| Answer» B. Chromium | |
| 38. |
For ease in size reduction, the material should be. |
| A. | Hard, brittle |
| B. | Soft, tough |
| C. | Hard, tough |
| D. | Soft, brittle |
| Answer» A. Hard, brittle | |
| 39. |
Which of the following factor does NOT affect the size reduction? |
| A. | Hardness |
| B. | Stickiness |
| C. | Viscosity |
| D. | Abrasiveness |
| Answer» C. Viscosity | |
| 40. |
Product size achieved by Ball mill? |
| A. | 4-325 mesh |
| B. | 20-200 mesh |
| C. | 20-80 mesh |
| D. | 1-30 microns |
| Answer» B. 20-200 mesh | |
| 41. |
Product size achieved by hammer mill is |
| A. | 4-325 mesh |
| B. | 20-200 mesh |
| C. | 20-80 mesh |
| D. | 1-30 microns |
| Answer» A. 4-325 mesh | |
| 42. |
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» D. 1-30 microns | |
| 43. |
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» A. It is powder in which all the particles must pass through the sieve no. 10 | |
| 44. |
Number of sieve is defined as? |
| A. | This is the number of meshes in a length of 25.4 mm in each direction, parallel to the wires |
| B. | This is the number of meshes in a length of 24.5 mm in each direction, parallel to the wires |
| C. | This is the number of meshes in a length of 26.5 mm in each direction, parallel to the wires |
| D. | This is the number of meshes in a length of 28.4 mm in each direction, parallel to the wires |
| Answer» A. This is the number of meshes in a length of 25.4 mm in each direction, parallel to the wires | |
| 45. |
Which of these is not a mechanism of size separation? |
| A. | Agitation |
| B. | Brushing method |
| C. | Centrifugal force |
| D. | Compression |
| Answer» D. Compression | |
| 46. |
Heat transfer takes place according to |
| A. | First law of thermodynamics |
| B. | Second law of thermodynamics |
| C. | Third law of thermodynamics |
| D. | Zeroth law of thermodynamics |
| Answer» B. Second law of thermodynamics | |
| 47. |
Fourier law of heat conduction is based on the assumption that |
| A. | Heat Flow through a solid in one dimension |
| B. | Heat flow is in steady state |
| C. | Both (A) & (B) |
| D. | None of the options |
| Answer» C. Both (A) & (B) | |
| 48. |
Which of the following has maximum value of thermal conductivity? |
| A. | Aluminum |
| B. | Steel |
| C. | Brass |
| D. | Copper |
| Answer» A. Aluminum | |
| 49. |
Stefan Boltzmann law is applicable for heat transfer by |
| A. | Conduction |
| B. | Convection |
| C. | Radiation |
| D. | Conduction & Radiation combined |
| Answer» C. Radiation | |
| 50. |
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» D. All of the above | |
Done Studing? Take A Test.
Great job completing your study session! Now it's time to put your knowledge to the test. Challenge yourself, see how much you've learned, and identify areas for improvement. Don’t worry, this is all part of the journey to mastery. Ready for the next step? Take a quiz to solidify what you've just studied.