MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Stationary screens can be used for wet particles. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 2. |
Statement 1: Bucket conveyors can be divided into close and spaced bucket conveyors.Statement 2: Bucket conveyors can be divided into centrifugal and positive discharge bucket conveyors. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 3. |
With respect to the Tyler series, which of the following is true? |
| A. | The ratio of one mess size to the intermediate mesh will have the ratio of 4th root of 2 |
| B. | Intermediate messes cannot be accommodated in the Tyler series |
| C. | Intermediate meshes can be accommodated in British series only |
| D. | None of the mentioned |
| Answer» B. Intermediate messes cannot be accommodated in the Tyler series | |
| 4. |
In the specifications of a screw conveyor, the shaft length is shorter than the flight length. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 5. |
Mixing index is applicable for mixing of solids at zero time. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 6. |
Which of the following is used for shredding meat in the food industry? |
| A. | Ball mill |
| B. | Hammer mill |
| C. | Knife cutter |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 7. |
Which of the following is NOT a reason to affect the effectiveness of a screen? |
| A. | Broken mesh wires |
| B. | Insufficient time for food particles to pass through the sieve |
| C. | Blocked apertures |
| D. | None of the mentioned |
| Answer» E. | |
| 8. |
The clearance between the impeller and the vessel in a mixer is usually kept _____ |
| A. | High |
| B. | Low |
| C. | Cannot be determined |
| D. | None of the mentioned |
| Answer» C. Cannot be determined | |
| 9. |
A jaw crusher uses _____ |
| A. | Compression |
| B. | Shear |
| C. | Cutting |
| D. | None of the mentioned |
| Answer» B. Shear | |
| 10. |
The compression zone in batch sedimentation is considered the overflow. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 11. |
Statement 1: For calculating the minimum thickener area, the angle bisector method is used.Statement 2: In the angle bisector method, the point obtained the curve and the corresponding time is the time when the solids enter the compression zone. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 12. |
Which of the following food operation does NOT use the principle of size reduction for its operation? |
| A. | Slaughtering of birds for food |
| B. | Trimming of fish to remove inedible portions |
| C. | Mincing of meat |
| D. | None of the mentioned |
| Answer» E. | |
| 13. |
Statement 1: Cranes and hoists have an incline up and down option.Statement 2: Trucks can be used for continuous operations. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» D. False, True | |
| 14. |
Which of the following is NOT a mixing involved with fluids in the food industry? |
| A. | Soup powders |
| B. | Carbonated drinks |
| C. | Oxygen transfer in fermentation broths |
| D. | None of the mentioned |
| Answer» B. Carbonated drinks | |
| 15. |
Which of the following is an advantage of size reduction? |
| A. | Enhanced heat/mass transfer |
| B. | Intimate contact with certain food items |
| C. | Enhanced heat/mass transfer & intimate contact with certain food items |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 16. |
Statement 1: Froude number relates the gravitational effect which is important when the liquid is agitated by an impeller.Statement 2: When Nʀₑ,ᵢ < 300, NFr is ineffective. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 17. |
Which of the following is NOT a method used for size reduction? |
| A. | Cutting |
| B. | Impact |
| C. | Burning |
| D. | Shear |
| Answer» D. Shear | |
| 18. |
Statement 1: Chain drive rollers move faster than belt driven rollers.Statement 2: Screw conveyors are used in the feeding of raw materials like wheat or chilly into the grinding unit to make a powder out of it. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 19. |
Mixing Index is a ratio of the standard deviation of various products during mixing to that at zero mixing. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 20. |
Statement 1: As mesh size increases, the aperture size decreases.Statement 2: In British standards, the ratio of the aperture size of two consecutive screens is a ratio of 1.412. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» B. True, True | |
| 21. |
The overall effectiveness of sieve equipment is the _____ of the effectiveness of the underflow and the overflow separately. |
| A. | Addition |
| B. | Multiplication |
| C. | Difference |
| D. | Division |
| Answer» C. Difference | |
| 22. |
Statement 1: Belt and screw conveyors are in all processing units to transport the final packed cartons.Statement 2: The feeding in most processing units is done by screw feeders or mechanical/oscillatory feeders. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 23. |
Statement 1: It is generally not possible to change the direction of flow with belt conveyors.Statement 2: If belt conveyors are to be used in the bent position, slat belts are used. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 24. |
Sedimentation and centrifugation involve two miscible phases. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 25. |
With respect to Sedimentation, the boundary between the thick suspension and solids will be decreasing and that between the clear liquid and the thick suspension will be increasing with the passage of time. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 26. |
In sedimentation, l – clear liquid zone, t- thick suspension zone, s- solid zone. With concentration of solids as the y-axis and the time as the x-axis, which curve does the following represent? |
| A. | l-t interface |
| B. | t-s interface |
| C. | t zone |
| D. | none of the mentioned |
| Answer» C. t zone | |
| 27. |
Which of the following does the terminal velocity of a particle NOT depend on? |
| A. | Density of fluid and particle |
| B. | Shape of the particle |
| C. | Viscosity of the fluid |
| D. | None of the mentioned |
| Answer» E. | |
| 28. |
In sedimentation, l – clear liquid zone, t- thick suspension zone, s- solid zone. Which of the following curve with height of the interface as the y-axis and the time as the x-axis represent the s-t interface? |
| A. | a |
| B. | b |
| C. | neither a or b |
| D. | both a and b |
| Answer» B. b | |