MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following statements about expression of filter cake are correct?Statement 1: It is used where de-liquoring by gas pressure is not possible.Statement 2: It reduces the liquid content by mechanical means. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |
| 2. |
What is added to increase the permeability of filtrate cake? |
| A. | Filter aid |
| B. | Salt |
| C. | Sand |
| D. | Ammonia |
| Answer» B. Salt | |
| 3. |
What are the incompressible cake forming materials? |
| A. | Sand |
| B. | Ferric hydroxide |
| C. | Salt |
| D. | Cupric oxides |
| Answer» B. Ferric hydroxide | |
| 4. |
What happens when de-liquoring is done by compression? |
| A. | Cake becomes impermeable |
| B. | Less efficiency |
| C. | Crack formation |
| D. | Time consumption |
| Answer» B. Less efficiency | |
| 5. |
What is the demerit of de-liquoring by gas pressure? |
| A. | Less efficacy |
| B. | Less efficiency |
| C. | Crack formation |
| D. | Time consumption |
| Answer» D. Time consumption | |
| 6. |
What is the step involved in filter cake removal? |
| A. | Washingand de-liquoring |
| B. | Washing and adjusting temperature |
| C. | Washing and adjusting pressure |
| D. | De-liquoring and adjusting temperature |
| Answer» B. Washing and adjusting temperature | |
| 7. |
What is present in filter medium in depth filtration? |
| A. | Cellulose |
| B. | Positive charge ions |
| C. | Salt |
| D. | Negative charge ions |
| Answer» B. Positive charge ions | |
| 8. |
What are the compressible cake forming materials? |
| A. | Sand |
| B. | Crystals |
| C. | Salt |
| D. | Cupric oxides |
| Answer» E. | |
| 9. |
What is the primary method of filtration? |
| A. | Straining |
| B. | Sedimentation |
| C. | Centrifuge |
| D. | Diffusion |
| Answer» B. Sedimentation | |
| 10. |
What is filter medium resistance? |
| A. | Resistance by solids retained on filter |
| B. | Resistance by liquid |
| C. | Resistance due to pressure |
| D. | Resistance due to concentration gradient |
| Answer» B. Resistance by liquid | |