MCQOPTIONS
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MCQOPTIONS
This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Dairy Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the oxygen content of commercial mixed raw milk? |
| A. | 0.47% |
| B. | 1.29% |
| C. | 4.45% |
| D. | 6.21% |
| Answer» B. 1.29% | |
| 2. |
Components of vacuum deaerator are?I) DeaeratorII) Vacuum pumpIII) Pump unit |
| A. | I) only |
| B. | II) only |
| C. | III) only |
| D. | I), II) and III) |
| Answer» E. | |
| 3. |
Which of the deaerator have application in the dairy industry? |
| A. | Tray type |
| B. | Vacuum type |
| C. | Spray type |
| D. | Bubble type |
| Answer» C. Spray type | |
| 4. |
Solubility of gases decrease with ________ in solution temperature. |
| A. | Increase |
| B. | Decrease |
| C. | No change |
| D. | Increase and decrease |
| Answer» B. Decrease | |
| 5. |
In order to make milk pass through air eliminator, the inlet of the cylindrical vessel must be located at a ______ level than the outlet pipe of the milk tank on the vehicle. |
| A. | Upper |
| B. | Lower |
| C. | Same |
| D. | Tilted |
| Answer» C. Same | |
| 6. |
Which among the following are the problem associated with aeration in milk?I) Incrustation of heating surfaces in pasteurizers (fouling)II) Reduced skimming efficiency in separatorsIII) Loss of precision in automatic in-line standardizationIV) Inaccurate in-line fat standardization |
| A. | I), II) and III) |
| B. | I) and II) |
| C. | I), II), III) and IV) |
| D. | I) only |
| Answer» D. I) only | |
| 7. |
Dispersed air in milk cause problems. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Aeration in milk doesn’t occur in which of the following states? |
| A. | Dispersed state |
| B. | Dissolved state |
| C. | Chemically bound state |
| D. | Crystal state |
| Answer» E. | |
| 9. |
SOLUBILITY_OF_GASES_DECREASE_WITH__________IN_SOLUTION_TEMPERATURE.?$ |
| A. | Increase |
| B. | Decrease |
| C. | No change |
| D. | Increase and decrease |
| Answer» B. Decrease | |
| 10. |
Components of vacuum deaerator are?$ |
| A. | Deaerator |
| B. | Vacuum pump |
| C. | Pump unit |
| D. | I) only |
| Answer» E. | |
| 11. |
Which_of_the_deaerator_have_application_in_dairy_industry?$ |
| A. | Tray type |
| B. | Vacuum type |
| C. | Spray type |
| D. | Bubble type |
| Answer» C. Spray type | |
| 12. |
Factors that lead to excess air in milk are? |
| A. | Gravity and temperature |
| B. | Temperature and atmospheric pressure |
| C. | Temperature and volume |
| D. | Volume and pressure |
| Answer» C. Temperature and volume | |
| 13. |
What is the carbon dioxide content of commercial mixed raw milk? |
| A. | 0.47% |
| B. | 1.29% |
| C. | 4.45% |
| D. | 6.21% |
| Answer» D. 6.21% | |
| 14. |
What is the nitrogen content of commercial mixed raw milk? |
| A. | 0.47% |
| B. | 1.29% |
| C. | 4.45% |
| D. | 6.21% |
| Answer» C. 4.45% | |
| 15. |
What_is_the_oxygen_content_of_commercial_mixed_raw_milk? |
| A. | 0.47% |
| B. | 1.29% |
| C. | 4.45% |
| D. | 6.21% |
| Answer» B. 1.29% | |
| 16. |
Which law forms the basis of working of deaerator? |
| A. | James law |
| B. | Planck law |
| C. | Law of thermodynamic |
| D. | Henry law |
| Answer» E. | |
| 17. |
Efficiency of milk deaerator depends on which of the following factor? |
| A. | Fat content |
| B. | Nutrition |
| C. | Fat globule size |
| D. | Dispersion of air |
| Answer» E. | |
| 18. |
In order to make milk pass through air eliminator the inlet of the cylindrical vessel must be located at a ______ level than the outlet pipe of the milk tank on the vehicle. |
| A. | Upper |
| B. | Lower |
| C. | Same |
| D. | Tilted |
| Answer» C. Same | |
| 19. |
Which among the following are problem associated with aeration in milk? |
| A. | Incrustation of heating surfaces in pasteurizers (fouling) |
| B. | Reduced skimming efficiency in separators |
| C. | Loss of precision in automatic in-line standardization |
| D. | Inaccurate in-line fat standardization |
| Answer» D. Inaccurate in-line fat standardization | |
| 20. |
Aeration leads to ______ in volumetric measurement of milk. |
| A. | Precision |
| B. | Delay |
| C. | Consistency |
| D. | Inaccuracy |
| Answer» E. | |
| 21. |
Dispersed air in milk cause problems. State true or false. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 22. |
Milk in udder contains what percentage of gases? |
| A. | 4.5-6% |
| B. | 7-8% |
| C. | 4-5% |
| D. | >10% |
| Answer» B. 7-8% | |
| 23. |
Aeration in milk doesn’t occur in which of the following states? |
| A. | Dispersed state |
| B. | Dissolved state |
| C. | Chemically bound state |
| D. | Crystal state |
| Answer» E. | |