MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is the actual reason why CO2 is used in CSFE? |
| A. | All of the mentioned |
| B. | No serious health risks detected so far |
| C. | Inexpensive and readily available in pure form |
| D. | Inert, doesn t react with solute |
| Answer» B. No serious health risks detected so far | |
| 2. |
Which of the following is the real extraction application of SCFE? |
| A. | Cholesterol from egg |
| B. | Nicotine from tobacco |
| C. | Cholesterol from egg & Nicotine from tobacco |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
Which of the following is a major constraint of SCFE? |
| A. | Maintaining temperature of order 100deg C |
| B. | Channeling of fluid in extraction tank without contacting the solids |
| C. | Maintenance of high pressure |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
Statement 1: Presence of certain organic solvents in solvent extraction can prove to be carcinogenic.Statement 2: CO2 gas can be used in super critical fluid extraction. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 5. |
Using hot water for decoction followed by spraying drying is the procedure used for making instant coffee. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Statement 1: Caffeine is the active principle in coffee. It cannot be stripped off it.Statement 2: Caffeine can be stripped off coffee by extraction. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» E. | |
| 7. |
What is extraction in paprika used for? |
| A. | Obtain proteins from the end product |
| B. | Desolventization of final product |
| C. | Extraction of its natural color |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 8. |
_____ is an important solvent for wet and edible materials. |
| A. | Hexane |
| B. | Acetone |
| C. | Chloroform |
| D. | All of the mentioned |
| Answer» B. Acetone | |
| 9. |
After extraction via solvent extraction, the cake serves to be a good source of _____ |
| A. | Fats |
| B. | Proteins |
| C. | Carbohydrates |
| D. | Fibers |
| Answer» C. Carbohydrates | |
| 10. |
A multi stage continuous counter-current extractor has the advantages of both co and counter current processes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which of the following operations is carried out by extraction equipment? |
| A. | Leaving as little solvent as possible in the spent cake |
| B. | Bringing intimate contact between solute and solvent |
| C. | Leaching solute out as quick as possible by letting solute diffuse into the solvent from porous structure of solids |
| D. | All of the mentioned |
| Answer» E. | |