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. |
The fundamental principle behind Karl Fischer method is based on the ____________ |
| A. | bunsen reaction on iodine in an aqueous medium |
| B. | bunsen reaction between iodine and sulphuric acid in an aqueous medium |
| C. | bunsen reaction between iodine and carbon dioxide in an aqueous medium |
| D. | bunsen reaction between iodine and sulfur dioxide in an aqueous medium |
| Answer» E. | |
| 2. |
__________ uses reflectance & absorbance principles for calculating the moisture content. |
| A. | Karl Fischer method |
| B. | Nuclear moisture meter method |
| C. | Loss on drying moisture meter method |
| D. | Near infrared moisture meter method |
| Answer» E. | |
| 3. |
Which one of the following is non-destructive moisture measurement? |
| A. | Karl Fischer method |
| B. | Nuclear moisture meter method |
| C. | Loss on drying moisture method |
| D. | Lyophilization |
| Answer» C. Loss on drying moisture method | |
| 4. |
What is best method to use when the product have multiple layers that may have very different moisture levels? |
| A. | Lyophilization |
| B. | Karl Fischer method |
| C. | Halogen drying |
| D. | Microwave moisture meter |
| Answer» E. | |
| 5. |
_________ method id based on dielectric principle. |
| A. | Electric moisture meter |
| B. | Karl Fischer method |
| C. | Lyophilization |
| D. | Infrared drying |
| Answer» B. Karl Fischer method | |
| 6. |
______________ of moisture measurement is based on chemical reactions. |
| A. | Lyophilization |
| B. | Karl Fischer method |
| C. | Halogen drying |
| D. | Infrared drying |
| Answer» C. Halogen drying | |
| 7. |
The oven drying methodology consists of heating by ________ |
| A. | conduction |
| B. | convection |
| C. | radiation |
| D. | both radiation and convection |
| Answer» C. radiation | |
| 8. |
Halogen and infrared drying are the examples of _________________ |
| A. | thermogravimetric analysis |
| B. | freeze drying |
| C. | non thermal analysis |
| D. | pressure based analysis |
| Answer» B. freeze drying | |
| 9. |
The measure of moisture content during thermogravimetric analysis is by the process of _________ |
| A. | water vaporization |
| B. | freezing |
| C. | oven drying |
| D. | sun drying |
| Answer» B. freezing | |
| 10. |
_____________ is the amount of moisture a material will absorb relative to ambient temperature and humidity conditions. |
| A. | Lyophilization |
| B. | Hygroscopic action |
| C. | Hydrophobic action |
| D. | Hydrophilic action |
| Answer» C. Hydrophobic action | |