MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Industry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which component is responsible for killing bacteria in water? |
| A. | Low concentration of OH- |
| B. | High concentration of OH- |
| C. | High concentration of acid |
| D. | Low concentration of acid |
| Answer» C. High concentration of acid | |
| 2. |
Which cost is mainly appear in producing freshwater from seawater? |
| A. | Capital cost |
| B. | Operating cost |
| C. | Optimum cost |
| D. | Energy cost |
| Answer» E. | |
| 3. |
What is the disadvantage of vapour compression? |
| A. | Less no of evaporator |
| B. | Less energy requirements |
| C. | High pressure steam |
| D. | Use of inert |
| Answer» D. Use of inert | |
| 4. |
Why moderators are used in nuclear process? |
| A. | To absorption of neutrons |
| B. | To increase the reaction rate |
| C. | To provide collision |
| D. | To increase the temperature |
| Answer» B. To increase the reaction rate | |
| 5. |
What is the distillation method of obtaining fresh water from saline waters? |
| A. | Solvent extraction |
| B. | Reverse osmosis |
| C. | Vapor recompression |
| D. | Hydrocarbon hydrates |
| Answer» D. Hydrocarbon hydrates | |
| 6. |
Which compound is added to the cation exchanger in back flow? |
| A. | Weak acid |
| B. | Strong acid |
| C. | High basic solution |
| D. | Low basic solution |
| Answer» C. High basic solution | |
| 7. |
Which raw material mentioned below is not required in lime soda process? |
| A. | Quicklime |
| B. | Light soda ash |
| C. | Alum |
| D. | Oil |
| Answer» E. | |
| 8. |
Which one are the largest users of water by industry? |
| A. | Steel |
| B. | Miscellaneous |
| C. | Processing |
| D. | Power generation |
| Answer» B. Miscellaneous | |
| 9. |
In which types of conditioning process, synthetic resins are used? |
| A. | Lime-soda process |
| B. | Chlorination |
| C. | Ion-exchange |
| D. | Deodorization |
| Answer» D. Deodorization | |
| 10. |
Dissolved salts of Ca and Mg which types of water impurity? |
| A. | Hardness impurity |
| B. | Soluble colour compounds |
| C. | Insoluble matter impurity |
| D. | Pathogenic |
| Answer» B. Soluble colour compounds | |