MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
A differential leaching process is used for processing manganese nodules. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which impurity of manganese nodules is leached using H2SO4 as solvent at temperature of 77 F? |
| A. | Cobalt |
| B. | Copper |
| C. | Nickel |
| D. | Iron |
| Answer» C. Nickel | |
| 3. |
Which separators are used to separate oversize pebbles and undersize clay particles if minerals such as monazite, zircon are present? |
| A. | Revolving trommel |
| B. | Shaking tables |
| C. | Humphrey spirals |
| D. | Magnetic and electrostatic separators |
| Answer» D. Magnetic and electrostatic separators | |
| 4. |
Oil and gas deposits are found in ________ region. |
| A. | ocean beaches |
| B. | sub-sea floor rocks |
| C. | continental shelves |
| D. | deep sea floor |
| Answer» C. continental shelves | |
| 5. |
Minerals are mined from all environments except from the ______________ |
| A. | ocean beaches |
| B. | sub-sea floor rocks |
| C. | continental shelves |
| D. | deep sea floor |
| Answer» E. | |