MCQOPTIONS
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| 1. |
Which of the following determination are NOT necessary for raw water from a lake for use as source of supply of water for boiler-feed ?1. Turbidity2. Bacterial count3. Iron4. Hardness.Select the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 1, 3 and 4 |
| D. | 2, 3 and 4 |
| Answer» B. 1, 2 and 4 | |