McqMate
| Q. |
The permissible hardness of water for low pressure boiler is |
| A. | 150 mg/litre |
| B. | 50 mg/litre |
| C. | 350 kg/litre |
| D. | 250 mg/litre |
| E. | 450 mg/litre |
| Answer» B. 50 mg/litre | |
View all MCQs in
Environmental EngineeringNo comments yet