A.250 mg/litre
B.100 mg/litre
C.50 mg/litre
D.20 mg/litre
E.1 mg/litre
Related Mcqs:
- The flouride content in the drinking water should not exceed
- The permissible hardness of water for public supplies is
- The maximum concentration of lead in drinking water should not exceed.
- In case of public supplies, the maximum permissible nitrite content is
- The odour of water is expressed in terms of threshold number. The maximum threshold number permitted for public supplies is
- Suppose that hot water is stored at a temperature that is 25?C higher than room temperature. Water required to store 1 million cal of heat is about
- Ash content of a diesel fuel should not exceed
- The permissible level of HCN in drinking water is
- The permissible hardness of water for low pressure boiler is
- Ash content of a diesel fuel oil should not exceed