A.10 mg/litre
B.25 mg/litre
C.75 mg/litre
D.115 mg/litre
E.400 mg/litre
Related Mcqs:
- The chloride content in the water for public supplies should not exceed
- The permissible hardness of water for low pressure boiler is
- In case of public supplies, the maximum permissible nitrite content is
- The permissible level of HCN in drinking water 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
- The flouride content in the drinking water should not exceed
- The maximum concentration of lead in drinking water should not exceed.
- For portable water the permissible pH value is
- The maximum permissible turbidity for drinking water