A.50 mg/litre
B.150 mg/litre
C.250 mg/litre
D.350 kg/litre
E.450 mg/litre
Related Mcqs:
- The permissible hardness of water for public supplies is
- The permissible level of HCN in drinking water 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.
- The chloride content in the water for public supplies should not exceed
- The pressure of steam generated in a boiler as recorded by the Bourdon pressure gauge was 2.2 kg/sq-cm. If the barometer reads 774 mm of mercury the absolute pressure of steam would be
- For portable water the permissible pH value is
- The maximum permissible turbidity for drinking water
- Out of the following metals the least permissible percentage in drinking water is