A.10 – 50 ppm
B.50 – 65 ppm
C.75 – 117 ppm
D.150 – 250 ppm
E.300 – 700 ppm
Related Mcqs:
- For portable water the permissible pH value is
- The desirable temperature of portable water is
- The total count of bacteria in portable water should not exceed
- The hardness of soft water (in ppm) is
- For removal of temporary hardness of water
- The process of removal of permanent hardness of water is
- Temporary hardness in water in caused by salts like
- The permissible hardness of water for low pressure boiler is
- The permissible hardness of water for public supplies is
- The lower limit of water availability is soil is known as____________?
