engineering recuitment KPSC Assistant Engineer Civil Mock Test 2020 Environmental Engineering Quality of Water
The total hardness value obtained from the complete analysis of water sample was found to be 120 mg / l. If the value of carbonate hardness is 50 mg / l, the non-carbonate hardness and alkalinity are, respectively
1
170 mg / l and 70 mg / l
2
170 mg / l and 50 mg / l
3
70 mg / l and 50 mg / l
4
50 mg / l and 70 mg / l