engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Environmental Engineering Quality of Water
Solubility of atmospheric oxygen in fresh water ranges ______ at 0° C to about ______ at 35° C under 1 atmosperic pressure-measured in DO meter.
1
3 mg/l, 6.5 mg/l
2
1 mg/l, 5mg/l
3
14.6 mg/l, 7 mg/l
4
25 mg/l, 15.5 mg/l