engineering recuitment UPPSC AE Mock Test 2024 Soil Mechanics and Foundation Engineering Well Hydraulics
Which of the following statements is INCORRECT?
1
The natural outflow of groundwater at the Earth's surface is said to form a spring.
2
Infiltration well is a sub-surface source of water.
3
Surface sources of water are generally contaminated and cannot be used without treatment.
4
A cavity type tube well draws water from the bottom as well as from the sides of the well.