The ground water is generally free from

Related MCQs

• The horizontal tunnels constructed at shallow depths along the banks of a river to intercept the ground water table are called
• The water which leaks into sewers from the ground is termed as infiltration.
• The vertical wells provided along the banks of a river to draaw ground water in dry season are called
• A pipe sunk into the ground to tap the underground water is called
• When high level spots are not available for the construction of ground level reservoirs, elevated reservoirs can be used.
• The most important source of water for public water supply is
• The presence of calcium and magnesium bi-carbonates in water causes hardness in the water.
• The water obtained from a lake is known as surface water.
• In designing a water works for a city to meet the water demand for public use, a provision of about
• The sanitation system in which a small portion of storm water is allowed to enter in the sanitary sewage sewers and the remaining storm water flows in separate set of sewers, is known as