Maximum permissible turbidity in potable water is _____________ ppm?

Related Mcqs:

Global warming may result in __________________?

A. Flood B. Cyclone C. Decrease in food productivity D. All A., B. and C....

Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called__________________?

A. Grit B. Dust C. Powder D. Smoke...

Noise level inside a jet airliner in normal flight is about ______________ decibels?

A. 80 B. 100 C. 125 D. 150...

Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of _____________ present in it?

A. Coal ash B. Potassium cyanide C. Ortho-xylene D. None of these...

Exposure to small amount of ______________ results in high blood pressure & heart disease in human beings?

A. Hydrogen sulphide B. Mercury C. Cadmium D. Asbestos...