ISRO Scientist or Engineer Civil 2019

The finely divided dispersion of solid particles in water-which are not visible to the naked eye and cannot be removedby ordinary filters are known as

According to Indian standards, the consumption of water per capita per day for nursing homes, boarding schools‘and hostels is

If the-depletion of the oxygen is found to be 3 mg/litre after incubating 5 ml of sewage diluted to 250 ml for 5 days at $$20^\circ  C$$ B.O.D of the sewage is

In sewers desigued with self cleansing velocity,

‘The sewage treatment units in which biological decomposition of‘organic matter takes place are called

A dry soil sample weighing 120 g has-a’volume-of80 ml and specific gravity 2.7. Its voids ratio is

The property of : soil which enables to regain partof its strength lost on remoulding in a short timewithout change of moisture content, is called

The coefficient of passive and active earth pressure for a loose sand having anangle of internal friction of $$30^\circ$$ is

Whenthe watertable is underthe base of the footing at a depth equal to half of the width of the footing, the bearing capacityof the soil is reducedto its

The cement concrete from which entrained air and excess water are removed after placing’it in position is called