EXAMIANS
The biological decomposition of organic substances in wastes controlled conditions is called
YOUR ANSWER : ?
YOUR ANSWER : ?
Ozone level is generally found to be depleted in India in the month of
YOUR ANSWER : ?
The function of skimming tank in sewage treatment is to remove __________ substances.
YOUR ANSWER : ?
Average human body contains about __________ percent water by weight.
YOUR ANSWER : ?
Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels.
YOUR ANSWER : ?
Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm.
YOUR ANSWER : ?
Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
YOUR ANSWER : ?
Biological oxidation ponds remove organic matters present in the polluted water by
YOUR ANSWER : ?
Which of the following fine dust removal equipments is the most efficient?
YOUR ANSWER : ?
Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas.
YOUR ANSWER : ?