EXAMIANS
Exposure to SO₂ containing chimney gases results in the
YOUR ANSWER : ?
YOUR ANSWER : ?
Persons working in cement plants and limestone quarries are more prone to disease like
YOUR ANSWER : ?
Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels.
YOUR ANSWER : ?
Pollution by particulate matter emission in the atmosphere does not take place during metal
YOUR ANSWER : ?
Salt content in sea water is about __________ percent.
YOUR ANSWER : ?
The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is
YOUR ANSWER : ?
In the context of the chemical process industries, the term BOD is normally associated with the
YOUR ANSWER : ?
Which of the following processes is involved in the biochemical treatment of sewage effluents?
YOUR ANSWER : ?
When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell.
YOUR ANSWER : ?
What are the methods of treatment & disposal of radioactive wastes?
YOUR ANSWER : ?