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  3. 1 in oxygen-sag curve, at the critical point, the

1 In Oxygen-Sag Curve, at the critical point, the rate of reaeration becomes ________ the rate...

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Mechanical Engineering

1 In Oxygen-Sag Curve, at the critical point, the rate ofreaeration becomes ________ the rate of Deoxygenation

Select one:

Double

Equal to

Half

2. In general, adsorption of a gas on solid surfaceis_________process

Select one:

Endothermic

Exothermic

None

3. Which of the following tests can be performed in relativelyshorter period of time?

Select one:

TOC

BOD

COD

All require same time

4. In Claus process, H2S is convertedto____________

Select one:

SO3

disulphide

Elemental Sulphur

5. Which of the following Samples provide more meaningful datawhen the composition of waste varies with either time or flow?

Select one:

a.Grab

b.Composite

Both 'a' and 'b'

None

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