Question
What is the role of Ultraviolet Radiation  (UV)Â
in the water purification systems?  1.    It inactivates/kills the harmful microorganisms in water  2.    It removes all the undesirable odours from the water   Select the correct answer;-    (a)    1 only                        (b)  1 and 2 both    (c)     2 only                        (d)  Neither 1 and nor 2Solution
Activated carbon or activated charcoal is commonly used to remove undesirable odors from water. Activated carbon is a highly porous material that can effectively adsorb organic compounds that cause odor, such as hydrogen sulfide and volatile organic compounds (VOCs), as well as other impurities that may be present in the water.
Given set: Â [99, 200, 301]
Select the set in which the numbers are related in the same way as are the numbers of the following set. (NOTE : Operations should be performed on the w...
Select the option in which the numbers does not share the same relationship in set as that shared by the numbers in the given set. (Note: Operations sh...
If ‘534’ = ‘50’, ‘758’ = ‘138’, ‘3156’ = ‘71, then ‘4738’ = ?
Which of the following will best complete the relationship given below?
HOST: 28 :: LENT: ? :: BACK: 13
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
P __ I __ __ L...
Select the option in which the numbers share the same relationship as that shared by the given number-pair:
144 : 156
E × I : 25 × 81 ∷ K × P : ?
Select the option that is related to third letter cluster in the same way as the second letter cluster is related to the first letter cluster.
PR...
Horse: Filly:: Cockroach:?
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