Environmental Engineering QUESTIONS AND ANSWERS

Civil Engineering : Environmental Engineering QUESTIONS AND ANSWERS :: part3 : 1 to 5

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

1.The major disadvantage of lime soda process of water softening is that

it is unsuitable for turbid and acidic water

huge amount of precipitate is formed which creates a disposal problem

the effluent cannot be reduced to zero hardness

it is unsuitable for softening the water of excessive hardness

2.In chlorination, with the rise in temperature of water, death rate of bacteria

increases

decreases

remains unaffected

none of the above

3.The process in which the chlorination is done beyond the break point is known as

prechlorination

post chlorination

super chlorination

break point chlorination

4.Disinfection of water results in

removal of turbidity

removal of hardness

killing of disease bacteria

complete sterilisation

5.Chlorine demand of water is equal to

applied chlorine

residual chlorine

sum of applied and residual chlorine

difference of applied and residual chlorine

More Environmental Engineering QUESTIONS AND ANSWERS available in next pages

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