WASTE WATER ENGINEERING FINAL EXAM AND STUDYGUIDE NEWEST ACTUAL EXAM COMPLETE 300 QUESTIONS AND CORRECT DETAILED ANSWERS (100%VERIFIED ANSWERS) /ALREADY GRADED A+/BRAND NEW!!

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WASTE WATER ENGINEERING FINAL EXAM AND

STUDYGUIDE NEWEST 2026-2027 ACTUAL EXAM

COMPLETE 300 QUESTIONS AND CORRECT

DETAILED ANSWERS (100%VERIFIED ANSWERS)

/ALREADY GRADED A+/BRAND NEW!!




Chlorination of water is done for the removal of

(A) Bacterias

(B) Suspended solids

(C) Sediments

(D) Hardness - ANSWER-Option A




In a sedimentation tank (length L, width B, depth D) the

settling velocity of a particle for a

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discharge Q, is

(A) Q/(B × D)

(B) Q/(L × D)

(C) Q/L

(D) Q/(B × L) - ANSWER-Option D




71

The formula which accepts the value of rugosity coefficient

n = 0.012 to be used in Manning's

formula, is given by

(A) Bazin

(B) Crimp and Bruges

(C) William-Hazen

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(D) Kutter - ANSWER-Option B




72

The amount of oxygen consumed by the aerobic bacterias

which cause the aerobic biological

decomposition of sewage, is known

(A) Bio-Chemical Oxygen Demand (B.O.D.)

(B) Dissolved Oxygen (D.O.)

(C) Chemical Oxygen Demand (C.O.D.)

(D) None of these - ANSWER-Option B




73

Water content of sewage is about

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(A) 90 %

(B) 95 %

(C) 99 %

(D) 9.9 % - ANSWER-Option D




74

Skimming tanks are

(A) Used to remove the grease and oil

(B) Those from which sludge is skimmed out

(C) Tanks provided with self-cleansing screens

(D) Improved version of grit chambers - ANSWER-Option

A