100+ Civil Engineering Question Papers with Answers Pdf - 2

Question: 6

Sphere shaped bacteria are called

(A) trichobacteria

(B) cocci

(C) bacilli

(D) spirilla

Question: 7

The layer on the top of a filtering medium formed by organic impurities is known as

(A) dirty skin

(B) tube settler

(C) permeable layer

(D) filtering layer

Question: 8

In treatment swimming pool water the filtration system to be used is

(A) slow sand filters

(B) pressure filters

(C) rapid sand filters

(D) any of the above

Question: 9

The sewer which obtains its discharge from two or more sewers is known as

(A) common sewer

(B) outfall sewer

(C) trunk sewer

(D) depressed sewer

Question: 10

The chemical most commonly used to increase speed of sedimentation of sewage is

(A) lime

(B) sodium permanganate

(C) copper sulphate

(D) sulphuric acid