Top 350+ Solved Public Health Engineering MCQ Questions Answer

From 136 to 150 of 324

Q. Land disposal of sewage will be favourable where

a. the rivers run dry or have a small flow during summer

b. rainfall is very high

c. climate is wet and rates of evaporation is low

d. all of the above

  • a. the rivers run dry or have a small flow during summer

Q. The amount of residual chlorine in treated water is determined by the

a. Orthotolodine test

b. Iodemetric test

c. Amperometric test

d. all of these

  • d. all of these

Q. When in the pervious strata, the surface of water surrounding the well is at atmospheric pressure, the well is known as

a. gravity well

b. artesian well

c. open well

d. deep well

  • a. gravity well

Q. When turbidity of water exceeds about 45 ppm, coagulation

a. should be

b. should not be

  • a. should be

Q. Manholes are, generally, located

a. at all changes of direction

b. at all changes of gradient

c. at all junctions of main and branch sewers

d. all of these

  • d. all of these

Q. The bacteria which require oxygen for their survival is known as

a. anaerobic bacteria

b. pathogenic bacteria

c. aerobic bacteria

d. non-pathogenic bacteria

  • c. aerobic bacteria

Q. The turbidity in water is caused due to

a. silt

b. clay

c. finely divided organic matter

d. all of these

  • d. all of these

Q. The process of removing excess chlorine from water is called

a. plain chlorination

b. post-chlorination

c. dechlorination

d. super-chlorination

  • c. dechlorination

Q. The coefficient of uniformity for slow sand filters is

a. 1.35

b. 1.55

c. 1.75

d. 2.05

  • c. 1.75

Q. In a rapid sand filter, the filter head varies from

a. 1 to 1.5 m

b. 1.5 to 2 m

c. 2 to 4 m

d. 4 to 5 m

  • c. 2 to 4 m

Q. For a city or town with roads of rectangular pattern, the type of layout used for the distribution of pipes is

a. dead end system

b. ring system

c. radial system

d. grid iron system

  • d. grid iron system

Q. The type of joint to be used in pipes depends upon the

a. material of pipe

b. internal pressure

c. conditions of support

d. all of these

  • d. all of these

Q. The water supply system means

a. the entire scheme of collection and disposal of liquid waste

b. the complete layout from the source of supply to the distribution

c. construction of reservoirs

d. construction of canals

  • b. the complete layout from the source of supply to the distribution
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