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22504 Public Health Engineering Mcq Question Bank

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Hello Diploma Students In this article we Have Provided 22504 Public Health Engineering Mcq Question Bank. In this Public Health Engineering Mcq Pdf We have Selected 35 Important Questions from Previous Year Papers and Made A possible Set pf Questions which can Help Students in Preparation for Their Exams.

This Mcq on Public Health Engineering Is Ideal for Candidates who are in 3rd Year of Diploma in Civil Engineering By Referring this Mcq of Public Health Engineering Diploma in Civil Engineering Students Can Practice for their Upcoming Exams. We Have Also Provided Msbte Public Health Engineering Notes pdf Link at the end of the Quiz You can Download it for Future Refrence.

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Public Health Engineering Mcq Online Test

1) Aeration of water is done to remove
A) Odour
B) Colour
C) Bacterias
D) Turbidity

Correct!

Wrong!

2) The maximum permissible nitrites in public water supplies, is
A) Nil
B) 0.5 PPM
C) 1 PPM
D) 1.5 PPM

Correct!

Wrong!

3) Chemical coagulation of drinking water, is done
A) To settle suspended materials
B) To increase rate of settlement of suspended materials
C) To remove the bacteria
D) None of these

Correct!

Wrong!

4) Rapid gravity filters
A) Were developed by G.W. Fuller
B) Make use of coarser sand with effective size as 0.5 mm
C) Yield as high as 30 times the yield of slow sand filters
D) All the above

Correct!

Wrong!

5) The detention period for plain sedimentation water tanks, is usually
A) 4 to 8 hours
B) 8 to 16 hours
C) 16 to 24 hours
D) 24 to 36 hours

Correct!

Wrong!

6) Most satisfactory formula for an estimate of fire demand Q for a city of population P in thousands for Indian conditions, is
A) Q = 1115 (p/5 + 20)
B) Q = 1640 √P (1 – 0.01 √P)
C) Q = 3180 √P
D) None of these

Correct!

Wrong!

7) After cleaning a slow sand filter, the filtered water is not used for
A) 6 hours to 12 hours
B) 12 hours to 18 hours
C) 18 hours to 24 hours
D) 24 hours to 36 hours

Correct!

Wrong!

8) The best process of disinfection of public water supply, is by
A) Boiling
B) Chlorination
C) Adding lime
D) Adding ozone

Correct!

Wrong!

9) When the reduced level of the water source is higher than the reduced level of the consumer’s place, water is generally supplied
A) By pumping system
B) By gravitational system
C) Both (a) and (b)
D) All the above

Correct!

Wrong!

10) For the prediction of future population of a city, the factor to be considered, is
A) Births
B) Deaths
C) Migrants
D) All the above

Correct!

Wrong!

11) A city supply includes
A) Domestic water demand
B) Industrial and commercial water demands
C) Demand for public uses and fire
D) All the above

Correct!

Wrong!

12) Turbidity is the ability of water to
A) Scatter light
B) Retain suspended solids
C) Retain colloidal solids in suspension
D) Detain dissolved solids

Correct!

Wrong!

13) Turbidity for domestic water is undesirable because it’s
A) Is unaesthetic
B) Causes change of taste
C) Give apparent colour
D) Prevents light penetration & hence photosynthesis

Correct!

Wrong!

14)  Higher pH for water is undesirable because
A) It corrodes zinc, copper & lead pipes
B) It includes sour taste
C) It renders chlorination less effective
D) It promotes growth of iron & sulphur bacteria

Correct!

Wrong!

15) Presence of nitrogen in a wastewater sample is due to the decomposition of
A) Carbohydrates
B) Proteins
C) Fats
D) Vitamins

Correct!

Wrong!

16) More than 1 mg/l of fluorides causes
A) Dental caries
B) Mottled enamel of teeth
C) Skeletal fluorosis
D) Prevent dental cavities & tooth decay in children

Correct!

Wrong!

17) A desirable feature of hardness is
A) More soap consumed
B) Skin roughened
C) Vegetables toughened
D) Scales formed inside pipes to protect them from corrosion

Correct!

Wrong!

18) A factor affecting domestic demand of water is
A) Dead end system or rectification of network of pipes
B) Timing of water supply
C) Water supplies is soft or hard
D) Climatic conditions

Correct!

Wrong!

19) For an old city with constraints for growth the best method of forecasting future population is
A) Arithmetical increase method
B) Geometrical increase method
C) Graphical method
D) Incremental increase method

Correct!

Wrong!

20) Design period mainly depends on
A) Percentage interest at which the loan is taken
B) Capacity of the municipality to repay
C) Quality of fittings used
D) Rate of growth of population

Correct!

Wrong!

21) Optimum dose of coagulant means the least dose that produces
A) Maximum amount of floc
B) Floc whose density is very high
C) Max. Amount of floc within the least time
D) Readily settleable floc

Correct!

Wrong!

22) Schutzdecke will be formed in
A) Slow sand filters
B) Rapid sand filters
C) Pressure filters
D) Both SSF & RSF

Correct!

Wrong!

23) Backwashing is highly effective in case of
A) SSF
B) RSF
C) Pressure filters
D) Both RSF & SSF

Correct!

Wrong!

24) Coagulant may not be added for treatment before
A) Slow sand filter
B) Rapid sand filter
C) Pressure filter
D) Both in RSF & SSF

Correct!

Wrong!

25) Run-off is the water which flows
(A) In infiltration galleries
(B) In sewer pipes
(C) Due to leakage of pipes
(D) In rivers

Correct!

Wrong!

26) The yield of the well depends upon the
(A) Permeability of the soil
(B) Position of water table
(C) Depth of well in impervious layer
(D) All of these

Correct!

Wrong!

27) Which of the following formulas is used for computing the quantity of water for fire demand?
(A) Freeman’s formula
(B) Kuichling formula
(C) Buston formula
(D) All of these

Correct!

Wrong!

28) The design period for a water supply project is taken as
(A) 5 to 10 years
(B) 10 to 15 years
(C) 15 to 20 years
(D) 20 to 30 years

Correct!

Wrong!

29) Dissolved impurities consist of
(A) Bacteria
(B) Iron
(C) Slit
(D) Fungi

Correct!

Wrong!

30) The presence of sodium chloride in water
(A) Causes bad taste
(B) Softens the water
(C) Increases hardness of water
(D) Stops epidemic

Correct!

Wrong!

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