# 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

### Wrong!

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

### 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

### 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

### 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

### 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 âˆšP (1 â€“ 0.01 âˆšP)
C) Q = 3180 âˆšP
D) None of these

### 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

### Wrong!

8) The best process of disinfection of public water supply, is by
A) Boiling
B) Chlorination

### Wrong!

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

### 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

### 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

### 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

### Wrong!

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

### Wrong!

14)Â  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

### Wrong!

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

### 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

### 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

### 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

### 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

### 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

### 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

### Wrong!

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

### Wrong!

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

### 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

### 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

### 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

### Wrong!

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

### 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

### Wrong!

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

### Wrong!

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

22504

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