Jackson's Turbidity Rod is used to measure __________ turbidity
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18%
Very low
25%
low
45%
high
12%
Any range of
The statement "The rate of killing of bacteria is proportional to bacteria remaining at time t" is related to
Anonymous Quiz
19%
Watson's law
39%
Chick's law
32%
Flocculation
9%
None of the above
which of the following is not a method of disinfection
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(STUDENTdesar)
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16%
Boiling
26%
Excess lime
25%
Potassium permanent
32%
electrolyte action
If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section is 5, the slenderness ratio of the stanchion, is
Anonymous Quiz
11%
60
22%
70
62%
80
5%
90
Which of following is not a traffic island
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13%
Rotary
25%
Pedestrian loading
15%
Channelizing
47%
Service line
which of the following is not a method of conducting speed and delay studies
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23%
floating car method
20%
licence plate method
32%
return postcard method
25%
interview technique
❤1
A vehicle travelling at 40 kmph was stopped within 1.8 seconds after the application of the brakes. Determine the average is skid resistance
Anonymous Quiz
16%
0.54
38%
0.58
38%
0.63
8%
0.69
👍2
30 ml of sewage is diluted with 1500 ml of distilled water. What is the threshold odour number
Anonymous Quiz
25%
51
28%
1.02
21%
0.98
26%
50
Civil Engineering Mcqs SSC JE RRB JE State JE AE GATE ESE
30 ml of sewage is diluted with 1500 ml of distilled water. What is the threshold odour number
Explanation :-
TON =
(Sewage sample + Volume of distilled water added to make it odour free) / (Volume of sewage sample)
TON =
(Sewage sample + Volume of distilled water added to make it odour free) / (Volume of sewage sample)
👍3
Select the most appropriate option :-
"Nitrate in the sewage water indicates ________"
"Nitrate in the sewage water indicates ________"
Anonymous Quiz
18%
recent pollution in sewage
23%
partially decomposed sewage
47%
fully decomposed sewage
12%
sum of nitrogen and organic nitrogen
If BOD <<<<<< COD then
Anonymous Quiz
14%
Inorganic matter is absent
21%
Organic matter is high
55%
Inorganic matter is high
11%
Organic and inorganic matter is in equal quality
Select the odd one
Anonymous Quiz
19%
Butter fly valve
14%
Air release valve
37%
pitot valve
29%
foot valve
❤1
In activated sludge process of waste water treatment, Food to micro-organism ratio is generally kept
Anonymous Quiz
10%
1 - 2
45%
0.3 - 0.6
34%
0.8 - 1.2
11%
<0.2
Sludge is having moisture content of 95% and specific gravity of sludge solid is 2.1 then find the density of sludge
Anonymous Quiz
26%
2100
38%
1050
23%
1173
13%
1026
Bernoulli's equation is invalid for
Anonymous Quiz
17%
steady flow
22%
incompressible flow
18%
irrotational flow
42%
viscous fluid
❤1
the divergent cone angle in a Venturi metre is generally kept lesser than convergent cone angle to
Anonymous Quiz
10%
create separation of flow
27%
avoid cavitation
53%
avoid separation of flow
10%
get more accurate measurement
Which of following is different from all others
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34%
Phenanthroline method
23%
Standard Plate count test
22%
Membrane filter technique test
22%
MPN test
if the alkalinity is more than total hardness then the Non carbonate hardness will be
Anonymous Quiz
35%
Equal to alkalinity
48%
Equal to zero
10%
Equal to one
8%
Any value greater than 5
Digital Turbidity meter is based on principal of
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(Important Questions)
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17%
Light absorbing
60%
Light scattering
16%
Settling velocity
7%
Flow velocity