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Free Environmental Engineering Test 1

-: Symbols & Description :-

(નિશાનીઓ અને તેનું વર્ણન)

-: Instructions :-

(સૂચનાઓ)

1. Click On Full Screen Mode (¤) From Corner For Best Test Experience

(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

2. Use Navigation Bar For Jumping Forward or Backward To Any Question

(કોઈ પણ પ્રશ્ન ઉપર જવા માટે નેવિગેશન બારનો ઉપયોગ કરવો)

3. Submit Test Button Will Be Only Visible At The Last Question

(ટેસ્ટ સબમિટ કરવાનો ઓપ્શન માત્ર છેલ્લા પ્રશ્ન ઉપર હશે)

4. Don't Forget To Give Your Rating & Review At The End Of Test

(ટેસ્ટ પૂરી થયા પછી રેટિંગ & રિવ્યુ આપવાનું ભુલશો નહીં)

"BEST OF LUCK"

[Click On Full Screen Mode (¤) From Corner For Best Test Experience]

(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

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Your Name

1 / 10

Category: Drains And Sewers (Environmental Engineering)

Which sewer collects sewage directly from the house?

Main sewer

Outfall sewer

Lateral sewer

Intercepting sewer

2 / 10

Category: Sewage Treatment And Disposal (Environmental Engineering)

The detention period of oxidation pond is ___________

12-36 hours

4 hours

10-20 days

30-60 seconds

3 / 10

Category: Quality of Water (Environmental Engineering)

Increase in population of a rapidly growing city, may be estimated by

Arithmetical average method

Geometrical method

Incremental increase method

Graphical comparison method

4 / 10

Category: Sewage Treatment And Disposal (Environmental Engineering)

5 days BOD at 20°C is _______ of total demand.

0.2

0.47

0.68

5 / 10

Category: Treatment of Water (Environmental Engineering)

The effective size of sand of the slow sand filter is __________

0.1-0.2 mm

0.2-0.3 mm

0.4-0.7 mm

1-2 mm

6 / 10

Category: Class 3 Environmental

Facultative bacteria survive in

The presence of oxygen

The absence of oxygen

Both cases A and B

Neither A nor B

7 / 10

Category: Valves And Fittings (Environmental Engineering)

_________ valve allows water to flow in one direction only.

Air relief valve

Sluice valve

Reflux valve

Altitude valve

8 / 10

Category: Sewage Treatment And Disposal (Environmental Engineering)

The odor in wastewater is measured by __________

Osmoscope

Chromatography

Olfactometer

Turbidity meter

9 / 10

Category: Treatment of Water (Environmental Engineering)

The permanent hardness is also known as __________

Pseudo hardness

Non carbonate hardness

Carbonate hardness

Brinell hardness

10 / 10

Category: Treatment of Water (Environmental Engineering)

The bacterial removal efficiency of the rapid sand filter is ______ in comparison to slow sand filter.

Less

Equal

Better

Your score is

The average score is 67%

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"Thank You"

Leaderboard :

Pos.	Name	Score	Duration
1	Jatin Suthar	100 %	18 seconds
2	Ketan Shah	100 %	29 seconds
3	Manan Misra	100 %	29 seconds
4	ravi	100 %	1 minutes 10 seconds
5	Dp	100 %	1 minutes 32 seconds
6	Palanpur Banaskantha	100 %	1 minutes 39 seconds
7	Ravi	100 %	1 minutes 46 seconds
8	M R	90 %	50 seconds
9	Darshan	90 %	1 minutes 38 seconds
10	Jatin ghoghari	90 %	2 minutes 6 seconds
11	Manas Patel	90 %	2 minutes 10 seconds
12	R	90 %	2 minutes 19 seconds
13	Vipul chaudhari	90 %	2 minutes 24 seconds
14	Kalpesh H	80 %	23 seconds
15	MRH	80 %	1 minutes 7 seconds
16	Chauhan Ashish	80 %	1 minutes 17 seconds
17	Uuu	80 %	1 minutes 35 seconds
18	B.j	80 %	1 minutes 37 seconds
19	Jigar Barot	80 %	1 minutes 49 seconds
20	Jd	80 %	1 minutes 52 seconds
21	Rahul	80 %	1 minutes 52 seconds
22	N	80 %	1 minutes 54 seconds
23	Hh	80 %	2 minutes 1 seconds
24	viren savaliya	80 %	3 minutes 15 seconds
25	Why	70 %	1 minutes 18 seconds
26	Joshi	70 %	1 minutes 32 seconds
27	Ok	70 %	2 minutes 11 seconds
28	F	70 %	2 minutes 18 seconds
29	Parth Gadhvi	60 %	17 seconds
30	Bi	60 %	55 seconds
31	Np	60 %	1 minutes 8 seconds
32	B	60 %	2 minutes 6 seconds
33	Dilip Dholiya	50 %	13 seconds
34	Kp	50 %	49 seconds
35	M	50 %	1 minutes 4 seconds
36	VIHAN	50 %	1 minutes 56 seconds
37	P	50 %	2 minutes 8 seconds
38	S	50 %	2 minutes 38 seconds
39	R1	50 %	5 minutes 37 seconds
40	T	40 %	1 minutes 7 seconds
41	Fr	30 %	1 minutes 9 seconds
42	Rutvij Khalas	30 %	1 minutes 42 seconds
43	@engineer	20 %	1 minutes 52 seconds
44	Tm	10 %	42 seconds
45	Madhuri	10 %	1 minutes 42 seconds
46	Guest	0 %	0 second
47	Guest	0 %	0 second

Free Environmental Engineering Test 1

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