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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: Sewage Treatment And Disposal (Environmental Engineering)

The odor in wastewater is measured by __________

Osmoscope

Chromatography

Olfactometer

Turbidity meter

2 / 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

3 / 10

Category: Sewage Treatment And Disposal (Environmental Engineering)

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

0.2

0.47

0.68

4 / 10

Category: Treatment of Water (Environmental Engineering)

The permanent hardness is also known as __________

Pseudo hardness

Non carbonate hardness

Carbonate hardness

Brinell hardness

5 / 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

6 / 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

7 / 10

Category: Drains And Sewers (Environmental Engineering)

Which sewer collects sewage directly from the house?

Main sewer

Outfall sewer

Lateral sewer

Intercepting sewer

8 / 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

9 / 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

10 / 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

Your score is

The average score is 54%

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Leaderboard :

Pos.	Name	Score	Duration
1	Jatin Suthar	100 %	18 seconds
2	Ketan Shah	100 %	29 seconds
3	Manan Misra	100 %	29 seconds
4	Divyeshbhai Vasava	100 %	39 seconds
5	abc	100 %	40 seconds
6	abc	100 %	41 seconds
7	Gh	100 %	1 minutes 6 seconds
8	ravi	100 %	1 minutes 10 seconds
9	Divyeshbhai Vasava	100 %	1 minutes 27 seconds
10	Dp	100 %	1 minutes 32 seconds
11	Jd	100 %	1 minutes 34 seconds
12	Palanpur Banaskantha	100 %	1 minutes 39 seconds
13	Ravi	100 %	1 minutes 46 seconds
14	Nidhi P	100 %	2 minutes 47 seconds
15	2	90 %	46 seconds
16	M R	90 %	50 seconds
17	D	90 %	54 seconds
18	Alpesh Prajapati	90 %	59 seconds
19	H	90 %	1 minutes 5 seconds
20	Vdk	90 %	1 minutes 31 seconds
21	Darshan	90 %	1 minutes 38 seconds
22	Swati Vasava	90 %	1 minutes 55 seconds
23	નારણ	90 %	2 minutes 3 seconds
24	Jatin ghoghari	90 %	2 minutes 6 seconds
25	Manas Patel	90 %	2 minutes 10 seconds
26	R	90 %	2 minutes 19 seconds
27	Vipul chaudhari	90 %	2 minutes 24 seconds
28	D	90 %	2 minutes 28 seconds
29	Vivek	90 %	2 minutes 30 seconds
30	Kalpesh H	80 %	23 seconds
31	H G	80 %	41 seconds
32	MRH	80 %	1 minutes 7 seconds
33	Rahul Makwana	80 %	1 minutes 13 seconds
34	Chauhan Ashish	80 %	1 minutes 17 seconds
35	dj	80 %	1 minutes 27 seconds
36	Uuu	80 %	1 minutes 35 seconds
37	H	80 %	1 minutes 36 seconds
38	B.j	80 %	1 minutes 37 seconds
39	M	80 %	1 minutes 38 seconds
40	Dhaval	80 %	1 minutes 45 seconds
41	X	80 %	1 minutes 48 seconds
42	Jigar Barot	80 %	1 minutes 49 seconds
43	Bbbb	80 %	1 minutes 52 seconds
44	Jd	80 %	1 minutes 52 seconds
45	Rahul	80 %	1 minutes 52 seconds
46	N	80 %	1 minutes 54 seconds
47	Shivangi	80 %	1 minutes 55 seconds
48	Mayur Chaudhari	80 %	1 minutes 58 seconds
49	Hh	80 %	2 minutes 1 seconds
50	HUB	80 %	2 minutes 24 seconds
51	viren savaliya	80 %	3 minutes 15 seconds
52	Rohit	70 %	1 minutes 2 seconds
53	Priyanka	70 %	1 minutes 15 seconds
54	Why	70 %	1 minutes 18 seconds
55	Raa	70 %	1 minutes 20 seconds
56	Manoj	70 %	1 minutes 22 seconds
57	HB	70 %	1 minutes 24 seconds
58	Joshi	70 %	1 minutes 32 seconds
59	O	70 %	1 minutes 37 seconds
60	Yash	70 %	1 minutes 52 seconds
61	Sp	70 %	2 minutes 1 seconds
62	0	70 %	2 minutes 3 seconds
63	Nilesh Rathod	70 %	2 minutes 7 seconds
64	Ok	70 %	2 minutes 11 seconds
65	F	70 %	2 minutes 18 seconds
66	ch	70 %	2 minutes 27 seconds
67	Dhrumin	70 %	3 minutes 34 seconds
68	Parth Gadhvi	60 %	17 seconds
69	Bi	60 %	55 seconds
70	Np	60 %	1 minutes 8 seconds
71	j	60 %	1 minutes 8 seconds
72	.	60 %	1 minutes 19 seconds
73	a	60 %	1 minutes 22 seconds
74	Rahul Makwana	60 %	1 minutes 34 seconds
75	jay	60 %	1 minutes 47 seconds
76	Sagarkumar Pranami	60 %	1 minutes 50 seconds
77	B	60 %	2 minutes 6 seconds
78	Sanjay Patel	60 %	2 minutes 11 seconds
79	Dip Patel	60 %	2 minutes 37 seconds
80	Raa	60 %	2 minutes 47 seconds
81	Dilip Dholiya	50 %	13 seconds
82	Kp	50 %	49 seconds
83	M	50 %	1 minutes 4 seconds
84	Jay	50 %	1 minutes 17 seconds
85	ABC	50 %	1 minutes 40 seconds
86	H	50 %	1 minutes 41 seconds
87	VIHAN	50 %	1 minutes 56 seconds
88	P	50 %	2 minutes 8 seconds
89	Prashant Vaja	50 %	2 minutes 25 seconds
90	S	50 %	2 minutes 38 seconds
91	hiral	50 %	3 minutes 3 seconds
92	kamini	50 %	4 minutes 15 seconds
93	R	50 %	4 minutes 31 seconds
94	Mk	50 %	5 minutes
95	Joshi Hardik	50 %	5 minutes
96	R1	50 %	5 minutes 37 seconds
97	HIMANSU GAMIT	40 %	38 seconds
98	T	40 %	1 minutes 7 seconds
99	Dk	40 %	1 minutes 19 seconds
100	Royal	40 %	1 minutes 33 seconds
101	abc	40 %	1 minutes 40 seconds
102	P	40 %	1 minutes 49 seconds
103	T	40 %	2 minutes 6 seconds
104	Shubham	40 %	2 minutes 13 seconds
105	Manan001	40 %	2 minutes 19 seconds
106	Himank	40 %	2 minutes 22 seconds
107	NIRAVKUMAR	40 %	2 minutes 45 seconds
108	Kk	40 %	2 minutes 53 seconds
109	Mk	40 %	3 minutes 23 seconds
110	Bmg	40 %	3 minutes 35 seconds
111	Mr	40 %	3 minutes 35 seconds
112	Fr	30 %	1 minutes 9 seconds
113	Leena	30 %	1 minutes 13 seconds
114	Uman	30 %	1 minutes 23 seconds
115	Tushar	30 %	1 minutes 37 seconds
116	Rutvij Khalas	30 %	1 minutes 42 seconds
117	D	30 %	2 minutes 2 seconds
118	Drr	30 %	2 minutes 5 seconds
119	Josheel	30 %	2 minutes 45 seconds
120	Swati Vasava	30 %	2 minutes 53 seconds
121	Yagnesh	30 %	3 minutes 46 seconds
122	Mayur	30 %	3 minutes 50 seconds
123	Yuvraj sinh Makwana	30 %	4 minutes 47 seconds
124	@engineer	20 %	1 minutes 52 seconds
125	Shrenik	20 %	1 minutes 59 seconds
126	Divyeshbhai Vasava	20 %	2 minutes 31 seconds
127	ABC	20 %	2 minutes 58 seconds
128	Dk	20 %	3 minutes 42 seconds
129	Tm	10 %	42 seconds
130	Xyz	10 %	1 minutes 33 seconds
131	Madhuri	10 %	1 minutes 42 seconds
132	As	10 %	1 minutes 50 seconds
133	patel	10 %	2 minutes 31 seconds
134	Manoj Kayasth	10 %	3 minutes 4 seconds
135	Guest	0 %	0 second
136	Guest	0 %	0 second
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152	Guest	0 %	0 second
153	Guest	0 %	0 second
154	Jitendra Parmar	0 %	5 seconds
155	sa	0 %	59 seconds

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