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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: 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

2 / 10

Category: Sewage Treatment And Disposal (Environmental Engineering)

The odor in wastewater is measured by __________

Osmoscope

Chromatography

Olfactometer

Turbidity meter

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: Valves And Fittings (Environmental Engineering)

_________ valve allows water to flow in one direction only.

Air relief valve

Sluice valve

Reflux valve

Altitude valve

5 / 10

Category: Treatment of Water (Environmental Engineering)

The permanent hardness is also known as __________

Pseudo hardness

Non carbonate hardness

Carbonate hardness

Brinell hardness

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: 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

8 / 10

Category: Drains And Sewers (Environmental Engineering)

Which sewer collects sewage directly from the house?

Main sewer

Outfall sewer

Lateral sewer

Intercepting sewer

9 / 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

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

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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
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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
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40	Dhaval	80 %	1 minutes 45 seconds
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42	Jigar Barot	80 %	1 minutes 49 seconds
43	Jd	80 %	1 minutes 52 seconds
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45	N	80 %	1 minutes 54 seconds
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47	Mayur Chaudhari	80 %	1 minutes 58 seconds
48	Hh	80 %	2 minutes 1 seconds
49	HUB	80 %	2 minutes 24 seconds
50	viren savaliya	80 %	3 minutes 15 seconds
51	Rohit	70 %	1 minutes 2 seconds
52	Priyanka	70 %	1 minutes 15 seconds
53	Why	70 %	1 minutes 18 seconds
54	Raa	70 %	1 minutes 20 seconds
55	Manoj	70 %	1 minutes 22 seconds
56	HB	70 %	1 minutes 24 seconds
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58	O	70 %	1 minutes 37 seconds
59	Yash	70 %	1 minutes 52 seconds
60	Sp	70 %	2 minutes 1 seconds
61	0	70 %	2 minutes 3 seconds
62	Nilesh Rathod	70 %	2 minutes 7 seconds
63	Ok	70 %	2 minutes 11 seconds
64	F	70 %	2 minutes 18 seconds
65	ch	70 %	2 minutes 27 seconds
66	Dhrumin	70 %	3 minutes 34 seconds
67	Parth Gadhvi	60 %	17 seconds
68	Bi	60 %	55 seconds
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71	.	60 %	1 minutes 19 seconds
72	a	60 %	1 minutes 22 seconds
73	Rahul Makwana	60 %	1 minutes 34 seconds
74	jay	60 %	1 minutes 47 seconds
75	Sagarkumar Pranami	60 %	1 minutes 50 seconds
76	B	60 %	2 minutes 6 seconds
77	Sanjay Patel	60 %	2 minutes 11 seconds
78	Dip Patel	60 %	2 minutes 37 seconds
79	Raa	60 %	2 minutes 47 seconds
80	Dilip Dholiya	50 %	13 seconds
81	Kp	50 %	49 seconds
82	M	50 %	1 minutes 4 seconds
83	Jay	50 %	1 minutes 17 seconds
84	ABC	50 %	1 minutes 40 seconds
85	H	50 %	1 minutes 41 seconds
86	VIHAN	50 %	1 minutes 56 seconds
87	P	50 %	2 minutes 8 seconds
88	Prashant Vaja	50 %	2 minutes 25 seconds
89	S	50 %	2 minutes 38 seconds
90	hiral	50 %	3 minutes 3 seconds
91	kamini	50 %	4 minutes 15 seconds
92	R	50 %	4 minutes 31 seconds
93	Mk	50 %	5 minutes
94	Joshi Hardik	50 %	5 minutes
95	R1	50 %	5 minutes 37 seconds
96	HIMANSU GAMIT	40 %	38 seconds
97	T	40 %	1 minutes 7 seconds
98	Dk	40 %	1 minutes 19 seconds
99	Royal	40 %	1 minutes 33 seconds
100	abc	40 %	1 minutes 40 seconds
101	P	40 %	1 minutes 49 seconds
102	T	40 %	2 minutes 6 seconds
103	Shubham	40 %	2 minutes 13 seconds
104	Manan001	40 %	2 minutes 19 seconds
105	Himank	40 %	2 minutes 22 seconds
106	NIRAVKUMAR	40 %	2 minutes 45 seconds
107	Kk	40 %	2 minutes 53 seconds
108	Mk	40 %	3 minutes 23 seconds
109	Bmg	40 %	3 minutes 35 seconds
110	Mr	40 %	3 minutes 35 seconds
111	Fr	30 %	1 minutes 9 seconds
112	Leena	30 %	1 minutes 13 seconds
113	Uman	30 %	1 minutes 23 seconds
114	Tushar	30 %	1 minutes 37 seconds
115	Rutvij Khalas	30 %	1 minutes 42 seconds
116	D	30 %	2 minutes 2 seconds
117	Josheel	30 %	2 minutes 45 seconds
118	Swati Vasava	30 %	2 minutes 53 seconds
119	Yagnesh	30 %	3 minutes 46 seconds
120	Mayur	30 %	3 minutes 50 seconds
121	Yuvraj sinh Makwana	30 %	4 minutes 47 seconds
122	@engineer	20 %	1 minutes 52 seconds
123	Shrenik	20 %	1 minutes 59 seconds
124	Divyeshbhai Vasava	20 %	2 minutes 31 seconds
125	ABC	20 %	2 minutes 58 seconds
126	Dk	20 %	3 minutes 42 seconds
127	Tm	10 %	42 seconds
128	Xyz	10 %	1 minutes 33 seconds
129	Madhuri	10 %	1 minutes 42 seconds
130	As	10 %	1 minutes 50 seconds
131	patel	10 %	2 minutes 31 seconds
132	Manoj Kayasth	10 %	3 minutes 4 seconds
133	Guest	0 %	0 second
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152	Jitendra Parmar	0 %	5 seconds
153	sa	0 %	59 seconds

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