2 votes, 5 avg

137

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 permanent hardness is also known as __________

Pseudo hardness

Non carbonate hardness

Carbonate hardness

Brinell hardness

2 / 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

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

Less

Equal

Better

6 / 10

Category: Drains And Sewers (Environmental Engineering)

Which sewer collects sewage directly from the house?

Main sewer

Outfall sewer

Lateral sewer

Intercepting sewer

7 / 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

8 / 10

Category: Sewage Treatment And Disposal (Environmental Engineering)

The odor in wastewater is measured by __________

Osmoscope

Chromatography

Olfactometer

Turbidity meter

9 / 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

10 / 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

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5	abc	100 %	40 seconds
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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
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19	H	90 %	1 minutes 5 seconds
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23	નારણ	90 %	2 minutes 3 seconds
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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
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30	Kalpesh H	80 %	23 seconds
31	H G	80 %	41 seconds
32	MRH	80 %	1 minutes 7 seconds
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48	Mayur Chaudhari	80 %	1 minutes 58 seconds
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51	viren savaliya	80 %	3 minutes 15 seconds
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59	O	70 %	1 minutes 37 seconds
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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	Rpk	60 %	3 minutes 19 seconds
82	Dilip Dholiya	50 %	13 seconds
83	Kp	50 %	49 seconds
84	M	50 %	1 minutes 4 seconds
85	Jay	50 %	1 minutes 17 seconds
86	ABC	50 %	1 minutes 40 seconds
87	H	50 %	1 minutes 41 seconds
88	VIHAN	50 %	1 minutes 56 seconds
89	P	50 %	2 minutes 8 seconds
90	Prashant Vaja	50 %	2 minutes 25 seconds
91	S	50 %	2 minutes 38 seconds
92	hiral	50 %	3 minutes 3 seconds
93	kamini	50 %	4 minutes 15 seconds
94	R	50 %	4 minutes 31 seconds
95	Mk	50 %	5 minutes
96	Joshi Hardik	50 %	5 minutes
97	R1	50 %	5 minutes 37 seconds
98	HIMANSU GAMIT	40 %	38 seconds
99	T	40 %	1 minutes 7 seconds
100	Dk	40 %	1 minutes 19 seconds
101	Royal	40 %	1 minutes 33 seconds
102	abc	40 %	1 minutes 40 seconds
103	P	40 %	1 minutes 49 seconds
104	T	40 %	2 minutes 6 seconds
105	Shubham	40 %	2 minutes 13 seconds
106	Manan001	40 %	2 minutes 19 seconds
107	Himank	40 %	2 minutes 22 seconds
108	NIRAVKUMAR	40 %	2 minutes 45 seconds
109	Kk	40 %	2 minutes 53 seconds
110	Mk	40 %	3 minutes 23 seconds
111	Bmg	40 %	3 minutes 35 seconds
112	Mr	40 %	3 minutes 35 seconds
113	Fr	30 %	1 minutes 9 seconds
114	Leena	30 %	1 minutes 13 seconds
115	Uman	30 %	1 minutes 23 seconds
116	Tushar	30 %	1 minutes 37 seconds
117	Rutvij Khalas	30 %	1 minutes 42 seconds
118	D	30 %	2 minutes 2 seconds
119	Drr	30 %	2 minutes 5 seconds
120	Josheel	30 %	2 minutes 45 seconds
121	Swati Vasava	30 %	2 minutes 53 seconds
122	Yagnesh	30 %	3 minutes 46 seconds
123	Mayur	30 %	3 minutes 50 seconds
124	Yuvraj sinh Makwana	30 %	4 minutes 47 seconds
125	@engineer	20 %	1 minutes 52 seconds
126	Shrenik	20 %	1 minutes 59 seconds
127	Divyeshbhai Vasava	20 %	2 minutes 31 seconds
128	ABC	20 %	2 minutes 58 seconds
129	Dk	20 %	3 minutes 42 seconds
130	Tm	10 %	42 seconds
131	Xyz	10 %	1 minutes 33 seconds
132	Madhuri	10 %	1 minutes 42 seconds
133	As	10 %	1 minutes 50 seconds
134	patel	10 %	2 minutes 31 seconds
135	Manoj Kayasth	10 %	3 minutes 4 seconds
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155	Jitendra Parmar	0 %	5 seconds
156	sa	0 %	59 seconds

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