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Water Supply Engineering Online Test 1 (Free)

-: 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: Valves And Fittings (Environmental Engineering)

______ valves are used to remove sand and silt from the pipelines.

Air relief valve

Sluice valve

Scour valve

Altitude valve

2 / 10

Category: Quality of Water (Environmental Engineering)

Water lost in theft and waste contributes to how much % of total consumption?

3 / 10

Category: House Plumbing (Environmental Engineering)

What is the minimum depth of water seal in floor trap?

25 mm

50 mm

75 mm

100 mm

4 / 10

Category: Treatment of Water (Environmental Engineering)

Which is the first zone of purification in a sand bed?

Autotrophic zone

Heterotrophic zone

Schmutzdecke zone

Electrolytic zone

5 / 10

Category: Conveyance of Water (Environmental Engineering)

Which system is also known as reticulated system or interlaced system?

Grid iron system

Dead end system

Radial system

Ring system

6 / 10

Category: Quality of Water (Environmental Engineering)

Colour of water is measured by ….

Burges or Cobalt scale

Hazen or Platinic chloride scale

Both A & B

Neither A nor B

7 / 10

Category: Introduction (Environmental Engineering)

Cost of the water supply project is depends on…

System of supply

Availability of material

Level difference of source and city

All of the above

8 / 10

Category: Treatment of Water (Environmental Engineering)

The Total hardness of soft water as CaCO₃ equivalent is __________

50 ppm

100 ppm

150 ppm

200 ppm

9 / 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

10 / 10

Category: Conveyance of Water (Environmental Engineering)

In which of the following distribution system, the clean water flows entirely under gravity?

Gravity system

Pressure system

Combined gravity and pumping system

Pumping system

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2	Joshi Darshan	100 %	1 minutes 31 seconds
3	m	90 %	40 seconds
4	Jayesh	90 %	41 seconds
5	X	80 %	2 minutes 15 seconds
6	Keyur	80 %	2 minutes 27 seconds
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8	O	70 %	1 minutes 44 seconds
9	Joshi	70 %	1 minutes 56 seconds
10	Gaurav Prajapati	70 %	2 minutes 2 seconds
11	Su	70 %	2 minutes 30 seconds
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13	ravi49	70 %	3 minutes 5 seconds
14	m	60 %	1 minutes 12 seconds
15	Jayesh	60 %	1 minutes 57 seconds
16	Shailja	60 %	2 minutes 17 seconds
17	Kd	60 %	2 minutes 21 seconds
18	Ab	60 %	3 minutes 30 seconds
19	Joshi	50 %	1 minutes 45 seconds
20	Jigar Chauhan	50 %	1 minutes 55 seconds
21	Keyur	50 %	2 minutes 51 seconds
22	Aman Jain	50 %	5 minutes
23	vb	40 %	1 minutes 18 seconds
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25	HV	30 %	1 minutes 50 seconds
26	Urmila solanki	30 %	3 minutes 27 seconds
27	Guest	0 %	0 second
28	Er. Mr. M. V.	0 %	0 second

Water Supply Engineering Online Test 1 (Free)