Rajesh's Sir Academy For Polytechnic and Engineering
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๐ŸŽฒ Quiz 'ENVIRONMENTAL ENGINEERING'
๐Ÿ–Š 30 questions ยท โฑ 30 sec
โค1๐Ÿ”ฅ1
Variations in water demand

Maximum daily demand :- 1.8*Avg. Daily demand.

Maximum hourly demand :- 1.5*Avg. demand hourly of maximum day

Peak demand :- 2.7*Avg. Hourly demand.

Maximum weekly demand :- 1.48*Avg. Weekly

Maximum monthly demand :- 1.28*Avg. Monthly
Standard of Irrigation water
concentration of soluble salt

Electrical conductivity is expressed in micro-mhos per centimeter at 25โ„ƒ

Ec < 250 -- Low salinity of water

250 โ‰ค Ec < 750 -- Medium salinity of water

750 โ‰ค Ec < 2250 -- High salinity of water

Ec โ‰ฅ 2250 -- Very high salinity of water

--> Value of sodium adsorption ratio for high sodium water lies between - 18 to 26
Please download e-admit card for incomming DSSSB exam, you can download the e-admit card from the link https://cdn.digialm.com:443//EForms/configuredHtml/1258/77677/login.html or
visit the website https://dsssb.delhi.gov.in
Mahapariksha All Question papers.zip
7.2 MB
Maharashtra All junior engineer (JE) Papers till now
Elevated Storage Tanks.(EST)
๐ŸŽฒ Quiz 'DESIGN F RCC STRUCTURE'
๐Ÿ–Š 30 questions ยท โฑ 45 sec
The most preferable cross section for steel is
Anonymous Quiz
31%
A) plastic
32%
B) compact
16%
C) semicompact
22%
D) Slender
Which IS code deal with earthquake resistant design of structures
Anonymous Quiz
6%
A) IS 475
8%
B) IS 800
20%
C) IS 875
64%
D) IS 1893
2%
E) IS 2430
Answer for above question
Anonymous Quiz
16%
A)
45%
B)
10%
C)
29%
D)
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๐ŸŽฒ Quiz 'Rcc'
๐Ÿ–Š 30 questions ยท โฑ 45 sec
๐ŸŽฒ Quiz 'Tech quiz'
๐Ÿ–Š 74 questions ยท โฑ 30 sec
Air Pollution

Classification of Air Pollutants:-

Primary Pollutants:-
1. Hydrocarbons
2. Sulphur compounds
3. Nitrogen compounds
4. Carbon dioxide
5. Carbon monoxide
6. Photochemical Oxidents
7. Lead
8. Radioactive materials
9. Halogen compounds
10. Suspended Particulate matter

Secondary Pollutants:-
1. Sulphuric acid
2. Ozone
3. Formaldehyde
4. Peroxy-acetyl-nitrate(PAN)
5. Photochemical smog.
Type of cross drainage works (CD works)


1)CD works carrying the canal over the natural drain
a) Aqueduct
b) Syphon aqueduct

2)CD works carrying natural drain over the canal
a) Super passage
b) Syphon

3)CD works admitting the drain water into the canal
a) Level crossing
b) Inlet and outlet
๐ŸŽฒ Quiz 'SOIL MECHANICS'
๐Ÿ–Š 30 questions ยท โฑ 45 sec