Rajesh's Sir Academy For Polytechnic and Engineering
541 subscribers
409 photos
11 videos
216 files
190 links
Download Telegram
๐Ÿ”ฅComparison of Bogue's compounds

1. Binding property :
C3S > C2S > C3A > C4AF

2. Heat of Hydration :
C3A > C3S > C4AF > C2S

3. Rate of Hydration :
C4AF > C3A > C3S > C2S

4. Water required for Hydration :
C3S > C2S > C3A = C4AF
๐ŸŽฒ Quiz 'HYDROLOGY'
๐Ÿ–Š 30 questions ยท โฑ 45 sec
HPCL Engineers/Officers 2022

๐Ÿ“š Qualification: BE/BTech

๐ŸŽ“ Branch: Mechanical (103 Posts), Electrical, Civil, IE etc.

๐Ÿ“Š Total Post: 294

๐Ÿ’ธ Fees:
UR/EWS/OBC = 1180 Rs.
SC/ST = FREE

๐Ÿ”š Last Date: 22/7/2022
Reference Books for MPSC Mains

Paper 1
1. SOM - Punmia
2. SA TOS - S S Bhavikatti
3. RCC - Pillai Menon
4. Prestressed - Krishna Raju
5. Steel - Duggar
6. CPM - U K Strivastav
7. Building construction and materials - Punmia
8. Numerical Methods - M K Jain

Paper 2
1. GTE - GOPAL Ranjan
2. Highway - Justo Khanna
3. Survey - Punmia
4. Hydrology - Subramanyam
5. Irrigation - Garg
6. Environmental Engineering - Devis Corrwell, Garg
7. Fluid Mechanics - Bansal
8. HM - Bansal
9. Estimating Costing - Datta
10. Tunnel - Bindra/ Shrinivasan
11. Bridge - Bindra / Rangwala
* IS: 456 โ€“ code of practice for plain and reinforced concrete.
* IS: 383 โ€“ specifications for fine & coarse aggregate from natural sources for concrete.
* IS: 2386 โ€“ methods of tests for aggregate for concrete.
* IS: 2430 โ€“ methods of sampling.
* IS: 4082 โ€“ specifications for storage of materials.
* IS: 2116 โ€“ permissible clay, silt & fine dust contents in sand.
* IS: 2250 โ€“ compressive strength test for cement mortar cubes.
* IS: 269 โ€“ specifications for 33 grade OPC.
* IS: 8112 โ€“ specifications for 43 grade OPC.
* IS: 12269 โ€“ specifications for 53 grade OPC.
* IS: 455 โ€“ specifications for PSC (Portland slag cement).
* IS: 1489 โ€“ specifications for PPC (Portland pozzolana cement).
* IS: 6909 โ€“ specifications for SSC (super sulphated cement).
* IS: 8041 โ€“ specifications for RHPC (Rapid Hardening Portland cement).
* IS: 12330 โ€“ specifications for SRPC (sulphate resistant portland cement).
* IS: 6452 โ€“ specifications for HAC for structural use (high alumina cement).
* IS: 3466 โ€“ specifications for masonry cement.
* IS: 4031 โ€“ chemical analysis and tests on cement.
* IS: 456; 10262; SP 23 โ€“ codes for designing concrete mixes.
* IS: 1199 โ€“ methods of sampling and analysis of concrete.
* IS: 516 โ€“ methods of test for strength of concrete.
* IS: 13311 โ€“ ultrasonic testing of concrete structures.
* IS: 4925 โ€“ specifications for concrete batching plant.
* IS: 3025 โ€“ tests on water samples.
* IS: 4990 โ€“ specifications for plywood formwork for concrete.
* IS: 9103 โ€“ specifications for concrete admixtures.
* IS: 12200 โ€“ specifications for PVC water bars.
* IS: 1077 โ€“ specifications for bricks for masonry work.
* IS: 5454 โ€“ methods of sampling of bricks for tests.
* IS: 3495 โ€“ methods of testing of bricks.
* IS: 1786 โ€“ cold-worked HYSD steel rebars (grade Fe415 & Fe500).
* IS: 432; 226; 2062 โ€“ mild steel of grade I.
* IS: 432; 1877 โ€“ mild steel of grade II.
* IS: 1566 โ€“ specifications for hard drawn steel wire fabric for reinforcing concrete.
* IS: 1785 โ€“ specifications for plain hard drawn steel wire fabric for prestressed concrete.
* IS: 2090 โ€“ specifications for high tensile strength steel bar for prestressed concrete.
* IS: 2062 โ€“ specifications for steel for general purposes.
* IS: 226 โ€“ specifications for rolled steel made from structural steel.
* IS: 2074 โ€“ specifications for prime coat for structural steel.
* IS: 2932 โ€“ specifications for synthetic enamel paint for structural steel.
* IS: 12118 โ€“ specifications for Polysulphide sealants
๐Ÿ‘2
IS code used for slump test for concrete is
Anonymous Quiz
27%
A) IS 1199
26%
B) IS 1200
30%
C) IS 8041
17%
D) IS 1641
โ˜โ˜โ˜โ˜โ˜โ˜โ˜โ˜
Anonymous Quiz
42%
A)
9%
B)
42%
C)
8%
D)
Geotechnical Engg

Unit/Test & it's Purpose:-Casagrande's Apparatus:-
Determination of Consistency Limits

Hydrometer:-
Determination of Grain Size Distribution

Plate Load Test:-
Determination of Safe Bearing Capacity

Oedometer:-
Consolidation Characteristics

Core-Cutter:-
Field Density

Pycnometer:-
Specific Gravity

Soil Deposited From Suspension in Running water:-
Alluvial Soil

Deposits of Marine Origin:-
Marl

Deposits by Wind:-
Loess

Organic Soil:-
Peat

Deposited at bottom of Lakes:-Lacustrine Soil

Thank you ๐Ÿ˜Š
waste water engineering

Sewage :- All kinds of liquid waste produce by community (includes domestic waste, Storm waste, industrial waste etc).

Sullage :- The waste Water from bathrooms, kitchen etc.

Rubbish :- All sundry soild waste as paper, broken furnitures, waste building materials etc are known as rubbish

Sewer :- A conduit which carries sewage.

Sewerage :- Network of sewer used in collection, conveyance and disposal of sewage.

Dry weather flow (DWF) :- Domestic and industrial waste water produced by the community.

Wet weather flow (WWF) :- Storm water resulting from community.

Methods of sewerage system

๐Ÿ‘‰ Dry and conservancy system

๐Ÿ‘‰ Water carriage system
Subject:-RCC

Permissible Limits of Solids as Per IS 456:2000

1)Organic:-
200mg/litres

2) Suspended Matter:-
2000mg/l

3)Sulphates:-
400mg/l

4)Chlorides:-
a)For Plain Concrete:-
2000mg/l

b)For RCC:-
500mg/l

5)Inorganic:-
3000mg/l
๐Ÿ‘1
Limiting depth of neutral axis for Fe415
Anonymous Quiz
5%
A) 0.53d
83%
B) 0.48d
11%
C) 0.46d
1%
D) 0.4d
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