Megha Engineering & Infrastructures Tunnel Engineer Interview Questions, Process, and Tips

Q1. Civil engineering releted
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Q2. Qc,Bbs releted, site excursions
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Q3. Who many types of cement?
Ans. 
There are several types of cement used in construction.
• Ordinary Portland Cement (OPC)

• Portland Pozzolana Cement (PPC)

• White Cement

• Rapid Hardening Cement

• Low Heat Cement

• Sulfate Resistant Cement

• Blast Furnace Slag Cement

• High Alumina Cement

• Oil Well Cement
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Q4. Who type of qurring ?
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The question is unclear and does not make sense.
• The question seems to be incomplete or misspelled.

• It is difficult to understand what is being asked.

• There is no context provided for the term 'qurring'.
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Good experience and good coloured

Beam bbs calculation.

Q1. Reason for leaving current company
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for career advancement

• Looking for new challenges

• Seeking better work-life balance

• Company restructuring or downsizing

• Relocation to a new area
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Q2. Current job location
Ans. 
Currently working in a construction company in downtown Los Angeles.
• Working in downtown Los Angeles

• Construction company

• Civil engineering job
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Q1. Two types of pavent 1:- Flexible pavement 2:-rigid pavement Types of progect 1:- New progect 2:- Realigment of road
Ans. 
Flexible pavement and rigid pavement are two types of pavements used in different types of road projects.
• Flexible pavement is made of multiple layers of materials that can flex under traffic loads.

• Rigid pavement is made of a single layer of concrete or asphalt that is rigid and does not flex.

• New projects involve constructing roads from scratch, while realignment projects involve changing the alignment of existing roads...read more
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Q2. Constrution process:- surveying, enchrochment ,NGL, OGL
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Q3. Flexibile road :- 1:- Embankment as per site now taken thickness 3M , Large size of soil particles75mm lumps& cloud , liquid index<50% , plastic limit <25% , Swelling &shrinkage <50% , effective cbr as per...read more
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Q4. 3:- confinement layer or new blanket
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Q5. 4:- WMM:- It is mixture of aggregate and binding material, aggregate size4.75mm to 20mm. Binding material used stone dust ,morum,flyash, total compacted 300mm. Two layer 150mm &150mm. It is mix in pre mix...read more
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Q6. (a) Prime coat:- low viscous cut back bitumen on wmm surface area fil up pores and void. (b) Tack coat:- Light application bitumen, ashphalt,emulsion,and dilute water applied on the prim coat.
Ans. 
The question describes the application of prime coat and tack coat on a WMM surface.
• Prime coat is a low viscous cut back bitumen used to fill up pores and voids on a WMM surface.

• Tack coat is a light application of bitumen, asphalt, emulsion, or dilute water applied on the prime coat.

• The purpose of the prime coat is to bond the WMM surface with the subsequent layers of asphalt.

• The tack coat helps in providing a strong b...read more
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Q7. 5 :- DBM:- It is total thickness 150mm. Compacted in two layer 100mm & 50mm Aggregate size 20mm to 28mm ,bitumen viscous grade VG30 grade bitumen mixture.
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Q8. Tack coat :- light application bitumen ,Asphalt, emulsion,and diluted water on the surface area of DBM.
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Q9. 6:- BC :- It is total thicness 50 mm compacted. It is mixture of aggregate size 13.1mm bitumen VG30 grade viscous.
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Q10. 7:- Seal :- 6mm to 8mm thickness grvel or coarse sand mix with bitumen on BC course .provided camber on flexble pavement 1in 40 to 1in 40.
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Q11. RIGID PAVEMENT :- All the process of embankment to GSB is same. DLC:- Specification 1 :- Aggregate size 26.5 mm 2:-water absorption<2% 3 :- soundness test :- Naso4 12% ...read more
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Q12. DESIGIN PROCEDURE :- DLC thickness 150mm. 1:- use M15 grade concrete,max aggregate cement ratio 12:1 2:-The minimum cement content 150kg per cum. If flayash is more than >20% the mini.mum cement content. ...read more
Ans. 
Design procedure for 150mm DLC thickness using M15 grade concrete with specific requirements for cement content, testing, mixing, transportation, compaction, and curing.
• Use M15 grade concrete with maximum aggregate cement ratio of 12:1

• Minimum cement content of 150kg per cum, or 120kg per cum if flyash is more than 20%

• Perform 5 sample cube test after 7 day curing with strength of 10 MPA, and 1 sample cube test after 7 d...read more
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Q13. PQC:- TOTAL THICKNESS 300MM Aggregate size 31.5mm. All specificition is same as DLC.
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Q14. Design procedure :- 1 :- The minimum cement content 360 kg per cum.if the fly ash is more than 20% the minimum cement content 310 kg per cum. 2 :-The flexure strength of cement concrete after 28 days cur...read more
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Design procedure for Senior Project Manager role including cement content, strength, joint design, and surface finishing.
• Minimum cement content of 360 kg per cum, or 310 kg per cum if fly ash is more than 20%

• Flexure strength of cement concrete after 28 days curing is 4.5 MPA

• Compressive strength of cement concrete after 28 days curing is 40 MPA

• Dowel bar provided for expansion joint vehicle load transfer between slabs

• Tie...read more
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Q15. CBR:- Developed by calforina division state highway to classiy soil sub grade &GSB CBR=3%-25% CLAY<8% SAND 15% -35% GRAVEL>25% THICKNESS OF PAVEMENT T=( 1.75P/CBR - A/3.14)
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Q1. Value addition to Company
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Q1. Repair & Maintenance of Heavy Earth Moving Equipments related
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Q2. Basic Hydraulic System functioning of Equipments, Explanation
Ans. 
Hydraulic systems use fluids to transmit power and control movement in equipment.
• Hydraulic systems use a pump to pressurize fluid, which is then distributed through hoses and valves to actuators that move the equipment.

• The fluid is typically oil or water-based and is stored in a reservoir.

• Hydraulic systems are commonly used in heavy equipment such as excavators, cranes, and bulldozers.

• They are also used in aircraft lan...read more
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Q3. Trouble Shooting along with fault detection at site and site Report preparation afterwards
Ans. 
I have extensive experience in trouble shooting and fault detection at site, and preparing site reports afterwards.
• I have a strong understanding of the equipment and systems being used on site

• I am able to quickly identify and diagnose issues, and develop effective solutions

• I am skilled in preparing detailed site reports that accurately document the issue and the steps taken to resolve it

• I am able to communicate effecti...read more
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Q1. General planning knowledge
Ans. How you see a project, scope,wbs etc.
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Q2. Earned value management,
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Q1. Experience and salary
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