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Delta Construction Co. W.L.L Interview Questions, Process, and Tips
Delta Construction Co. W.L.L Interview Experiences
1 interview found
Selected
I applied via Company Website and was interviewed before Jun 2022. There were 3 interview rounds.
(15 Questions)
- Q1. 1.Earthing and Lightning protection meggar values should be what to install these system ?? 2.For Lighting circuit what should be the rating of ELCB and MCCB in the Distribution board ??
- Ans. 1.Earthing System = less than 1 ohms Lightning Protection System = less than 10 ohms . 2.ELCB 300 mA MCCB 10A .
- Q2. For Power circuit what should be the rating of ELCB and MCCB rating in Distribution board ???
- Ans.
The rating of ELCB and MCCB in a distribution board for power circuits should be based on the load requirements and safety regulations.
ELCB rating should be based on the maximum fault current that can occur in the circuit to ensure proper protection against electrical shocks.
MCCB rating should be selected based on the maximum current that the circuit can handle without tripping.
Consider the type of load connected to th...
- Q3. For fire Alarm system Control Panel cable should of what type and NO &NC contact required at their panel or not ??
- Ans. Fire Rated cable 2×2.5 core FP 200 CABLE . Yes No&NC contact are required at the panel end .
- Q4. For cooker unit in villas and flats what should be the MCB rating ??
- Ans.
The MCB rating for cooker unit in villas and flats should typically be around 32A.
The MCB rating for a cooker unit is usually 32A to handle the load of the cooker.
It is important to consider the power consumption of the cooker and any other appliances connected to the same circuit.
Consulting with an electrician or following local electrical codes can help determine the appropriate MCB rating.
Using a higher MCB rating t...
- Q5. For under water lights and swimming pool lights what is the rating of ELCB in the swimming pool distribution board.
- Ans.
The rating of ELCB in the swimming pool distribution board for underwater lights and swimming pool lights should be at least 30mA.
The ELCB rating should be at least 30mA to provide protection against electric shock in wet conditions.
This is important for safety in swimming pools where the risk of electric shock is higher.
ELCBs with higher ratings such as 100mA or 300mA may not provide adequate protection in wet environ...
- Q6. How many power sockets can be connected in a 1no ring main circuit in a Distribution board ??
- Ans.
The number of power sockets that can be connected in a 1no ring main circuit in a Distribution board depends on the load capacity and design of the circuit.
The number of power sockets will depend on the load capacity of the circuit.
Consider the power rating of each socket and the total load that the circuit can handle.
Consult electrical regulations and guidelines for maximum allowable load on a ring main circuit.
Factor...
- Q7. For SMoke Extract Fan Panel a shunt trip is required or not ??
- Ans.
Yes, a shunt trip is required for Smoke Extract Fan Panel.
A shunt trip is required for Smoke Extract Fan Panel to ensure the fan can be shut off remotely in case of emergency.
It is a safety feature that allows for quick deactivation of the fan in case of fire or smoke detection.
Without a shunt trip, there may be delays in shutting off the fan during an emergency situation.
- Q8. For lighting circuits what type of wire size is installed in the Distribution board ??
- Ans.
The wire size installed in the Distribution board for lighting circuits is typically 1.5mm² or 2.5mm².
Typically, 1.5mm² or 2.5mm² wire sizes are installed in the Distribution board for lighting circuits.
The wire size is chosen based on the current rating and load requirements of the lighting circuit.
Proper wire sizing is crucial to ensure safety and prevent overheating in the electrical system.
- Q9. For power circuits,split AC unit ,cooker unit what wire size and type of cable is installed in Distribution board ??
- Ans. Power circuits wire size is single core 4. sq.mm wire For Split Ac units wire size is single core 6. sq.mm wire For cooker unit wire size is single core 10.sq.mm wire
- Q10. For a load less than 20 kw in a 3 phase Distribution board what size of main incomer MCCB and what size of cable should be given to the Distribution board from the panel ??
- Ans.
For a load less than 20 kW in a 3 phase Distribution board, a main incomer MCCB of 32A and a cable size of 6mm should be given.
Main incomer MCCB size should be 32A for a load less than 20 kW in a 3 phase Distribution board
Cable size should be 6mm for the Distribution board from the panel
- Q11. Main incomer MccB =63 Amperes Cabe Size will be = 4 core XLPE Copper cable
- Q12. Traffic barrierr system required Fire Alrm System signal and how ??
- Ans.
Traffic barrier system can be integrated with Fire Alarm System to provide early warning and evacuation signals in case of fire.
Traffic barrier system can be equipped with fire alarm sensors to detect smoke or fire.
Once fire is detected, the barrier system can automatically open to allow for evacuation of vehicles and people.
The barrier system can also trigger alarms and flashing lights to alert nearby individuals of t...
- Q13. Yes Traffic barrier system control panel required Fire Alarm system signal in the event of fire ,the traffic barrier should be open .its is connected through input/output module (I/O module)
- Q14. Galvanised Cable tray and Cable trunking required earthing ??
- Ans.
Yes, galvanised cable tray and cable trunking should be earthed for safety reasons.
Galvanised cable tray and cable trunking should be earthed to prevent electric shock hazards.
Earthing helps in dissipating any fault currents that may occur in the system.
It also helps in protecting the equipment and personnel from potential electrical faults.
Proper earthing ensures the system meets safety standards and regulations.
Examp...
- Q15. Yes G.I cable tray and G.I cable trunking reuires Earthing with single core 6 sq.mm cable Green /Yellow cable with loops to be connected to the joints of cable tray and trunking and end has to connected t...
(2 Questions)
- Q1. Why you want to change the job
- Q2. I want to work abroad .it worth challenge .I love challenges and wanted to grow in my professional carrier .
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I was interviewed in Dec 2024.
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posted on 25 Jan 2025
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I was interviewed in Dec 2024.
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Anonymous
posted on 1 Dec 2024
Selected
I applied via AmbitionBox and was interviewed in Nov 2024. There were 4 interview rounds.
(2 Questions)
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- Q2. Management in supported in department
- Ans.
Management is fully supported in the department, providing resources and guidance to ensure success.
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posted on 21 Dec 2024
Selected
(5 Questions)
- Q1. My Experience is good and best Experience this this my problem is company dropuot , My interview this HR.and CEO. BM .and Accounted this all company best Experience members this me interview show That is ...
- Q2. Company manufacturing work this BHEL part and CGL part working this manufacturing company
- Q3. What is skill? Ans:- MS word ms excel and telly knowledge all store keepers knowledge
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- Q5. What did you house? Working side areas areng
- Ans.
I managed inventory of various items in the store, including working side areas.
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Performed regular inventory checks and audits
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posted on 28 Nov 2024
Selected
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Anonymous
posted on 1 Jan 2025
Selected
I applied via Referral and was interviewed in Dec 2024. There were 3 interview rounds.
(2 Questions)
- Q1. After 5 years company groth abd other any fild is work.
- Q2. Who many currently working is company.
- Ans.
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(2 Questions)
- Q1. After 5 year company is groth and any other field is working.
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Delta Construction Co. W.L.L Reviews and Ratings
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Rating in categories
|
Mechanical Engineer
3
salaries
|  ₹7.5 L/yr - ₹13.2 L/yr |
|
Senior Electrical Engineer
3
salaries
| ₹15 L/yr - ₹15 L/yr |
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