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Efs Facilities Services Senior Electrical Technician Interview Questions, Process, and Tips

Updated 10 Dec 2017

Efs Facilities Services Senior Electrical Technician Interview Experiences

1 interview found

Interview Questionnaire 

12 Questions

  • Q1. What's the generator?
  • Ans. 

    A generator is a device that converts mechanical energy into electrical energy.

    • Generators are commonly used to provide backup power during electrical outages.

    • They work on the principle of electromagnetic induction.

    • Generators can be powered by various sources such as gasoline, diesel, natural gas, or renewable energy.

    • They are used in various applications including residential, commercial, and industrial sectors.

    • Examples...

  • Answered by AI
  • Q2. How to manage in over loads
  • Ans. 

    To manage overloads, ensure proper circuit design, use protective devices, monitor load levels, and implement load shedding.

    • Design circuits with appropriate capacity to handle expected loads.

    • Install protective devices like circuit breakers and fuses to prevent overloads.

    • Regularly monitor load levels using ammeters or power monitoring systems.

    • Implement load shedding techniques to prioritize critical loads during high de...

  • Answered by AI
  • Q3. What's the ups
  • Ans. 

    UPS stands for Uninterruptible Power Supply.

    • UPS is a device that provides emergency power to electrical equipment when the main power source fails.

    • It ensures that critical systems remain operational during power outages or fluctuations.

    • UPS units typically include a battery, an inverter, and a charger.

    • They are commonly used in data centers, hospitals, and other facilities where continuous power supply is crucial.

    • UPS can...

  • Answered by AI
  • Q4. How to connected in ups battery
  • Ans. 

    To connect a battery in a UPS, follow these steps:

    • Identify the positive and negative terminals of the battery

    • Connect the positive terminal of the battery to the positive terminal of the UPS

    • Connect the negative terminal of the battery to the negative terminal of the UPS

    • Ensure the connections are secure and tight

    • Verify the battery voltage and capacity compatibility with the UPS

    • Consider using appropriate cables and connec

  • Answered by AI
  • Q5. What's the battery volt in charging time
  • Ans. 

    The battery voltage during charging time depends on the charging method and the type of battery.

    • The battery voltage can vary depending on the charging method used.

    • For example, in a constant voltage charging method, the battery voltage remains constant during charging.

    • In a constant current charging method, the battery voltage gradually increases as the battery charges.

    • The battery voltage also depends on the type of batt...

  • Answered by AI
  • Q6. What's the battery volt in discharge times
  • Ans. 

    The battery voltage decreases during discharge.

    • Battery voltage decreases as the battery discharges.

    • The rate of voltage decrease depends on the battery's capacity and load.

    • For example, a fully charged 12V battery may drop to 11V after discharging for a certain period.

    • Battery voltage can be measured using a voltmeter.

  • Answered by AI
  • Q7. What's the rectifier
  • Ans. 

    A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).

    • Rectifiers are commonly used in power supplies to convert AC voltage to DC voltage.

    • They are made up of diodes, which allow current to flow in only one direction.

    • Rectifiers can be half-wave or full-wave, depending on the number of diodes used.

    • Examples of rectifiers include bridge rectifiers, vacuum tube rectifiers, and soli

  • Answered by AI
  • Q8. How to connect the capacitor in capacitor bank
  • Ans. 

    Capacitors in a capacitor bank are connected in parallel to increase the overall capacitance.

    • Capacitors in a capacitor bank are connected in parallel.

    • The positive terminals of all the capacitors are connected together, and the negative terminals are connected together.

    • This parallel connection increases the overall capacitance of the bank.

    • For example, if three capacitors with capacitances of 10μF, 20μF, and 30μF are con...

  • Answered by AI
  • Q9. How to manage in power failure situation
  • Ans. 

    In a power failure situation, it is important to have a plan in place to manage the situation effectively.

    • Ensure backup power sources are available, such as generators or uninterruptible power supplies (UPS)

    • Implement a power outage response plan that includes procedures for safely shutting down equipment and systems

    • Regularly test backup power systems to ensure they are in working order

    • Have emergency lighting and commun...

  • Answered by AI
  • Q10. Which fire extinguisher use in electrical fire
  • Ans. 

    The appropriate fire extinguisher to use in an electrical fire is a Class C fire extinguisher.

    • Class C fire extinguishers are specifically designed to extinguish fires involving electrical equipment.

    • They contain non-conductive extinguishing agents, such as carbon dioxide or dry chemical powder, to safely put out the fire without conducting electricity.

    • It is important to never use water or foam-based extinguishers on ele...

  • Answered by AI
  • Q11. Wich meter use in eath test
  • Ans. 

    A digital multimeter (DMM) is commonly used for earth testing.

    • A digital multimeter (DMM) is a versatile tool that can measure resistance, voltage, and current.

    • For earth testing, the DMM is used to measure the resistance between the earth electrode and the grounding system.

    • The DMM should be set to the resistance (ohms) mode and connected to the earth electrode and grounding system.

    • The measured resistance value helps det...

  • Answered by AI
  • Q12. What's the earth ohm resistance
  • Ans. 

    The earth ohm resistance refers to the resistance of the earth or ground in an electrical circuit.

    • Earth ohm resistance is a measure of how easily current can flow through the earth.

    • It is important to have a low earth ohm resistance to ensure proper grounding and safety in electrical systems.

    • The earth ohm resistance can vary depending on factors such as soil composition, moisture content, and temperature.

    • Typically, a go...

  • Answered by AI

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is transformer vector group
  • Ans. 

    Transformer vector group is a method used to represent the phase shift between the primary and secondary windings of a transformer.

    • Transformer vector group indicates the relationship between the primary and secondary winding phases.

    • It helps in determining the connection and phase shift of the transformer windings.

    • Common vector groups include Yy0, Yd1, Dyn11, etc.

    • Vector group is important for parallel operation of trans

  • Answered by AI
  • Q2. Why we are desting vbd test in transformer
  • Ans. 

    VBD test is conducted in transformers to ensure insulation integrity and detect any potential faults.

    • VBD test helps in identifying any weak spots in the insulation of the transformer

    • It helps in preventing breakdowns and ensuring the safety and reliability of the transformer

    • By conducting VBD test, any potential faults can be detected early and necessary maintenance can be carried out

    • It is a standard procedure in transfo

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Dusters Total Solutions Services Electrical Engineer interview:
  • Electricals
  • Documentation
Interview preparation tips for other job seekers - Any
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jul 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Maintenance engineer
  • Q2. Facility management, inventory, MMR, DSR, DMR
Round 3 - Technical 

(2 Questions)

  • Q1. Only facility maintenance
  • Q2. Electrical, plumbing, HVAC, civil
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
-
Result
Selected Selected

I was interviewed in Aug 2023.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. Why job thik Electrical filed
  • Q2. What this work electrical engineering
  • Q3. Total Experience this field

Interview Preparation Tips

Interview preparation tips for other job seekers - New company new knowledge new people
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Fair and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. 1 What is transformer and safety 2 PM activity of mcc panel, PCC panel
  • Ans. 

    A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. Safety measures are important to prevent accidents and ensure proper functioning of transformers.

    • A transformer is used to step up or step down voltage levels in electrical systems.

    • It consists of two or more coils of wire, known as windings, which are wound around a core made of magnetic...

  • Answered by AI
  • Q2. What is DG and how its working
  • Ans. 

    DG stands for Diesel Generator. It is a type of generator that uses diesel fuel to produce electrical energy.

    • DG is commonly used as a backup power source in case of power outages.

    • It consists of an engine that runs on diesel fuel and an alternator that converts mechanical energy into electrical energy.

    • DG sets are often used in industries, commercial buildings, and residential complexes.

    • They are capable of providing powe...

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Sep 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What is your strength

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident while any interview
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Jan 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Technical 

(4 Questions)

  • Q1. What is ACB? ACB IS A CIRCUIT BRAKER WAHT IS TRANSFORMER. TRANSFORMER IS POWER DISTRIBUTION SYSTEM
  • Ans. 

    ACB stands for Air Circuit Breaker, which is a type of circuit breaker used to protect electrical circuits from overloads and short circuits.

    • ACB is commonly used in low voltage power distribution systems

    • It operates by automatically cutting off the power supply when a fault is detected

    • ACBs are more reliable and require less maintenance compared to other types of circuit breakers

    • Examples of ACB manufacturers include Schn

  • Answered by AI
  • Q2. Good and technically strong.
  • Q3. What is contractors.
  • Ans. 

    Contractors are individuals or companies hired to perform specific tasks or projects for a client or organization.

    • Contractors are not employees of the client or organization, but rather work independently or as part of their own company.

    • They are typically hired for a specific period of time or project, and are paid based on the terms of their contract.

    • Examples of contractors include construction workers, freelance writ...

  • Answered by AI
  • Q4. What do you mean by relay
  • Ans. 

    A relay is an electrically operated switch that opens or closes circuits electromechanically.

    • Relays are used to control high voltage circuits with low voltage signals.

    • They consist of a coil, an armature, and a set of contacts.

    • When the coil is energized, the armature moves and the contacts either open or close.

    • Relays are commonly used in industrial control systems, automotive applications, and household appliances.

    • Examp...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good problem-solvingskills and good service providers
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Technical electrical question
  • Q2. Question about previous experience

Interview Preparation Tips

Interview preparation tips for other job seekers - Good company for fresher to start new carrier, salary credit on time


No proper shift schedule have to go whenever they call
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Technical 

(2 Questions)

  • Q1. Tell me about your self
  • Ans. Self introduction name education experience etc
  • Answered by Dinesh Dakhore
  • Q2. Why should hire you

Interview Questionnaire 

4 Questions

  • Q1. What was the post you expecting from me?
  • Q2. What was salary package?
  • Q3. What was the main role and company target?
  • Q4. What the product you are delivering? What the electrical equipments doing?
  • Ans. 

    We are delivering electrical products and equipment for various industries and applications.

    • Our products include transformers, switchgear, motors, and control panels.

    • We provide electrical solutions for industries such as manufacturing, construction, and energy.

    • Our equipment is responsible for powering machinery, lighting, and other electrical systems.

    • We ensure that all our products meet safety standards and are install...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - No comments

Efs Facilities Services Interview FAQs

How to prepare for Efs Facilities Services Senior Electrical Technician interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Efs Facilities Services. The most common topics and skills that interviewers at Efs Facilities Services expect are Electrical Maintenance, Electricals, Panel Wiring and Technician Activities.
What are the top questions asked in Efs Facilities Services Senior Electrical Technician interview?

Some of the top questions asked at the Efs Facilities Services Senior Electrical Technician interview -

  1. Which fire extinguisher use in electrical fi...read more
  2. What's the generat...read more
  3. What's the battery volt in discharge tim...read more

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Efs Facilities Services Senior Electrical Technician Reviews and Ratings

based on 2 reviews

4.6/5

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4.0

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3.6

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2.5

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2.5

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4.1

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4.6

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4.6

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