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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 Questionnaire 

1 Question

  • Q1. What's BTU METER
  • Ans. 

    BTU meter is a device used to measure the heat energy in a fluid flow.

    • BTU stands for British Thermal Unit

    • It measures the amount of heat energy transferred from one medium to another

    • It is commonly used in HVAC systems to measure the heating or cooling output

    • It consists of a flow sensor and temperature sensors to calculate the heat energy

    • Examples of applications include measuring the energy consumption of a building's he

  • Answered by AI

Interview Questionnaire 

3 Questions

  • Q1. Maintenance
  • Q2. Maintenance Related
  • Q3. Maintenance person

I applied via Naukri.com and was interviewed in Nov 2019. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. About AC equipment. DG ,ups, chiller,transformer, ppm of the db & panel
  • Q2. I have answered all questions .

Interview Preparation Tips

Interview preparation tips for other job seekers - 1- try to answer all questions confidently.
2- communication skill should be good
3- prepared good resume

I applied via Recruitment Consultant and was interviewed before Jun 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - They also give you a chance to find out if the job and company are right for you. Follow the tips here to ace your interviews.
. Strengths
. Willingness to work and flexibility
. Leadership skills
. Ability and willingness to learn new things
. Contributions to the organizations in which . you have worked or volunteered
. Creativity in solving problems and working with people
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - Your confidence makes you stronger. So Never give up..
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.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident while any interview
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Indeed and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Types of Flow meter
  • Ans. 

    Flow meters are devices used to measure the flow rate of a fluid in a pipe or conduit.

    • Differential Pressure Flow Meters (Orifice, Venturi, Pitot Tube)

    • Velocity Flow Meters (Turbine, Electromagnetic, Ultrasonic)

    • Positive Displacement Flow Meters (Rotary, Oval Gear, Nutating Disk)

    • Mass Flow Meters (Coriolis, Thermal, Weighing)

    • Open Channel Flow Meters (Flume, Weir)

  • Answered by AI
  • Q2. Calibration of Control valve
  • Ans. 

    Calibration of control valve involves adjusting the valve to ensure it opens and closes at the correct set points.

    • Calibration involves adjusting the valve's position to match the desired input signal.

    • Use calibration tools such as pressure gauges, flow meters, and positioners to adjust the valve.

    • Perform calibration regularly to ensure the valve operates accurately and efficiently.

    • Document calibration procedures and resu...

  • Answered by AI
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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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based on 2 reviews

4.5/5

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4.0

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3.6

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2.4

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2.4

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4.1

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4.5

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4.5

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