Tecnimont Electrical GET Interview Questions and Answers

Q1. Working principle of induction motor
Ans. 
Induction motors work on the principle of electromagnetic induction to generate rotating magnetic fields.
• Induction motors have a stator with a set of windings that are connected to an AC power source.

• When the AC power is applied, it creates a rotating magnetic field in the stator.

• This rotating magnetic field induces currents in the rotor bars, causing it to rotate.

• The rotor never catches up to the speed of the rotating...read more
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Q2. What is illumination?
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Illumination refers to the amount of light present in a space, measured in lux or foot-candles.
• Illumination is crucial for visibility and safety in indoor and outdoor environments.

• It is measured using units such as lux or foot-candles.

• Proper illumination levels are important in workplaces, homes, and public spaces.

• Examples of illumination sources include natural light, light fixtures, and streetlights.
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Q3. What is switch gear ? And it's application
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Switch gear is a combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment.
• Switch gear is used to control the flow of electricity in a power system.

• It is essential for protecting electrical equipment from damage due to overloads or short circuits.

• Common applications of switch gear include power distribution, industrial plants, and electrical subst
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Q4. Types of Transformer
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Transformers are classified based on their construction, cooling methods, and voltage levels.
• Based on construction: Core type and Shell type transformers

• Based on cooling methods: Oil immersed, Dry type, and Water cooled transformers

• Based on voltage levels: Step-up and Step-down transformers

• Examples: Distribution transformer, Power transformer, Auto transformer
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Q1. What is the process for calculating electrical load?
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Q2. What is the calculation process for sizing transformers and diesel generator (DG) sets?
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Q3. What are the different types of transformers?
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Q4. What types and sizes of cables are available in the market?
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Q5. What are the different types of earthing?
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Q6. What are the various electrical hazards?
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Q1. What was your designation in your previous company?
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Q2. Salary structure ?
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Q1. What is your anticipated joining date?
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Q2. What is your notice period?
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Q1. What is load density?
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Q2. What will be short circuit current form 1000kVA TF (5% Z) on a panel and determine it’s CB Fault current rating? Which IEC Standard is used?
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Q3. What will be cable size & CB rating for 50KW motor at 30m distance from panel?
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Q4. What is CRI? (Lighting design)
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Q5. What is UGR? (Lighting design)
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Q6. What is Uniformity factor? (Lighting design)
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Q7. What is maintenance factor? (Lighting design)
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Q8. What are reflection index in rooms?
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Q9. How to design exit sign lighting in corridor or pathways? (Lighting design)
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Q10. How to design earthing?
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Q11. What earth loop impedance?
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Q12. How to design transformer room?
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Q13. How to size cable tray?
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Q14. How much spacing required between smoke detectors?
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Q15. How clearance maintained with cable tray and wet service pipe ?
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Q16. How to design CCTV system ? which cable used for CCTV?
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Q17. What is Harmonics in transformer? What are it’s impacts on system and how to reduce it?
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Q1. Revit tool test: -Link Arch file. -Copy monitor all levels. -Create central file. -Create filter for power, lighting & cable tray. -Create workset for power, lighting. -Create view template. -Place panels ...read more
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Q2. Post tool test questions. 1. What is Type & instance parameter? 2. What is view template & revit template? 3. Template file format? 4. How to do electrical distribution. 5. What is difference between navi...read more
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Q1. MEP DESIGN RELATED QUESTION
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Q1. What is moter and it capacity
Ans. 
A motor is a device that converts electrical energy into mechanical energy to perform work.
• Motors are commonly used in various applications such as electric vehicles, industrial machinery, and household appliances.

• They come in different types such as AC motors, DC motors, and stepper motors.

• Motor capacity refers to its power rating, typically measured in horsepower (HP) or kilowatts (kW).

• Higher capacity motors can gene...read more
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Q2. Moter is a mechanical part which convert electrical energy in to mechanical energy
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Technical questions

Q1. Technical questions
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Q2. Felld related questions
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Q1. Testing and commissioning related
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Q2. Work place Safety
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Q1. Circuit breakers & Switchgears
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Q2. What's the Loto system
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The Loto system stands for Lockout/Tagout, a safety procedure used to ensure that dangerous machines are properly shut off and not started up again during maintenance or servicing.
• Loto system involves locking the energy-isolating devices with individual lockout devices to prevent the machine from being turned on

• Tagout involves placing a tag on the locked device to indicate that it should not be operated

• Employees workin...read more
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Q1. How much salary expectations
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