Sika Electrician Interview Questions and Answers

Q1. You Job location
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Q1. Unit of resistance
Ans. 
Ohm
• Unit of resistance in electrical circuits

• Symbol is Ω (omega)

• Named after German physicist Georg Simon Ohm

• Measured using an ohmmeter
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Q2. Unit of current
Ans. 
The unit of current is Ampere (A)
• The unit of current is Ampere (A)

• Current is the flow of electric charge in a circuit

• 1 Ampere is equal to 1 Coulomb per second

• Commonly used prefixes for current are milliampere (mA) and microampere (μA)
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Q1. Tell me about yourself
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Q2. Tell me about your quallification
Ans. 
I am a certified electrician with a diploma in Electrical Engineering and 5 years of hands-on experience.
• Certified electrician

• Diploma in Electrical Engineering

• 5 years of hands-on experience
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Fundamental and controlling system

Q1. Electrical protection, fault finding, protective device and short circuit
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Q2. Which device is very sensational in low voltage protective system?
Ans. 
The device that is very sensational in low voltage protective system is a Ground Fault Circuit Interrupter (GFCI).
• Ground Fault Circuit Interrupter (GFCI) is a device that quickly breaks an electrical circuit to prevent serious harm from an ongoing electric shock.

• GFCIs are commonly used in areas where water and electricity may come into contact, such as bathrooms, kitchens, and outdoor outlets.

• They work by constantly mo...read more
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Q3. When the line tester shows in both phase and neutral in the line should you check?
Ans. 
Yes, you should check for a possible short circuit or reversed polarity.
• Check for a possible short circuit in the wiring

• Check for reversed polarity in the electrical connections

• Ensure proper grounding of the system

• Verify the connections at the distribution board

• Consult with a senior electrician if unsure
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Q4. Says the 10 safe method when you work on electrical pannel?
Ans. 
The 10 safe methods when working on an electrical panel include proper training, de-energizing the panel, using appropriate PPE, and following lockout/tagout procedures.
• Ensure you are properly trained and qualified to work on electrical panels.

• Always de-energize the panel before starting any work.

• Use appropriate personal protective equipment (PPE) such as insulated gloves and safety glasses.

• Follow lockout/tagout proced...read more
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Q5. How many mm cable is suitable for the 15 Hp induction motor
Ans. 
The suitable cable size for a 15 Hp induction motor would typically be around 10 mm.
• The cable size for a motor depends on factors like the motor's power rating, voltage, and distance from the power source.

• For a 15 Hp motor, a cable size of around 10 mm would be suitable to handle the power requirements.

• It is important to consult with a qualified electrician or refer to the motor manufacturer's guidelines for the exact
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