Aljaber Engineering Electrician and AC Technician Interview Questions and Answers

Electrician test and all questions

Q1. 2 way wairing And all electrical work
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Q2. 2 way and light and wairing and Earth and all
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Q3. Electrical all questions
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Q1. Transformer maintenance
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Q2. VFD maintenance
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Q1. Electrician maintenance
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Q2. Superviser electrician
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To decide how to work in safety in electrical equipment

Q1. Which safety hazard electrical protection
Ans. 
One safety hazard in electrical protection is electric shock.
• Electric shock can occur when coming into contact with live electrical parts.

• Proper grounding and insulation of electrical equipment is essential to prevent electric shock.

• Regular maintenance and inspections of electrical systems can help identify potential hazards.

• Using personal protective equipment such as insulated gloves and safety goggles can reduce the ...read more
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Q1. Tell me about yourself.
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Q1. Knowledge of wiring and accessories
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Q1. What programming languages are you most familiar with?
Ans. 
I am most familiar with programming languages such as Python, Java, and C++.
• Python

• Java

• C++
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Q2. What is your field of expertise and what would you like to learn more about?
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Q1. What is Transformer maintenance
Ans. 
Transformer maintenance involves regular inspection, testing, and servicing to ensure optimal performance and prevent breakdowns.
• Regularly inspecting for signs of wear and tear

• Testing insulation resistance to prevent short circuits

• Servicing cooling systems to prevent overheating

• Checking oil levels and quality for proper lubrication

• Cleaning and tightening connections for efficient operation
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Q2. What is motor maintenance
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Motor maintenance involves regular inspection, cleaning, lubrication, and repair of electric motors to ensure optimal performance and longevity.
• Regularly inspecting motor components for wear and tear

• Cleaning motor parts to remove dust and debris

• Lubricating moving parts to reduce friction and wear

• Repairing or replacing damaged components as needed

• Testing motor performance and efficiency
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Q1. When you working. How many year experience
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Q2. Expectation salary. Did you what work in previous company.
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Q1. Electrician 3 phase &single phase different
Ans. 
Single phase has one live wire and one neutral wire, while three phase has three live wires and one neutral wire.
• Single phase is used for smaller loads like household appliances.

• Three phase is used for larger loads like industrial machinery.

• Single phase has a lower power output compared to three phase.

• Three phase is more efficient and cost-effective for high power applications.

• Single phase has a voltage of 230V while t...read more
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Q2. Mechanical 2 hp motor how kw need
Ans. 
The kW required for a 2 hp motor depends on the efficiency of the motor.
• The efficiency of the motor needs to be known to calculate the kW required.

• The formula to calculate kW is kW = hp x 0.746 / efficiency.

• Assuming an efficiency of 80%, the kW required for a 2 hp motor would be 1.49 kW.
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