Dangote Industries General Manager Electrical Interview Questions and Answers

Q1. What is a motor?
Ans. 
A motor is a device that converts electrical energy into mechanical energy to produce motion.
• Converts electrical energy into mechanical energy

• Produces motion

• Common types include AC motors and DC motors
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Q2. What is a transformer?
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of primary and secondary coils

• Works on the principle of electromagnetic induction

• Used to step up or step down voltage levels

• Examples: power transformers, distribution transformers
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Q3. What is the full name of PCC ?
Ans. 
PCC stands for Power Control Center.
• PCC is a type of electrical distribution panel used to control power supply to various electrical equipment.

• It helps in distributing power to different circuits and equipment in an organized manner.

• PCCs are commonly used in industrial settings to manage power distribution efficiently.
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Q1. Electrical control system and power control circuit
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Q1. What is power factor?
Ans. 
Power factor is a measure of how effectively electrical power is being converted into useful work output.
• Power factor is the ratio of real power (kW) to apparent power (kVA) in an electrical system.

• It is a number between 0 and 1, with 1 representing perfect efficiency.

• Low power factor can result in increased energy costs and inefficient use of electrical power.

• Power factor correction can be implemented to improve effic...read more
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Q2. Power Factory(cosphi)=Actual power/Apparent power
Ans. 
Power factor is the ratio of actual power to apparent power in an electrical system.
• Power factor is a measure of how effectively electrical power is being used in a system.

• It is calculated by dividing the actual power (in watts) by the apparent power (in volt-amperes).

• A power factor of 1 indicates perfect efficiency, while a lower power factor indicates inefficiency.

• For example, if a system has an actual power of 800W ...read more
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Q1. Educational background and career background
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Q1. Core subject, experience case study achievements
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Q1. Technical backround
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Q1. It's relevant to the job description
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Q1. EHS questions is mandatory and then relevant to your job decription
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Q1. Normal questions
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Q1. Electrical maintenance work
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Q2. HT Lt breck doun
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Q3. Electrical works
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Q4. Panel board AC DC motar
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Q5. Peremaintu maintenance
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Some general knowledge and rest of electrical engineering

Q1. Hr team asks questions related to electrical engineering
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Q1. What is Dc current ?
Ans. 
DC current is the flow of electric charge in a constant direction.
• DC stands for Direct Current.

• It is the type of electric current that flows in a single direction.

• DC current is produced by sources such as batteries, fuel cells, and solar cells.

• It is commonly used in electronic devices and power transmission systems.

• Unlike AC (Alternating Current), DC current does not change its direction over time.
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Q2. What is Dc Current?
Ans. 
DC current is the flow of electric charge in a single direction.
• DC stands for Direct Current

• It is produced by sources such as batteries, fuel cells, and solar cells

• DC current is used in electronic devices such as computers, televisions, and radios

• DC current is measured in amperes (A)
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