Dangote Cement Senior Electrical Engineer Interview Questions and Answers

Q1. HT motors trouble shooting
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Q2. Transformers who maintenence
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Q3. 132/6.6 kv substation operation work
Ans. 
132/6.6 kv substation operation involves managing high voltage equipment for power distribution.
• Understanding the operation and maintenance of high voltage equipment such as transformers, circuit breakers, and switchgear

• Ensuring proper grounding and safety measures are in place to prevent electrical hazards

• Monitoring voltage levels, current flow, and overall substation performance

• Troubleshooting and resolving any issue...read more
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Q4. LT Feeders Trouble shooting
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Q5. Lighting elemination
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Q1. Where are you living
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Q2. What is your current ctc
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Q3. Are you ready to relocate
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Q1. What is the function of fan regulator
Ans. 
Fan regulator is used to control the speed of a fan by adjusting the voltage and current supplied to the fan motor.
• Controls the speed of a fan by regulating the voltage and current

• Helps in adjusting the fan speed according to the user's preference

• Prevents the fan from running at full speed constantly, saving energy and reducing noise levels
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Q2. How many types of motors
Ans. 
There are various types of motors used in different applications.
• Types of motors include DC motors, AC motors, stepper motors, servo motors, etc.

• DC motors are commonly used in household appliances and automotive applications.

• AC motors are used in industrial machinery and HVAC systems.

• Stepper motors are used in robotics and CNC machines for precise control.

• Servo motors are used in automation and robotics for accurate po
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Q3. What are the safety instructions taking in your previous plant
Ans. 
Safety instructions in previous plant included wearing appropriate PPE, following lockout/tagout procedures, and attending regular safety training.
• Wearing appropriate PPE (Personal Protective Equipment) such as safety glasses, gloves, and hard hats

• Following lockout/tagout procedures when working on electrical equipment to prevent accidental startup

• Attending regular safety training sessions to stay updated on safety pro
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Q4. Your roles and responsibilities
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Q1. Describe transformer working principle
Ans. 
Transformers work on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
• Transformers have two coils of wire, known as the primary and secondary coils.

• When an alternating current flows through the primary coil, it creates a changing magnetic field.

• This changing magnetic field induces a voltage in the secondary coil, transferring electrical energy.

• The ratio of the number...read more
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Q2. Describe your project in detail
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Electrical equipments

The employer believe you meet the core job requirements and seem interested in the opportunity

To ensure the condidate is good fit for the job

Q1. 1 exploratory interview 2 skills interview 3 culture interview 4 ceo interview
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Tele/video call interview
Group interview

Practice out loud
Think of your own question
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Q1. What are your salary expectation
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