Coca-Cola Company Electrical Engineer Interview Questions and Answers

Q1. What was your previous company's salary?
Add your answer

Q1. What is the main safety in circuit breakers in ht and lt line
Ans. 
The main safety in circuit breakers in HT and LT line is to protect the electrical equipment from overloading and short circuits.
• Circuit breakers are designed to trip and disconnect the power supply when there is an overload or short circuit in the electrical system.

• In HT line, circuit breakers are equipped with high voltage insulation to prevent electrical arcing and ensure safety.

• In LT line, circuit breakers are desi...read more
Answered by AI
Add your answer

Q1. Can you draw a single line diagram of s/ d starter?
Ans. 
Yes, I can draw a single line diagram of s/d starter.
• A single line diagram shows the electrical connections and components in a simplified manner.

• For an s/d starter, the diagram would include the power supply, motor, overload relay, and contactor.

• The diagram would also show the control circuit components such as push buttons and switches.

• The diagram should follow standard symbols and conventions for electrical diagrams...read more
Answered by AI
Add your answer

Q1. Star delta stater diagram, transformer safety and predictive,preventive maintenance difference
Ans. 
Star delta starter diagram is used for motor starting, transformer safety involves protection measures, and predictive maintenance is proactive while preventive maintenance is scheduled.
• Star delta starter diagram is used for reducing starting current in motors.

• Transformer safety involves measures like overcurrent protection, earth fault protection, and temperature monitoring.

• Predictive maintenance involves using data a...read more
Answered by AI
Add your answer

Electrical knowledge

Q1. Drawing of Star delta starter
Ans. 
A star delta starter is a type of reduced voltage starter used for starting three-phase induction motors.
• Consists of a star contactor and a delta contactor

• Initially motor is started in star configuration to reduce starting current

• After a set time, switches to delta configuration for full speed operation
Answered by AI
Add your answer
Q2. Contactor interlocking with motors
Ans. 
Contactor interlocking is a safety feature to prevent simultaneous operation of multiple motors.
• Contactor interlocking ensures only one motor can run at a time to prevent overload.

• It is achieved by using electrical interlocks between contactors of different motors.

• For example, if Motor A is running, the contactor for Motor B will be prevented from closing.

• This prevents both motors from running simultaneously and causin
Answered by AI
Add your answer
Q3. Technical skills
Add your answer
Q4. Behavior and punchuality
Add your answer
Q5. Wiring in panels
Ans. 
Wiring in panels involves connecting electrical components using proper techniques and materials.
• Ensure proper wire sizing and insulation for the current being carried

• Follow wiring diagrams and manufacturer instructions for correct connections

• Use wire labels and organize cables neatly for easy troubleshooting

• Check for loose connections and secure all wires properly

• Test the panel for functionality and safety before clos
Answered by AI
Add your answer