Aluminium Bahrain Interview Questions and Answers

Q1. Transformer of project and testing commissioning
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Q2. GIS project and gas fulling
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Q3. HT and LT troubleshooting
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Q1. FGD Erection and testing commissioning & maintenance
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Q2. DM plant ,H2 plant,EC plant, ETP plant , STP plant , fire fitting plant,rain water pump house, sea water pump house, sea water intake pump house project and testing commissioning & maintenance
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Q1. How to working principle of transformer
Ans. 
Transformer works on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
• Transformers have two coils of wire, known as 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 turns in the p...read more
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Q2. How to make on transformer Erection
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Transformer erection involves proper planning, preparation, and execution to ensure safe and efficient installation.
• Ensure proper site preparation and foundation for the transformer

• Coordinate with crane operators for lifting and placing the transformer

• Connect electrical cables and perform insulation testing

• Verify proper grounding and connections for safety

• Commission the transformer and conduct performance tests
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Q3. How to working HT< motor and breaker
Ans. 
HT&LT motors and breakers are operated and maintained differently due to their voltage levels.
• HT motors are high voltage motors typically above 1000V, while LT motors are low voltage motors below 1000V.

• HT motors require specialized equipment and training for operation and maintenance.

• Breakers for HT motors are designed to handle high voltages and currents, while LT breakers are for lower voltages.

• Regular maintenanc...read more
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Q4. How to erected on GIS
Ans. 
Erection on GIS involves careful planning, coordination, and adherence to safety protocols.
• Ensure all necessary equipment and materials are available

• Coordinate with other teams involved in the erection process

• Follow manufacturer's guidelines and specifications

• Conduct regular safety inspections and briefings

• Test the GIS system after erection to ensure proper functioning
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Q5. Panel and Earth
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Q6.  How to panel Erection
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Panel erection involves assembling and installing electrical panels in a systematic manner.
• Plan the layout and positioning of the panels according to electrical drawings

• Ensure all necessary components are available before starting the erection process

• Follow safety protocols and use appropriate tools for installation

• Connect the panels to the power source and test for functionality

• Label the panels for easy identification
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Q7. How to Erection GIS and overhead line
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Erection of GIS and overhead line involves careful planning, coordination, and execution to ensure safety and efficiency.
• Ensure proper site preparation and foundation for GIS equipment installation

• Coordinate with design team for accurate placement of GIS components

• Follow manufacturer's guidelines for assembly and installation of GIS equipment

• Inspect and test GIS components for proper functioning before energizing

• For ov...read more
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Management leval in company roles and regulations

Q1. Technically for tha production in material
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Q1. Transformer service and testing
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Q2. Transformer oil sampling
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Q3. Transformer oil gas testing and ptv
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Q4. Oil filteration
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