Larsen & Toubro Limited Electrical Shift Engineer Interview Questions and Answers for Experienced

The major parts in a power transformer include the core, windings, insulation, cooling system, and tap changer.

• Core: Provides a path for magnetic flux and is usually made of laminated steel sheets.

• Windings: Consist of primary and secondary coils that transfer electrical energy.

• Insulation: Prevents electrical leakage and ensures safety.

• Cooling System: Keeps the transformer within operating temperature limits, commonly u...read more

I want to switch electrical circuits and devices.

• Switching electrical circuits to control the flow of electricity.

• Switching electrical devices on or off.

• Switching between different power sources.

• Switching between different modes or settings of electrical equipment.

• Switching between different electrical connections or configurations.

SAP procedure for UPS vendor is a process for managing vendor data in the SAP system.

• The SAP procedure for UPS vendor involves creating and maintaining vendor master data in the system.

• It includes defining vendor attributes such as payment terms, delivery schedules, and contact information.

• The procedure also involves creating purchase orders and managing invoices from the vendor.

• Examples of UPS vendors include APC, Eat

The maintenance procedure of DG involves regular checks and servicing to ensure optimal performance.

• Regularly check oil and coolant levels

• Inspect air filters and replace if necessary

• Clean and inspect spark plugs

• Check battery and charging system

• Perform load bank testing

• Schedule routine maintenance with a qualified technician

• Keep a maintenance log for record keeping

ATS scheme stands for Automatic Transfer Switch scheme used in power systems.

• ATS scheme is used to transfer power supply from one source to another in case of power failure.

• It is commonly used in backup power systems to ensure uninterrupted power supply.

• ATS scheme can be implemented using mechanical or electronic switches.

• It is important to ensure proper coordination between the ATS and protective devices to avoid any ...read more

Address the issue calmly and professionally, listen to their perspective and try to find a solution together.

• Remain calm and avoid getting defensive

• Listen to their perspective and try to understand their point of view

• Communicate clearly and respectfully

• Try to find a solution together

• If necessary, involve a mediator or supervisor

Transformer PM involves regular maintenance and inspection to ensure optimal performance.

• Perform regular visual inspections to check for signs of wear and tear

• Test insulation resistance to ensure it meets standards

• Check oil levels and perform oil analysis to detect any contaminants

• Inspect and tighten connections

• Perform load and temperature tests

• Schedule maintenance based on manufacturer recommendations

• Examples of maint...read more

Transformers are protected by various methods to prevent damage from faults and overloads.

• Overcurrent protection using fuses or circuit breakers

• Thermal protection using temperature sensors and alarms

• Buchholz relay protection for detecting internal faults

• Differential protection for detecting external faults

• Ground fault protection using ground fault relays

• Lightning arrestors for protection against lightning strikes

• Oil le...read more

The HR department in MEIL plays a crucial role in managing employee relations, recruitment, training, and ensuring compliance with labor laws.

• Recruitment and selection of qualified electrical engineers

• Managing employee relations and resolving conflicts

• Providing training and development opportunities to enhance skills

• Ensuring compliance with labor laws and regulations

• Administering employee benefits and compensation

• Maint...read more

Accommodation and flexibility are important criteria for an electrical engineer.

• Accommodation refers to the ability to adapt to changing circumstances and requirements.

• Flexibility refers to the ability to work with different technologies and systems.

• An electrical engineer must be able to accommodate changes in project scope, timelines, and budgets.

• They must also be flexible in their approach to problem-solving and will...read more

The main role of the HR department is to manage and support the organization's human resources.

• Recruitment and hiring of employees

• Employee onboarding and orientation

• Training and development programs

• Performance management and evaluations

• Employee relations and conflict resolution

• Compensation and benefits administration

• Policy development and implementation

• Employee engagement and morale

• Compliance with labor laws and regula

Basics of electrical include understanding circuits, components, and power sources. Foundations of production and maintenance work involve safety, planning, and troubleshooting.

• Basics of electrical include understanding circuits, components, and power sources

• Foundations of production work involve safety, planning, and quality control

• Foundations of maintenance work involve safety, planning, and troubleshooting

• Examples o...read more