10+ Interview Questions and Answers

Erection of transformer involves several steps including site preparation, foundation construction, assembly of transformer components, and testing.

• Site preparation involves clearing the area and ensuring proper drainage

• Foundation construction involves excavation, pouring concrete, and curing

• Assembly of transformer components includes positioning the core, winding the coils, and connecting the bushings

• Testing involves checking the insulation resistance, oil level, and other p...read more

The phase to phase clearance in a 33kV line is typically around 1 meter.

• Phase to phase clearance in a 33kV line is usually around 1 meter to ensure safety and prevent electrical arcing.

• The clearance distance may vary based on specific regulations and standards in different regions.

• Proper clearance is important to prevent short circuits and ensure reliable power transmission.

• Clearance distances are determined based on factors such as voltage level, environmental conditions, an...read more

The phase to phase clearance in an 11kV line is typically around 1 meter.

• Phase to phase clearance in 11kV line is usually around 1 meter to ensure safety and prevent electrical arcing.

• The clearance distance may vary based on specific regulations and standards in different regions.

• Proper clearance is essential to prevent short circuits and ensure the safety of personnel working near the line.

LV and HV panel erection involves proper planning, installation, and testing.

• Plan the layout and location of the panels

• Install the panels according to manufacturer's instructions

• Ensure proper grounding and wiring

• Test the panels for functionality and safety

• Follow all safety protocols and regulations

• Examples: Schneider Electric LV Panel, ABB HV Panel

Earthing method involves connecting electrical equipment to the earth to prevent electric shock and damage to equipment.

• Earthing can be done through a rod, plate, or strip depending on the soil resistivity

• Tray types include ladder, perforated, solid-bottom, and wire mesh

• Testing of equipment involves checking insulation resistance, continuity, and polarity

• Panel testing includes checking for loose connections, proper labeling, and correct breaker sizing

I design, develop, and test electrical systems for various applications.

• Designing electrical systems for buildings or machinery

• Developing new electrical components or products

• Testing electrical systems for safety and efficiency

• Troubleshooting and repairing electrical issues

• Collaborating with other engineers and technicians

Yes, I have experience in cable laying.

• I have experience in laying power and communication cables

• I am familiar with cable routing and cable tray installation

• I have worked on projects involving underground cable laying

• I am knowledgeable in cable termination and splicing techniques

Cabling process involves planning, routing, pulling, terminating and testing of cables.

• Plan the cable routing based on the requirements and specifications

• Pull the cables through the conduits or trays

• Terminate the cables at both ends using connectors or terminals

• Test the cables for continuity, insulation resistance and other parameters

• Label the cables for easy identification and maintenance

• Ensure compliance with safety regulations and standards

The kiln process involves heating materials to high temperatures in a controlled environment to achieve specific physical or chemical changes.

• Materials are loaded into the kiln, such as ceramics, cement, or metals.

• The kiln is heated to the desired temperature using burners or electric elements.

• The materials undergo physical and chemical changes, such as drying, sintering, or calcination.

• The kiln is cooled down gradually to prevent thermal shock to the materials.

• The processed ...read more

Work at height refers to any work that is performed above ground level where a person could fall and injure themselves.

• Work at height includes tasks such as working on roofs, scaffolding, ladders, or elevated platforms.

• Employers must assess the risks and implement safety measures to prevent falls, such as providing fall protection equipment.

• Workers should be trained on how to work safely at height and use appropriate safety equipment.

• Regular inspections of equipment and work ...read more

Yes, I am able to handle multiple tasks efficiently and prioritize effectively.

• I have experience juggling multiple projects simultaneously

• I am skilled at time management and can prioritize tasks based on deadlines and importance

• I am able to adapt quickly to changing priorities and work well under pressure

There are several types of scaffolds used in construction.

• Supported scaffold

• Suspended scaffold

• Rolling scaffold

• Aerial lift scaffold

• Mobile scaffold

• Cantilever scaffold

• Single pole scaffold

• Double pole scaffold

• Trestle scaffold

• Patented scaffold

ELCB stands for Earth Leakage Circuit Breaker. It is a safety device used to prevent electric shock and fire hazards.

• ELCB detects earth faults and disconnects the power supply to prevent electric shock.

• It works by measuring the imbalance of current between the live and neutral wires.

• There are two types of ELCBs - voltage-operated ELCB and current-operated ELCB.

• ELCBs are commonly used in residential and commercial buildings to ensure electrical safety.

NDT clearance process involves inspection and testing of materials and equipment to ensure compliance with standards.

• NDT methods include visual inspection, radiography, ultrasonic testing, magnetic particle testing, and dye penetrant testing.

• Inspection and testing is carried out by certified NDT personnel.

• Clearance is given based on the results of the inspection and testing.

• Documentation of the NDT clearance process is important for quality control and assurance.

OSHA 29CFR 1926, Sub Part -L outlines the requirements for scaffolding in construction work.

• Subpart L covers all aspects of scaffolding, including design, construction, and use.

• It requires that scaffolds be able to support their own weight and at least four times the maximum intended load.

• It also mandates that scaffolds be inspected by a competent person before each use.

• Training is required for all employees who work on or around scaffolds.

• Examples of scaffolds include suspen...read more