Jindal Saw Graduate Engineer Trainee (Get) Interview Questions and Answers

A transformer diagram can be drawn from both primary and secondary ends.

• Draw two parallel lines representing the core of the transformer

• Draw two coils around the core, one for primary and one for secondary

• Connect the coils with a dotted line to represent the magnetic field

• Label the primary and secondary coils and indicate the direction of current flow

• Include any additional components such as taps or shields

Crona is not a known term in the context of substations. Please provide more information.

• Crona is not a known term in the context of substations

• It is important to use correct terminology when discussing technical topics

• Preventing issues in substations involves proper maintenance and monitoring

• Examples of issues that can occur in substations include equipment failure and power outages

The efficiency of a power plant is the ratio of output power to input power.

• Efficiency is affected by factors such as fuel type, technology used, and maintenance.

• Higher efficiency means less fuel is needed to produce the same amount of power.

• Efficiency can be improved through upgrades and modifications to the plant.

• Efficiency can be calculated using the formula: Efficiency = (Output Power / Input Power) x 100%

• For examp...read more

Efficiency of transformer is the ratio of output power to input power.

• Efficiency is an important parameter for transformers.

• It is calculated as the ratio of output power to input power.

• Efficiency is always less than 100% due to losses in the transformer.

• Transformers with higher efficiency are preferred as they waste less energy.

• Efficiency can be improved by using better materials and design.

• For example, a transformer w...read more

Different types of transmission wires are used in transmission made of different metals for their specific properties.

• Copper wires are commonly used for their high conductivity.

• Aluminum wires are used for long-distance transmission due to their lightweight.

• Steel-cored aluminum wires are used for their strength and conductivity.

• Aerial bundled cables are used for their insulation properties.

• Different metals are used base...read more

The height of a tower carrying 132kv depends on various factors such as terrain, weather, and distance between towers.

• The height of the tower is determined by the voltage it carries and the distance between towers.

• The terrain and weather conditions also play a role in determining the height of the tower.

• The height of the tower can range from 15 meters to over 50 meters depending on the above factors.

• For example, in hil...read more

CT and PT can be differentiated visually in substation by their size, shape, and labeling.

• CTs are typically larger and cylindrical in shape, while PTs are smaller and more rectangular.

• CTs are often labeled with a ratio, such as 100:5, while PTs are labeled with a voltage rating.

• CTs are usually located on the high voltage side of the substation, while PTs are on the low voltage side.

• CTs are used to measure current, whil

Single phase induction motor works on the principle of electromagnetic induction.

• It has a stator and a rotor.

• The stator has a single phase winding which produces a magnetic field.

• The rotor is either squirrel cage or wound type.

• When AC supply is given to the stator winding, it produces a magnetic field which induces a current in the rotor.

• This current produces a magnetic field in the rotor which interacts with the stato...read more

Yes, I organized a technical fest in college as the head coordinator.

• Planned and executed the entire event with a team of 20 members

• Managed a budget of INR 5 lakhs and ensured timely payments to vendors

• Coordinated with sponsors and invited industry experts as guest speakers

• Handled logistics, marketing, and publicity of the event

• Received positive feedback from participants and faculty members

ISTE is a national professional society for educators and students in engineering and technology fields.

• ISTE stands for Indian Society for Technical Education

• It is a non-profit organization that aims to improve technical education in India

• As the chairman of Durgapur Chapter, I organized various workshops and seminars for students and faculty members

• I also encouraged students to participate in technical competitions and...read more

I would approach the workman and explain the importance of safety rules and PPE, and offer assistance if needed.

• Approach the workman in a calm and respectful manner

• Explain the safety rules and the importance of following them

• Demonstrate the proper use of PPE and offer assistance if needed

• Provide incentives for compliance, such as rewards or recognition

• Document any incidents or non-compliance for future reference

No, I am open to working in remote locations in India.

• I am willing to explore new places and cultures.

• I understand that remote locations may offer unique challenges, but I am up for the task.

• I am excited about the opportunity to contribute to the company's growth and success, regardless of the location.

• I am adaptable and can adjust to new environments quickly.

• I believe that working in a remote location will provide me ...read more

I am a recent engineering graduate with a passion for problem-solving and innovation.

• Graduated with a degree in engineering

• Passionate about problem-solving and innovation

• Experience in internships and projects

• Strong communication and teamwork skills

In five years, I see myself as a skilled engineer leading projects and making a positive impact in the industry.

• Leading engineering projects and teams

• Continuing to learn and grow professionally

• Contributing to the success and growth of the company

• Possibly pursuing further education or certifications

• Building a strong network within the industry

I come from a supportive family. My interests lie in power plant engineering. I have knowledge of condensers, turbine blade failures, FEA courses, hazards in power plants, and safety valves in boilers.

• Family - Supportive and encouraging

• Interests - Power plant engineering

• Knowledge - Condensers, turbine blade failures, FEA courses, hazards in power plants, safety valves in boilers

• Examples - Condenser sketch, turbine blad...read more

Various types of sensors used in industries include temperature sensors, pressure sensors, level sensors, etc.

• Temperature sensors: thermocouples, resistance temperature detectors (RTDs), thermistors

• Pressure sensors: piezoresistive sensors, capacitive sensors, strain gauge sensors

• Level sensors: ultrasonic sensors, capacitive sensors, float sensors

• Flow sensors: electromagnetic flow meters, ultrasonic flow meters, thermal...read more

Instrumentation is the science of measuring and controlling physical variables such as temperature, pressure, flow, and level.

• Instrumentation involves the use of sensors, transmitters, and controllers to measure and control physical variables.

• Examples of instrumentation include temperature sensors in a furnace, pressure transmitters in a pipeline, flow meters in a chemical plant, and level sensors in a tank.

• Instrumenta...read more

Temperature and level measuring instruments operate on principles such as thermal expansion, pressure, and capacitance.

• Thermocouples measure temperature based on the voltage produced by two dissimilar metals when heated

• RTDs (Resistance Temperature Detectors) measure temperature based on the change in resistance of a metal wire with temperature

• Level sensors use principles such as buoyancy, pressure, and capacitance to m...read more

Different types of pumps and their differences.

• Centrifugal pumps: used for low viscosity fluids, high flow rates, low pressure

• Positive displacement pumps: used for high viscosity fluids, low flow rates, high pressure

• Axial flow pumps: used for high flow rates, low pressure, low viscosity fluids

• Mixed flow pumps: used for medium flow rates and pressures

• Jet pumps: used for pumping fluids with high solids content

• Differences...read more

Boilers are vessels that heat water or other fluids to generate steam or hot water for various applications.

• Fire-tube boilers: hot gases pass through tubes immersed in water

• Water-tube boilers: water flows through tubes and hot gases surround them

• Electric boilers: use electricity to generate heat instead of burning fuel

• Condensing boilers: extract additional heat from the exhaust gases to increase efficiency

• Package boile...read more

Pumps move liquids, compressors move gases.

• Pumps are used to move liquids from one place to another, while compressors are used to increase the pressure of gases.

• Pumps are typically used in industries such as water treatment, oil and gas, and chemical processing, while compressors are used in industries such as refrigeration, air conditioning, and power generation.

• Examples of pumps include centrifugal pumps, positive d...read more

Refrigeration cycles are thermodynamic cycles used in refrigeration systems to transfer heat from a low-temperature region to a high-temperature region.

• Refrigeration cycles involve four main components: compressor, condenser, expansion valve, and evaporator.

• The cycle starts with the compressor, which increases the pressure and temperature of the refrigerant gas.

• The high-pressure gas then flows into the condenser, where...read more

Creep is the gradual deformation of a material under constant stress. Failure is the inability of a material to perform its intended function. Fracture is the separation of a material into two or more pieces due to stress.

• Creep occurs over time and can lead to permanent deformation.

• Failure can occur due to various reasons such as overloading, fatigue, corrosion, etc.

• Fracture can be ductile or brittle depending on the m...read more

Hardness is resistance to indentation while toughness is resistance to fracture.

• Hardness is a measure of how easily a material can be scratched or dented.

• Toughness is a measure of how much energy a material can absorb before fracturing.

• Hardness is often measured using the Mohs scale, while toughness is measured using impact tests.

• For example, diamond is very hard but not very tough, while rubber is not very hard but ve

I am a recent graduate with a degree in engineering, eager to learn and grow in a professional setting.

• Recent graduate with a degree in engineering

• Passionate about learning and growing in a professional setting

• Strong problem-solving and analytical skills

• Experience with relevant software/tools (mention specific ones if applicable)

• Team player with excellent communication skills

My hobbies include playing musical instruments, hiking, and reading science fiction novels.

• Playing musical instruments (guitar, piano)

• Hiking in nature trails

• Reading science fiction novels (Asimov, Clarke)

I am open to any location that offers growth opportunities and a supportive work environment.

• I am willing to relocate for the right opportunity

• I prioritize career growth and learning opportunities over location

• I am flexible and adaptable to new environments

Developed a machine learning model to predict customer churn for a telecom company.

• Collected and cleaned customer data from various sources.

• Performed exploratory data analysis to identify key factors influencing customer churn.

• Built and trained a predictive model using Python and scikit-learn.

• Evaluated the model's performance using metrics like accuracy, precision, and recall.

• Presented findings and recommendations to t

Designed and implemented a smart irrigation system using IoT technology.

• Researched various sensors and microcontrollers for data collection and control.

• Developed a mobile application for remote monitoring and control of the irrigation system.

• Implemented machine learning algorithms to optimize water usage based on weather forecasts.

• Conducted field tests to validate the system's performance and efficiency.