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I was interviewed in Jan 2017.
The different components of a power system include generators, transformers, transmission lines, distribution lines, and loads.
Generators convert mechanical energy into electrical energy.
Transformers are used to step up or step down voltage levels.
Transmission lines carry high voltage electricity over long distances.
Distribution lines deliver electricity to consumers.
Loads are the devices that consume electrical energy
Different types of circuit breakers and their applications
Thermal circuit breakers: used for protecting against overcurrents in household appliances
Magnetic circuit breakers: used for protecting against short circuits and overloads in industrial applications
Ground fault circuit interrupters (GFCIs): used for protecting against electric shocks in wet locations like bathrooms and kitchens
Arc fault circuit interrupters (A...
PID controller is a feedback control algorithm used in systems to maintain a desired setpoint by continuously adjusting the control output.
PID stands for Proportional-Integral-Derivative.
It is widely used in industries for controlling various processes.
Proportional term adjusts the control output based on the error between setpoint and actual value.
Integral term eliminates steady-state errors by integrating the error o...
The latest trends in electrical include renewable energy, smart grids, and electric vehicles.
Renewable energy sources such as solar and wind power are becoming more popular and affordable.
Smart grids are being implemented to improve energy efficiency and reliability.
Electric vehicles are gaining traction as a sustainable transportation option.
Energy storage technologies like batteries are advancing to support renewable...
I chose BPCL because of its strong reputation, diverse career opportunities, and commitment to sustainability.
BPCL has a strong reputation in the industry for its high-quality products and services.
The company offers diverse career opportunities across various functions and locations.
BPCL is committed to sustainability and has implemented several initiatives to reduce its environmental impact.
The company provides excel...
I applied via Campus Placement and was interviewed in Oct 2024. There was 1 interview round.
The motor used in fans is typically an induction motor.
Induction motors are commonly used in fans due to their simplicity, reliability, and cost-effectiveness.
These motors work on the principle of electromagnetic induction to generate rotational motion.
Examples of induction motors used in fans include single-phase and three-phase motors.
Fan motors are usually designed to be energy-efficient and have varying speeds for
A fuse is a safety device that protects electrical circuits from overcurrent. The type of pins used depend on the specific fuse design.
A fuse is a thin wire or strip of metal that melts when excessive current flows through it, breaking the circuit and preventing damage.
There are different types of fuses such as cartridge fuses, blade fuses, and glass-tube fuses, each with their own unique pin configurations.
Cartridge f...
I applied via Campus Placement and was interviewed in Oct 2024. There was 1 interview round.
The motor used in fans is typically an induction motor.
Induction motors are commonly used in fans due to their simplicity and reliability.
The most common type of induction motor used in fans is the single-phase induction motor.
Some high-end fans may use brushless DC (BLDC) motors for energy efficiency and quiet operation.
A fuse is a safety device that protects electrical circuits from overcurrent. Types of pins in a fuse include blade, cartridge, and glass.
Blade fuses have flat blades that fit into slots in the fuse block
Cartridge fuses are cylindrical in shape and have metal end caps
Glass fuses have a glass tube with metal caps on both ends
I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.
I am a dedicated Mechanical Engineer with a passion for problem-solving and innovation.
Graduated with a degree in Mechanical Engineering from XYZ University
Experienced in designing and testing mechanical systems
Proficient in CAD software such as SolidWorks and AutoCAD
Strong analytical skills and attention to detail
Worked on projects like designing a new cooling system for a car engine
My favorite subject is Thermodynamics because I enjoy studying the transfer of energy and heat.
I find the laws of thermodynamics fascinating
I enjoy analyzing heat transfer processes
I like studying the relationship between energy and work
Designed and implemented a new cooling system for a high-performance engine, increasing efficiency by 15%.
Led a team of engineers to analyze current cooling system performance
Designed a new cooling system using advanced simulation software
Implemented the new system on a prototype engine and conducted performance tests
Achieved a 15% increase in efficiency compared to the previous system
Yes, I have been involved in decision making during various tasks.
I have made decisions regarding design changes in projects to improve efficiency.
I have been part of a team that had to decide on the best approach to solve a technical problem.
I have made decisions on prioritizing tasks to meet project deadlines.
I have been involved in selecting the most suitable materials for a project based on cost and performance req
Bharat Petroleum interview questions for popular designations
I applied via Recruitment Consulltant and was interviewed in Dec 2024. There were 2 interview rounds.
Asked us how can we improve BPCL customer experience via tech.
Get interview-ready with Top Bharat Petroleum Interview Questions
I applied via Job Portal
I applied via Company Website and was interviewed in May 2024. There was 1 interview round.
Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it, and inversely proportional to the resistance of the conductor.
Ohm's law is expressed as V = I * R, where V is the voltage, I is the current, and R is the resistance.
It helps in calculating the current, voltage, or resistance in a circuit when the other two values are known.
For example, if a circuit has a vol...
An internal combustion engine (IC engine) is a type of engine that generates power by burning fuel inside the engine itself.
IC engines are commonly used in vehicles such as cars, motorcycles, and trucks.
They work by igniting fuel-air mixture inside a combustion chamber to create controlled explosions.
The energy from these explosions is converted into mechanical energy to drive the vehicle.
There are different types of I...
Hydrotreating and hydrocracking are two refining processes used to improve the quality of petroleum products.
Hydrotreating involves the use of hydrogen and a catalyst to remove impurities such as sulfur, nitrogen, and metals from crude oil or other feedstocks.
Hydrotreating helps to produce cleaner fuels with lower sulfur content, which is important for meeting environmental regulations.
Hydrocracking is a more severe pr...
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