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I applied via Naukri.com and was interviewed in Nov 2019. There were 3 interview rounds.
RS 485 is a multi-point communication standard while RS 232 is a point-to-point communication standard.
RS 485 supports up to 32 devices on a single bus while RS 232 only supports two devices.
RS 485 uses differential signaling for noise immunity while RS 232 uses single-ended signaling.
RS 485 can transmit data over longer distances than RS 232.
RS 485 is commonly used in industrial automation and control systems while RS
Protocol is a set of rules and guidelines that govern the communication between devices or systems.
Protocols ensure that devices or systems can communicate with each other effectively and efficiently.
They define the format, timing, sequencing, and error checking of messages exchanged between devices or systems.
Examples of protocols include TCP/IP, HTTP, FTP, and SMTP.
Protocols can be implemented in hardware, software, ...
PLC stands for Programmable Logic Controller. It is a digital computer used for automation of electromechanical processes.
PLC is used in industrial automation to control machinery and processes.
It is programmed using ladder logic or other programming languages.
PLC can be used in various applications such as manufacturing, transportation, and energy.
Examples of PLC brands include Siemens, Allen-Bradley, and Mitsubishi.
P...
There are several types of PLCs, including modular, compact, rack-mounted, and software-based PLCs.
Modular PLCs are designed to be expandable and customizable.
Compact PLCs are smaller and more cost-effective than modular PLCs.
Rack-mounted PLCs are designed to be mounted in a standard equipment rack.
Software-based PLCs run on a computer and use specialized software to emulate a physical PLC.
Other types of PLCs include s...
I appeared for an interview in Feb 2025, where I was asked the following questions.
Both hard work and smart work are valuable , but a combination of both is crucial for achieving optimal results and success
I have reached a point of in my carrier where I am seeking new challenges and opportunities for growth
I am doing the work and field sales executive and to you post the appointment this jobs
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
Bharat Petroleum interview questions for popular designations
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
Get interview-ready with Top Bharat Petroleum Interview Questions
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.
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...
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