In 2025, Hindustan Petroleum Corporation Limited (HPCL) announced a notification to recruit 234 junior executives across various engineering disciplines. This article is a complete guide for aspirants, offering detailed insights into the syllabus, test format, and proven study strategies tailored for the HPCL Junior Executive Recruitment 2025.
Whether you’re searching to understand the exam structure or seeking effective preparation tips, this resource is designed to equip you with the knowledge needed to succeed.
Table of Contents
Overview
| Organizer | Hindustan Petroleum Corporation Limited (HPCL) |
| Post Name | Junior Executive (Mechanical, Electrical, Instrumentation, Chemical) |
| Number of Vacancies | 234 |
| Application Period | January 15, 2025 – February 14, 2025 |
| Eligibility | Diploma in Engineering (Relevant Discipline) |
| Age Limit | Maximum 25 years (Relaxations apply) |
| Official Website | Click Here |
Selection Process
- Computer-Based Test (CBT) – Two Sections: General Aptitude and Technical Knowledge
- Group Task/Group Discussion, Skill Test, and Personal Interview
- Pre-Employment Medical Examination
Exam Pattern
1. Computer-Based Test (CBT)
| Subjects | Type of Questions | Maximum Marks |
| General Aptitude (English, Quantitative Aptitude, Logical Reasoning, Data Interpretation) | Multiple Choice Objective Type | 50 |
| Technical/Professional Knowledge (Based on qualifying diploma discipline) | Multiple Choice Objective Type | 50 |
| Total | 100 |
2. Group Task/Group Discussion, Skill Test, and Personal Interview
- Group Task/Discussion
- Skill Test (if applicable)
- Personal Interview
Syllabus for HPCL Junior Executive
General Aptitude (For all Posts)
| Subject | Topics |
| English Language | Grammar, Vocabulary, Reading Comprehension, Synonyms/Antonyms |
| Quantitative Aptitude | Percentage, Ratio, Time & Work, Profit & Loss, SI & CI, Averages |
| Logical Reasoning | Series Completion, Blood Relations, Seating Arrangements, Coding-Decoding |
| Data Interpretation | Pie Charts, Bar Graphs, Line Graphs, Tables |
Technical/Professional Knowledge
For Mechanical Engineering
- Strength of Materials
- Stress and strain
- Bending and shear stress
- Torsion of circular shafts
- Deflection of beams
- Buckling of columns
- Thermodynamics
- Laws of thermodynamics
- Gas power cycles (Otto, Diesel, Brayton)
- Rankine cycle
- Refrigeration and Air Conditioning
- Properties of steam
- Fluid Mechanics
- Fluid properties and classifications
- Fluid dynamics: Bernoulli’s equation
- Flow through pipes
- Boundary layer theory
- Hydraulic turbines and pumps
- Manufacturing Processes
- Casting, Welding, Forming, and Machining
- CNC machining
- Metal cutting and tool materials
- Non-conventional machining
- Industrial safety practices
- Machine Design
- Design of fasteners, shafts, springs
- Bearings and lubrication
- Gears and power transmission
- Fatigue and fracture mechanics
For Electrical Engineering
- Circuit Theory
- Kirchhoff’s laws
- Network theorems
- AC and DC circuits
- Resonance and filters
- Transient and steady-state analysis
- Power Systems
- Generation, Transmission, and Distribution
- Load flow and fault analysis
- Circuit breakers and relays
- Power factor correction
- Renewable energy sources
- Electrical Machines
- Transformers: Principles, Testing, Efficiency
- Induction motors and Synchronous machines
- DC motors and generators
- Special machines: Servo, Stepper, Reluctance
- Control Systems
- Open and Closed loop systems
- Transfer function analysis
- Stability criteria (Nyquist, Bode, Root Locus)
- PID controllers
- Instrumentation
- Sensors and transducers
- Measurement techniques
- Signal conditioning
- Data acquisition systems
For Instrumentation Engineering
- Sensors and Measurements
- Temperature, pressure, level, and flow measurement
- Smart sensors
- Signal conditioning techniques
- Data logging and telemetry
- Industrial Instrumentation
- Control valves and actuators
- Process control loops
- PID controllers
- SCADA and DCS
- Process Control
- Feedback and feedforward control
- Cascade and ratio control
- Tuning of controllers
- PLC and automation
- Microprocessors and Microcontrollers
- Architecture and Programming
- Peripheral interfacing
- Real-time operating systems (RTOS)
- Embedded systems in instrumentation
- Signal Processing
- Fourier analysis
- Filtering and noise reduction
- Digital signal processing (DSP)
- Image and video processing
For Chemical Engineering
- Chemical Process Principles
- Mass and energy balance
- Material balance in reactive and non-reactive systems
- Energy calculations
- Heat & Mass Transfer
- Conduction, convection, and radiation
- Heat exchangers
- Distillation, Absorption, Drying
- Evaporation and Crystallization
- Thermodynamics
- Laws of thermodynamics
- Phase equilibria
- Gibbs free energy and chemical potential
- Fugacity and activity coefficients
- Chemical Reaction Engineering
- Reaction kinetics
- Reactor design (batch, CSTR, PFR)
- Catalysis and heterogeneous reactions
- Process Equipment Design
- Design of heat exchangers
- Distillation columns and reactors
- Pressure vessels and storage tanks
Interview Tips
Important Things to Pay Attention to:
- Communication Skills: Speak confidently and clearly to express your ideas effectively.
- Technical Knowledge: Build a strong foundation in your engineering field—master the basics.
- Problem-Solving Ability: Think on your feet! Deliver practical solutions for both technical issues and situational challenges.
- Current Affairs Awareness: Stay in the loop with the latest industry trends, business news, and global updates.
- Professional Attitude: Be punctual, respectful, and mindful of workplace etiquette to leave a positive impression.
Medical Examination
| General Health | Maintain overall fitness, stay hydrated, and eat balanced meals before the test. |
| Vision Test | Ensure your eyesight meets the required standards; wear prescribed glasses if necessary. |
| Hearing Test | Avoid loud noise exposure before the test to prevent temporary hearing issues. |
| Blood Pressure & Heart Health | Keep blood pressure in check by reducing stress and avoiding caffeine before the exam. |
| BMI & Weight | Maintain a healthy weight as per medical standards to avoid disqualification. |
| Respiratory System | Avoid smoking or exposure to pollutants before the test for optimal lung function. |
| Physical Endurance | Engage in regular physical activity to ensure stamina and endurance levels are adequate. |
| Blood Tests & Sugar Levels | Monitor sugar levels and maintain a healthy diet to prevent abnormalities. |
| Past Medical History | Keep documents of previous medical treatments and conditions for verification. |
| Substance Use | Avoid alcohol, tobacco, and any restricted substances before the test. |
| Psychological Health | Manage stress, get enough sleep, and stay mentally prepared for the evaluation. |
How to Prepare: Strategies and Resources
Recommended Books
| Subject | Book Title | Author |
| General Studies | General Knowledge 2025 | Arihant Experts |
| Logical Reasoning | A Modern Approach to Logical Reasoning | R.S. Aggarwal |
| Technical Subjects | Relevant Engineering Guide | R. Agor (Mechanical), J.B. Gupta (Electrical) |
| General English | High School English Grammar | Wren & Martin |
Common Mistakes to Avoid
One of the biggest mistakes candidates make is neglecting technical subjects. While aptitude and general knowledge are important, it’s crucial to prioritize core subjects related to your field, as they carry significant weight in most exams.
Another common error is ignoring current affairs. Staying updated with daily news, especially related to banking, finance, and the economy, can give you an edge. Reading newspapers and online updates regularly can help you stay informed.
Lastly, many candidates overlook interview preparation. No matter how well you perform in the written exam, a lack of confidence or preparation in the interview round can cost you the opportunity. Practicing mock interviews and improving communication skills can make a big difference in your final selection.
Important Links
| Official Website | Click Here |
| Recruitment Notification | Download Here |
FAQs
What is the eligibility for HPCL Junior Executive 2025?
A 3-year full-time Diploma in the relevant Engineering discipline is required.
What is the exam pattern for HPCL Junior Executive?
The exam consists of a Computer-Based Test (General Aptitude + Technical), followed by a Group Task/Discussion, a Skill Test, and an Interview.
Is there any negative marking in the written exam?
No, there is no negative marking.
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