HRRL 2026 Recruitment: Exam Pattern and Syllabus for Assistant Officer, Engineer, and Other Posts

Overview of HRRL Recruitment 2026 Exam Pattern

HPCL Rajasthan Refinery Limited (HRRL) has released the structured syllabus and examination framework for the Computer Based Test (CBT) under advertisement number HRRL/RECT/01/2026. The examination is common for various technical and non-technical roles, including Assistant Officer (Information Systems), Engineers (Electrical, Mechanical, Instrumentation, Chemical), and Accounting positions.

The CBT is conducted for a duration of 2 hours, comprising 100 objective-type questions. Each correct answer carries one mark, and there is no negative marking for incorrect responses.

Exam Structure

General Aptitude Syllabus (Common for All Posts)

The General Aptitude section evaluates cognitive and analytical skills. It is divided into the following domains:

• Intellectual Potential Test: Focuses on logical operations, fluid reasoning, perceptual reasoning, and processing speed.
• Logical Reasoning & Data Interpretation: Covers puzzles, seating arrangements, coding-decoding, series, and graphical data analysis (tables, bar graphs, pie charts).
• Quantitative Aptitude: Includes number systems, percentages, ratios, time and work, interest, mensuration, and basic algebraic identities.
• English Language: Tests grammar proficiency, reading comprehension, vocabulary (synonyms/antonyms), and structural integrity (para-jumbles).

Technical Syllabus Summary

The technical section accounts for 70% of the total marks. Candidates are assessed on core domain knowledge relative to their professional discipline:

• Information Systems: Focuses on computer organization, algorithms, database management (SQL/ER-models), networking, and operating systems.
• Electrical Engineering: Covers circuit analysis, electromagnetic fields, electrical machines, power systems, and power electronics.
• Instrumentation Engineering: Includes process control systems, industrial automation (PLC/SCADA), transducers, and IIoT.
• Mechanical Engineering: Tests machine design, thermodynamics, fluid mechanics, manufacturing processes, and robotics.
• Chemical Engineering: Covers mass/heat transfer, reaction engineering, thermodynamics, and refinery-specific processes.
• Accountancy: Curricula aligns with CA Foundation/Inter/Final standards, covering taxation (GST/Income Tax), auditing, and financial management.

Frequently Asked Questions

Is there a penalty for wrong answers in the HRRL CBT?

No, there is no negative marking for incorrect answers in the HRRL recruitment examination.

Are the technical topics the same for all engineering posts?

No, the 70-mark technical section is discipline-specific. Candidates should refer to the syllabus corresponding to their specific engineering post (e.g., Mechanical, Electrical, Chemical, or Instrumentation).

What is the difficulty level of the General Aptitude section?

The General Aptitude section is designed at a graduate level for officer-level posts and HSC level for Junior Executive-level positions.