CSIR NPL Technical Assistant Exam Preparation 2026 – The CSIR NPL Technical Assistant Exam 2026 is a competitive central government technical examination conducted to recruit skilled diploma and science graduates for laboratory and technical support roles. The exam primarily evaluates core subject knowledge, practical understanding, and applied concepts rather than theoretical depth.
Candidates preparing for this exam must focus on:
- Strong fundamentals of their discipline
- Application-based numerical and technical problems
- Practical and laboratory-oriented concepts
Unlike banking or clerical exams, this exam demands technical accuracy over speed, making preparation strategy extremely important.
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Table of Contents
Important Recruitment Overview
| Particulars | Details |
|---|---|
| Exam Name | CSIR NPL Technical Assistant Exam 2026 |
| Conducting Body | CSIR – National Physical Laboratory |
| Post Name | Technical Assistant |
| Total Vacancies | 18 |
| Application Mode | Online |
| Selection Process | Written Exam / Trade Test |
| Job Location | New Delhi |
| Exam Level | Diploma / Graduation Level |
| Official Website | nplindia.in |
Selection Process : CSIR NPL Technical Assistant Exam Preparation 2026
Selection Process – Step-by-Step
The selection process for CSIR NPL Technical Assistant consists of the following stages:
Stage 1: Application Screening
- Applications are screened based on eligibility, qualification, and experience
- Only eligible candidates are shortlisted
Stage 2: Written Examination / Trade Test
- Discipline-specific technical questions
- Focus on practical and applied knowledge
- Objective or trade-based nature
Stage 3: Document Verification
- Original certificates verified
- Final merit prepared as per CSIR rules
Selection Process Summary Table
| Stage | Description |
|---|---|
| Screening | Eligibility-based |
| Written Exam / Trade Test | Technical assessment |
| Document Verification | Final selection |
Exam Pattern : CSIR NPL Technical Assistant Exam Preparation 2026
The CSIR NPL Technical Assistant Exam 2026 is conducted to test a candidate’s technical knowledge, practical understanding, and suitability for laboratory work. The examination pattern is designed to focus more on core subject concepts rather than general aptitude.
The selection process may include a Written Examination or Trade Test, depending on the post and number of eligible candidates. The detailed structure is explained below in simple words.
Mode of Examination
- The exam will be conducted in objective or trade-based format
- Questions will be related to the core technical discipline of the post applied
- The exam may be conducted in offline or online mode, as notified by CSIR-NPL
Nature of Questions
- Questions will be discipline-specific
- Based on diploma / B.Sc. level syllabus
- Emphasis on practical application, laboratory work, and real-life usage
- Numerical and concept-based questions expected
Difficulty Level
- Overall level: Moderate to Difficult
- Suitable for candidates with strong fundamentals
- Candidates with practical exposure have an advantage
Expected Exam Pattern Table
| Particulars | Details |
|---|---|
| Exam Type | Written Examination / Trade Test |
| Question Type | Objective / Practical-based |
| Medium of Exam | English |
| Syllabus Level | Diploma / Graduation |
| Focus Area | Core Technical Subjects |
| Negative Marking | As per official notification |
| Qualifying Nature | Yes |
Subject-Wise Weightage (Expected Trend)
CSIR does not release exact weightage in advance. The following is based on previous CSIR technical recruitments.
| Area | Weightage |
|---|---|
| Core Technical Subject | Very High |
| Practical / Application Questions | High |
| Basic Mathematics (if applicable) | Low |
| General Awareness / Aptitude | Very Low or Nil |
Trade Test (If Conducted)
- Trade test evaluates hands-on skills and practical knowledge
- Focus on tools, instruments, procedures, and safety practices
- Qualifying in nature
- Mandatory for final selection if applicable
Minimum Qualifying Standards
- Candidates must score minimum qualifying marks as decided by CSIR-NPL
- Cut-off will vary based on:
- Number of candidates
- Difficulty level
- Category-wise reservation
Document Verification
- Conducted after written exam / trade test
- Original certificates will be checked
- Any mismatch leads to cancellation of candidature
Important Points to Remember
- No section can be skipped
- Final merit is based on performance in selection stages
- Mere qualification does not guarantee selection
Preparation Tip (Very Important)
Candidates should focus only on their technical discipline and revise:
- Basic concepts
- Formulas
- Practical instruments
- Common numerical problems
This approach gives maximum return with minimum confusion.
Syllabus : CSIR NPL Technical Assistant Exam Preparation 2026
Detailed Syllabus (Discipline-Wise Overview)
Mechanical Engineering
- Strength of Materials
- Thermodynamics
- Manufacturing Processes
- Engineering Mechanics
- Metrology & Measurements
Electronics / Electrical / Instrumentation
- Basic Electrical Engineering
- Electronic Devices & Circuits
- Measurements & Instrumentation
- Digital Electronics
- Control Systems (Basics)
Civil Engineering
- Building Materials
- Structural Mechanics
- Surveying
- RCC Basics
- Engineering Mathematics
Computer Science / IT
- Programming Fundamentals
- Data Structures
- Computer Networks
- DBMS
- Operating Systems
Physics
- Mechanics
- Electricity & Magnetism
- Optics
- Modern Physics
- Experimental Physics
Chemistry
- Physical Chemistry
- Organic Chemistry
- Inorganic Chemistry
- Analytical Chemistry
- Laboratory Techniques
Recommended Books / Study Material
Recommended Books / Study Material
Choosing the right study material is very important for the CSIR NPL Technical Assistant Exam 2026 because the exam mainly tests core technical concepts and practical understanding. Candidates are advised to avoid too many books and focus on limited but standard resources.
Common Study Material (For All Disciplines)
- Diploma / B.Sc. class notes (most important)
- Standard core subject textbooks used during studies
- Previous-level technical MCQs from SSC JE / CSIR technical exams
- Short notes for formulas, definitions, and lab instruments
Mechanical Engineering – Recommended Books
- Strength of Materials – Bansal / Gere & Timoshenko (Basics)
- Thermodynamics – P.K. Nag
- Manufacturing Processes – Raghuwanshi / HMT Handbook
- Engineering Mechanics – Bansal
Electronics / Electrical / Instrumentation – Recommended Books
- Basic Electrical Engineering – B.L. Theraja
- Electronic Devices & Circuits – Boylestad & Nashelsky
- Measurements & Instrumentation – Raghuwanshi
- Digital Electronics – Morris Mano
Civil Engineering – Recommended Books
- Strength of Materials – Bansal
- Building Materials – Arora & Bindra
- RCC Basics – B.C. Punmia
- Surveying – Bansal
Computer Science / IT – Recommended Books
- Programming in C – E. Balagurusamy
- Data Structures – Schaum’s Outline / Lipschutz
- Operating System – Galvin
- DBMS – Korth
Physics – Recommended Books
- Concepts of Physics – H.C. Verma
- Modern Physics – Beiser
- Electricity & Magnetism – D.C. Pandey Series
- Practical Physics – B.Sc. Lab Manuals
Chemistry – Recommended Books
- Physical Chemistry – P. Atkins / Puri & Sharma
- Organic Chemistry – Morrison & Boyd
- Inorganic Chemistry – J.D. Lee
- Analytical Chemistry – Vogel
Exam Preparation Strategy : CSIR NPL Technical Assistant Exam Preparation 2026
A clear and disciplined strategy is the key to cracking the CSIR NPL Technical Assistant Exam Preparation 2026 without coaching.
Step 1: Understand the Exam Requirement
- Focus on core technical subjects only
- Avoid non-relevant competitive exam topics
- Study concepts with practical application
Step 2: Make a Realistic Study Plan
- Study 2–3 subjects per day
- Allocate more time to high-weightage subjects
- Keep daily revision time mandatory
Step 3: Strengthen Fundamentals First
- Revise diploma / B.Sc. level theory
- Clear basic formulas and definitions
- Understand working principles of instruments
Step 4: Practice MCQs Regularly
- Solve 20–30 technical MCQs daily
- Focus on accuracy over speed
- Analyze mistakes immediately
Step 5: Revise & Test Yourself
- Weekly revision of studied topics
- Create short notes for last revision
- Attempt mock tests or mixed MCQs
Step 6: Avoid Common Mistakes
- Do not study too many books
- Do not ignore weak subjects
- Do not skip revision
- Do not rely only on theory
Sample Questions
Question 1:
If the efficiency of a heat engine is 40% and the input energy is 2000 J, what is the output work?
A) 600 J
B) 700 J
C) 800 J
D) 900 J
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Correct Answer – C
Question 2:
Which instrument is used for measuring very small resistance accurately?
A) Voltmeter
B) Ammeter
C) Wheatstone Bridge
D) Megger
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Correct Answer – C
Question – 3
In a simply supported beam of span 6 m carrying a point load of 12 kN at mid-span, what is the maximum bending moment?
A) 12 kN·m
B) 18 kN·m
C) 24 kN·m
D) 36 kN·m
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Correct Answer – C
Question – 4
Which device converts analog signals into digital form?
A) Modulator
B) Demodulator
C) ADC
D) DAC
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Correct Answer – C
Question – 5
The unit of Young’s modulus is:
A) N
B) N/m
C) N/m²
D) kg/m²
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Correct Answer – C
Question – 6
Which logic gate gives HIGH output only when both inputs are HIGH?
A) OR
B) NAND
C) XOR
D) AND
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Correct Answer – D
Question – 7
In a refrigeration cycle, the refrigerant absorbs heat in the:
A) Condenser
B) Compressor
C) Evaporator
D) Expansion valve
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Correct Answer – C
Question – 8
Which data structure follows the principle of LIFO?
A) Queue
B) Stack
C) Array
D) Linked List
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Correct Answer – B
Question – 9
The process of removing dissolved gases from boiler feed water is called:
A) Filtration
B) Distillation
C) Deaeration
D) Coagulation
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Correct Answer – C
Question – 10
What is the SI unit of magnetic flux?
A) Weber
B) Tesla
C) Henry
D) Ampere
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Correct Answer – A
Question – 11
Which type of bearing is used to support radial loads only?
A) Thrust bearing
B) Journal bearing
C) Ball bearing
D) Roller bearing
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Correct Answer – B
Question – 12
In digital electronics, the binary equivalent of decimal number 13 is:
A) 1010
B) 1101
C) 1110
D) 1001
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Correct Answer – B
Question – 13
Which cement is most suitable for marine construction?
A) Ordinary Portland Cement
B) Rapid Hardening Cement
C) Low Heat Cement
D) Sulphate Resisting Cement
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Correct Answer – D
Question – 14
The time complexity of binary search algorithm is:
A) O(n)
B) O(n²)
C) O(log n)
D) O(1)
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Correct Answer – C
Question – 15
Which law states that resistance of a conductor is directly proportional to its length?
A) Faraday’s Law
B) Kirchhoff’s Law
C) Ohm’s Law
D) Coulomb’s Law
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Correct Answer – C
Question – 16
The hardness of water is mainly due to the presence of:
A) Sodium salts
B) Potassium salts
C) Calcium and Magnesium salts
D) Iron salts
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Correct Answer – C
Question – 17
Which instrument is used to measure very high resistance?
A) Voltmeter
B) Ammeter
C) Wheatstone bridge
D) Megger
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Correct Answer – D
Question – 18
In thermodynamics, an isothermal process occurs at:
A) Constant pressure
B) Constant volume
C) Constant temperature
D) Constant entropy
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Correct Answer – C
Question – 19
Which programming language is mainly used for system programming?
A) Python
B) Java
C) C
D) HTML
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Correct Answer – C
Question – 20
The phenomenon of sudden increase in current in a PN junction diode under reverse bias is called:
A) Forward bias
B) Zener breakdown
C) Rectification
D) Amplification
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Correct Answer – B
📝 Free Mock Test
Candidates preparing for exam should practice mock tests to understand question difficulty, improve accuracy. This mock test is designed strictly as per the latest exam pattern and Syllabus. Attempt Google Form here – Click here
Frequently Asked Question (FAQ)
Question 1 – What is the CSIR NPL Technical Assistant Exam Preparation 2026 ?
Answer – CSIR NPL Technical Assistant Exam 2026 is a central government technical examination conducted by CSIR–National Physical Laboratory to recruit Technical Assistants in various engineering and science disciplines.
Question 2 – What is the selection process for CSIR NPL Technical Assistant Exam 2026?
Answer – The selection process includes application screening followed by a written examination or trade test and document verification.
Question 3 – Is the CSIR NPL Technical Assistant Exam 2026 based on technical subjects only?
Answer – Yes, the exam mainly focuses on core technical subjects related to the discipline applied, with emphasis on practical and applied concepts.
Question 4 – Can I prepare for CSIR NPL Technical Assistant Exam 2026 without coaching?
Answer – Yes, candidates can prepare without coaching by focusing on diploma or B.Sc. level core subjects, standard textbooks, regular revision, and MCQ practice.
Question 5 – What is the best strategy to crack CSIR NPL Technical Assistant Exam 2026?
Answer – The best strategy is to strengthen fundamentals, practice technical MCQs daily, revise regularly, and focus on practical and laboratory-based concepts.
Note: Applicants are strongly advised to carefully verify all details such as important dates, eligibility criteria, application fee, age limit, number of vacancies, experience requirements, andselection process from the official notification and official website before applying. Candidates must submit their applications only through the official website using the direct login link provided by the recruiting authority.
For the latest, easy-to-understand, and student-friendly government job updates, visit GovtJobLink.com – Latest Government Job Updates, where we also provide structured exam preparation guidance along with detailed exam pattern and syllabus information. For more government job notifications, candidates are encouraged to regularly check our Latest Jobs section.
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