Free online practice test
RRB Technician Grade I Signal CBT Basic Science and Engineering Mock Test 1
Railway Recruitment Board: Technician Grade I Signal and Grade III
Focus on Basic Science and Engineering with 35 original questions in one dedicated practice session.
Syllabus-checked original practice
Mapped to the official Grade I Signal CBT syllabus and answer-checked on 7 August 2026.
View official pattern sourceTest-day essentials
Know before you start
- The timer starts as soon as you click "Start test" and the test auto-submits when time runs out.
- Mark questions for review and return to them while their section or timing group is still open.
- Your answers and timer deadline are saved on this device, so a refresh can resume safely.
- After submitting, review section and topic scores, explanations, and source links.
About this RRB Technician Basic Science and Engineering sectional test
This sectional test isolates Basic Science and Engineering from the RRB Technician Grade I Signal CBT pattern, so you can drill it on its own instead of only meeting it inside the full mock. It draws 35 original practice questions across 23 distinct topics, syllabus-checked the same as our full mocks.
Topics covered
Ampere's Law and Magnetic Force
2 questions
Basic Electronics
2 questions
CRO, LCD, LED, and Transducers
2 questions
Digital Electronics
2 questions
Electric Charge, Field, and Intensity
2 questions
Electric Potential and Potential Difference
2 questions
Electronic Measurements
2 questions
Mass, Weight, and Density
2 questions
Ohm's Law
2 questions
Resistances in Series and Parallel
2 questions
Units and Measurements
2 questions
Work, Power, and Energy
2 questions
Conductors and Insulators
1 question
Electromagnetic Induction
1 question
Electronic Devices and Circuits
1 question
Faraday's Law and Electromagnetic Flux
1 question
Heat and Temperature
1 question
Magnetic Field and Magnetic Induction
1 question
Microcontroller and Microprocessor
1 question
Potential, Energy, and Power Relation
1 question
Simple Electric Circuits
1 question
Specific Resistance
1 question
Speed and Velocity
1 question
Scoring and result analysis
Correct answers earn 1 mark and wrong answers deduct 0.333 marks. Unattempted questions score zero. This section's 35 questions are difficulty-tagged: 1 easy, 34 medium. After submitting, you receive topic-wise accuracy, time spent, answer explanations, and source links.
Frequently asked questions
Is this an official RRB Technician question paper?
No. It's an independent practice test with original Basic Science and Engineering questions, mapped to the official RRB Technician Grade I Signal CBT syllabus and answer-checked on 7 August 2026.
How many questions are in this Basic Science and Engineering sectional test, and how long is it?
35 questions in 32 minutes.
Which topics does this test focus on?
It spans 23 topics, with the heaviest coverage on Ampere's Law and Magnetic Force, Basic Electronics, and CRO, LCD, LED, and Transducers.
Is there negative marking in this test?
Yes. Each wrong answer deducts 0.333 marks, and each correct answer earns 1 mark. Unattempted questions score zero.
More RRB Technician practice
21 other reviewed tests are published for this exam, and these are the nearest 6. The rest of this Grade I Signal CBT stage comes first, then the other stages.
- General Intelligence and Reasoning Sectional Test 1 · 15 questions
- Basics of Computers and Applications Sectional Test 1 · 20 questions
- Mathematics Sectional Test 1 · 20 questions
- General Awareness Sectional Test 2 · 10 questions
- General Intelligence and Reasoning Sectional Test 2 · 15 questions
- Basics of Computers and Applications Sectional Test 2 · 20 questions