RRB CMA EXAM 2024: CBT1 & CBT2 SYLLABUS

Fri Sep 27, 2024

"Recruitment Process for RRB CMA:

  • Application Mode: Apply only online via any RRB website. Each candidate can apply to only one RRB, and selection of RRB is final.
  • Selection Stages:
    1. 1st Stage CBT (CBT-I)
    2. 2nd Stage CBT (CBT-II)
    3. Document Verification (DV)
    4. Medical Examination (ME)
  • Notifications: Exam schedules and venues will be communicated through RRB websites, SMS, and email.
  • Note: No requests for postponements, venue, date, or shift changes will be accepted.

CBT 1

  • Duration: 90 minutes (120 minutes for PwBD candidates with a scribe)
  • No. of Questions: 100 (Objective type with multiple choices)
  • Purpose: Screening test; normalized score used for shortlisting candidates for 2nd Stage CBT based on merit.

Subjects Covered:

a. Mathematics:

  • Number Systems, Decimals, Fractions, LCM, HCF, Ratio & Proportion
  • Percentages, Mensuration, Time & Work, Time & Distance
  • Simple & Compound Interest, Profit & Loss, Algebra, Geometry
  • Trigonometry, Elementary Statistics, Square Root, Age Calculations
  • Calendar & Clock, Pipes & Cisterns

b. General Intelligence & Reasoning:

  • Analogies, Series, Coding-Decoding, Mathematical Operations
  • Relationships, Syllogism, Jumbling, Venn Diagrams
  • Data Interpretation, Decision Making, Analytical Reasoning
  • Classification, Directions, Assumptions & Arguments

c. General Awareness:

  • Current Affairs, Indian Geography, History, and Freedom Struggle
  • Indian Polity, Constitution, Economy, Environmental Issues
  • Sports, General Science & Technology

d. General Science:

  • Physics, Chemistry, Life Sciences (Up to 10th Standard CBSE Syllabus)

CBT 2

  • Criteria: Based on normalized marks obtained in the 1st Stage CBT.
  • Shortlisting Ratio: 15 times the community-wise total vacancies notified for the RRB. Railways reserve the right to modify this ratio for any specific category.
  • Duration: 120 minutes (160 minutes for PwBD candidates with a scribe)
  • No. of Questions: 150
  • Syllabus 

    a) General Awareness:

    • Current Affairs
    • Indian Geography, History, and Freedom Struggle
    • Indian Polity and Constitution
    • Indian Economy
    • Environmental Issues (India & World)
    • Sports, General Scientific, and Technological Developments

    b) Physics and Chemistry:

    • Up to 10th Standard CBSE Syllabus

    c) Basics of Computers and Applications:

    • Computer Architecture
    • Input and Output Devices
    • Storage Devices
    • Networking
    • Operating Systems (Windows, Unix, Linux)
    • MS Office, Data Representation
    • Internet, Email, Websites, Web Browsers
    • Computer Virus

    d) Basics of Environment and Pollution Control:

    • Environmental Basics
    • Pollution Control Strategies
    • Air, Water, and Noise Pollution (Effects and Control)
    • Waste Management, Global Warming, Acid Rain, Ozone Depletion

    E) Technical ABILITIES

    1. Measurements, Units, and Dimensions

    • Types of errors in measurements
    • Significance of accuracy in measurement

    2. Light

    • Basic principles of light
      • Reflection, refraction, laws of reflection
      • Total internal reflection, interference, diffraction, and polarization
    • Formula for magnification of microscope and telescope
    • Electromagnetic spectra

    3. Heat

    • Heat as energy
    • Sources of heat
    • Transmission of heat
    • Expansion of solids, liquids, and gases
    • Temperature (based on thermal equilibrium)
    • Different scales of temperature
    • Calorimetry
    • Applications of specific heat and latent heat
    • Anomalous expansion of water and its significance in nature
    • Combustion, calorific value, and specific heat of gases

    4. Sound

    • Sources of sound
    • Propagation of sound
    • Velocity of sound in different media/substances
    • Characteristics of sound
    • Reflection of sound, echo, resonance, sonar, and Doppler effect

    5. Mechanics

    • Scalars and vectors
    • All types of motion
    • Friction
    • Newton’s laws of motion
    • Momentum
    • Equations of motion (under gravity and freely falling), projectile, range
    • Laws of floatation
    • Work, power, and energy
    • Conservation of energy
    • Center of mass, center of gravity
    • Stability and equilibrium
    • Universal law of gravitation
    • Relation between ‘g’ and ‘G’
    • Circular motion and Kepler’s laws
    • Elasticity and Hooke’s law

    6. Magnetism

    • Magnetic field
    • Uniform and non-uniform magnetic fields
    • Magnetic induction
    • Magnetic lines of force
    • Magnetic pole strength and magnetic moment
    • Inverse square law of magnetism
    • Magnetic properties of materials and their classification

    7. Electricity & Electromagnetism

    • Electric charge, field, electric intensity, electric potential, potential difference
    • Simple electric circuits
    • Conductors, non-conductors/insulators
    • Coulomb’s inverse square law
    • Primary and secondary cells
    • Ohm’s law and its limitations
    • Resistances in series and parallel
    • EMF of a circuit; specific resistance
    • Kirchhoff’s laws
    • Relation between electric potential and electric energy, electric power (wattage)
    • Heating effect of electric current and Joule’s law
    • Ampere’s law, circular loop, and solenoid
    • Magnetic force on moving charged particle and long straight conductors
    • Fleming’s left-hand rule, electric motor
    • Electromagnetic induction – Faraday’s law, electromagnetic flux
    • Lentz's law, generators, and alternating currents
    • Inductance – self, mutual inductance, and principles of transformers

    8. Modern Physics

    • Discharge of electricity through gases
    • Cathode rays, anode rays and their properties
    • X-rays
    • Atomic models: JJ Thomson, Rutherford, and Bohr’s models
    • Atomic nucleus and its structure
    • Mass defect
    • Radioactivity: discovery, properties of alpha, beta, and gamma radiations
    • Applications of alpha, beta, and gamma radiations, alpha and beta decays
    • Half-life period, isotopes, isobars, and isotones
    • Artificial radioactivity, radioisotopes, and their uses in different fields
    • Radioactive series, chain and controlled nuclear reactions
    • Fission and fusion of nuclei – atomic bomb and hydrogen bomb

    9. Electronics and Communications

    • Semiconductors, diode, p-n junction characteristics
    • Transistor – pnp & npn characteristics and uses
    • Zener diode characteristics
    • Simple electronic circuits, logic gates – applications
    • Modulation and demodulation

    10. Matter

    • States of matter
    • Elements, compounds, and mixtures
    • Methods of separation of mixtures
    • Chromatography
    • Behavior of gases; measurable properties of gases; gas laws
    • Mole concept; Dalton, Avogadro, Berzelius laws

    11. Chemical Reactions

    • Physical and chemical changes
    • Types of chemical reactions
    • Physical and chemical properties of various compounds
    • Chemical calculations
    • NaOH, bleaching powder, baking soda, washing soda, and their uses
    • Plaster of Paris

    12. Acids and Bases, Salts

    • Strength and uses of acids & bases
    • Neutralization
    • Nature and uses of different salts
    • Water of crystallization
    • Complex, neutral, and double salts
    • Oxidation and reduction, rancidity
    • Identification of acids and bases – indicators: natural and chemical
    • pH scale - role of pH in daily life (agriculture, medicine)
    • Classification of salts based on affinity to water
    • Examples of acidic, basic, mixed, complex, neutral, and double salts
    • Solutions - types of solutions; solubility, ionization, concentration
    • Oxidation number concept
    • Balancing of redox reactions, calculation of concentrations, stoichiometry

    13. Atomic Structure

    • Electromagnetic spectrum, atomic spectrum
    • Characteristics of electron, proton, and neutron
    • Rutherford’s model of an atom
    • Nature of electromagnetic radiation, Planck’s quantum mechanics
    • Explanation of photoelectric effect, features of atomic spectra
    • Characteristics of hydrogen spectrum, Bohr’s theory of structure of atom
    • Bohr’s explanation of spectral lines, failure of Bohr’s theory
    • Wave-particle nature of electrons, de Broglie’s hypothesis
    • Heisenberg’s uncertainty principle
    • Important features of the quantum mechanical model of an atom
    • Quantum numbers, concept of orbitals, definition of an atomic orbital in terms of quantum numbers
    • Shapes of s, p, and d orbitals
    • n + l rule, energies of electronic energy levels (n+l) rule
    • Aufbau principle, Pauli’s exclusion principle, Hund’s rule of maximum multiplicity
    • Electronic configuration of atom, explanation of stability of half-filled and completely filled orbitals

    14. Periodic Classification of Elements

    • Characteristics of elements in groups and periods
    • Significance of atomic number and electronic configuration as the basis for periodic classification
    • Classification of elements into s-block, p-block, d-block, f-block and their main characteristics
    • Periodic trends in physical and chemical properties of elements
    • Study of different groups of the periodic table

    15. Chemical Bonding

    • Ionic and covalent bonds: Introduction to chemical bonding
    • Electronic configuration of noble gases
    • Sigma, pi bonds with examples
    • Shapes of molecules, bond lengths, and bond angles in molecules
    • Hybridization and explanation of H₂O, BF₃, CH₄, NH₃, etc.
    • Hydrogen bonding and types of hydrogen bonds

    16. Carbon and its Compounds

    • Need to study carbon compounds separately
    • Classification of organic compounds: hydrocarbons - alkanes, alkenes, alkynes, aromatic and aliphatic compounds with examples
    • Bonding in carbon including hybridization
    • Allotropes of carbon
    • Versatile nature of carbon: tetravalency, chains, branches, and rings
    • Catenation, isomerism
    • Saturated and unsaturated carbon compounds
    • Bonding of carbon with other elements
    • Functional groups in carbon compounds
    • Homologous series
    • Chemical properties of carbon compounds: combustion and oxidation, addition reactions, substitution reaction
    • Important carbon compounds: nomenclature of organic compounds
    • Carbohydrates and their classification
    • Proteins (examples), oils and fats (examples)
    • Polythene, nylon, PVC, polyvinyl alcohol; rubber – uses in daily life
    • Polymers and other important organic compounds

    17. Environmental Chemistry

    • Different types of pollution
    • Acid rains, ozone and its reactions
    • Effects of depletion of the ozone layer
    • Greenhouse effect and global warming
    • Green chemistry as an alternative tool for reducing pollution

    18. Metallurgy

    • Occurrence of metals
    • Minerals, ores - examples
    • Extractions of metals – activity series and related metallurgy
    • Flow chart of steps involved in the extraction of metals from ore
    • Refining metals, electrolytic refining
    • Corrosion – prevention of corrosion
    • Alloys and their uses