RRB JE 2021 Syllabus & Exam Pattern For CMA
RRB JE Syllabus for
CMA (B.Sc., Chemistry, and Physics). RRB Exam Pattern for CBT 1, & 2.
For Knew RRB 2019 Syllabus for CBT 1, 2 for reads full articles.
Centralized Employment Notification Number:- CEN 03/2018
Total Vacancy: 13487
Short Information: Railway Recruitment Board (RRB) has given
a notification for the recruitment of Junior Engineer, Depot Material
Superintendent (DMS) , Chemical & Metallurgical Assistant (CMA) for 13487
vacancies.
RRB JE Syllabus 2021 Exam Date: RRB JE Computer Based Test
(CBT 1) Tentatively scheduled during April/May 2021.
 |
| RRB CMA Syllabus 2021 |
1st Stage CBT: RRB Chemical & Metallurgical
Assistant(CMA) 2019 Exam Pattern
Duration: 90 minutes (120 Minutes for eligible PwBD
candidates)
No of Questions: 100
Negative Marking: There shall be negative marking for
incorrect answers in CBTs. 1/3rd of the marks allotted for each question shall
be deducted for each wrong answer
RRB JE Syllabus for CBT 1: Chemical & Metallurgical Assistant(CMA)
Mathematics: Number systems, BODMAS, Decimals, Fractions, LCM
and HCF, Ratio and Proportion, Percentages, Mensuration, Time and Work, Time
and Distance, Simple and Compound Interest, Profit and Loss, Algebra, Geometry,
Trigonometry, Elementary Statistics, Square Root, Age Calculations, Calendar
& Clock, Pipes & Cistern.
General Intelligence and Reasoning: Analogies, Alphabetical
and Number Series, Coding and Decoding, Mathematical operations, Relationships,
Syllogism, Jum-bling, Venn Diagram, Data Interpretation, and Sufficiency,
Conclusions and Decision Making, Similarities and Differences, Analytical
reasoning, Classification, Directions, Statement – Arguments and Assumptions
etc.
General Awareness: Knowledge of Current affairs, Indian
geography, culture, and history of India including freedom struggle, Indian
Polity and constitution, Indian Economy, Environmental issues concerning India
and the World, Sports, General scientific and technological developments, etc.
General Science: Physics, Chemistry and Life Sciences (up to
10th Standard CBSE syllabus).
The section-wise Number of questions and marks are as below :
Subjects
|
No. of Questions
|
Marks
|
Mathematics
|
30
|
30
|
General Intelligence & Reasoning
|
25
|
25
|
General Awareness
|
15
|
15
|
General Science
|
30
|
30
|
Total
|
100
|
100
|
Time in Minutes
|
90
|
Note:- Minimum percentage of marks for eligibility in various
categories: UR -40%, OBC-30%, SC-30%, ST -25%.
RRB JE 2019 Syllabus for CBT 2: Chemical & Metallurgical Assistant (CMA)
2nd Stage CBT: Shortlisting of Candidates for the 2nd Stage
CBT exam shall be based on the normalized marks obtained by them in the 1st
Stage CBT Exam. Total number of candidates to be shortlisted for 2nd Stage
shall be 15 times the community wise total vacancy of Posts notified against
the RRB as per their merit in 1st Stage CBT.
Duration: 120 minutes (160 Minutes for eligible PwBD
candidates accompanied by Scribe)
No of Questions: 150
Exam Type:- The Questions will be of objective type.
Subjects
|
No. of Questions
|
Marks
|
Basics of Environment and Pollution
Control
|
10
|
10
|
Basics of Computers and Applications
|
10
|
10
|
General Awareness
|
15
|
15
|
Physics & Chemistry
|
15
|
15
|
Technical Abilities
|
100
|
100
|
Total Marks
|
150
|
150
|
Note:- Minimum percentage of marks for eligibility in various
categories: UR -40%, OBC-30%, SC-30%, ST -25%.
General Awareness: Knowledge of Current affairs, Indian
geography, culture, and history of India including freedom struggle, Indian
Polity and constitution, Indian Economy, Environmental issues concerning India
and the World, Sports, General scientific and technological developments, etc.
Physics and Chemistry: Up to 10th standard CBSE syllabus.
Basics of Computers and Applications: Architecture of
Computers; input and Output devices; Storage devices, Networking, Operating A system like Windows, Unix, Linux; MS Office; Various data representation;
Internet and Email; Websites & Web Browsers; Computer Virus.
Basics of Environment and Pollution Control: Basics of
Environment; Adverse effect of environmental pollution and control strategies;
Air, water and Noise pollution, their effect and control; Waste Management,
Global warming; Acid rain; Ozone depletion.
Technical Abilities: Chemical & Metallurgical
Assistant(CMA)
Technical Abilities Syllabus for Chemical & Metallurgical Assistant(CMA)
Measurements, Units, and Dimensions, Types of errors in
measurements, Significance of accuracy in measurement.
Light: Basic principles of light - reflection, refraction,
laws of reflection, total internal reflection, interference, diffraction, and polarization. The formula for magnification of microscope,
telescope. Electro Magnetic spectra.
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, Latent heat. Anomalous expansion of water and its significance in nature. Combustion,
Calorific value, the specific heat of gases.
Sound: Sources of sound. Propagation of sound. The velocity of
sound in different media/substances. Characteristics of sound. Reflection of sound, echo, Resonance, Sonar and Doppler
effect.
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. Centre of gravity. Stability and Equilibrium. The universal law of Gravitation. The relation between ‘g’ and ‘G’. Circular motion, Kepler’s Laws. Elasticity and Hooke’s Law.
Magnetism: Magnetic field, Uniform, and nonuniform magnetic
fields. Magnetic induction. Magnetic lines of force. Magnetic pole strength, Magnetic moment. Inverse-square law of
magnetism. Magnetic properties of materials and their classification.
Electricity & Electro Magnetism: Electric charge, field,
electric intensity, electric potential, potential difference. Simple Electric Circuits. Conductors, Nonconductors / Insulators, Coulomb’s
inverse square law. Primary and Secondary Cells.
Ohm’s Law- its limitations. Resistances in series and parallel, Emf of
a circuit; Specific resistance. Kirchhoff’s laws. The 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 law, Generators, and Alternating Currents. Inductance – self, mutual inductance, and principles
of the transformer.
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.
Atomic models: Mass defect; Radio-Activity- Discovery, properties of alpha, beta, and gamma
radiations. Applications of alpha, beta, and gamma radiations, alpha, 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 a hydrogen bomb.
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.
Matter: States of matter. Elements, Compounds, and Mixtures.
Methods of separation of mixtures. Chromatography. The behavior of gases; measurable properties of gases; gas laws. Mole
concept. Dolton, Avogadro, Berzelius laws.
Chemical Reactions: Physical and chemical changes. Types of
Chemical reactions; Physical and Chemical properties various compounds. Chemical calculations. NaOH, Bleaching powder,
baking soda, washing soda, and their uses, Plaster of Paris.
Acids and Bases, Salts: Strength and uses of Acids &
Bases. Neutralization. Nature and uses of different Salt. The water of crystallization. Complex, Neutral and double salts.
Oxidation and Reduction, Rancidity. Identification of Acids, Bases–
Indicators: Natural, 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.
Atomic Structure: Electromagnetic spectrum, Atomic spectrum,
Characteristics of electron, proton, and neutron, Rutherford’s model of an atom, nature of electromagnetic radiation,
Plank’s quantum mechanics, explanation of the photoelectric effect, features of atomic spectra, characteristics of hydrogen
spectrum.
Bohr’s theory of the structure of an 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, the concept of orbitals, define an atomic orbital in terms of quantum numbers-shapes of s, p
and d orbitals, n l x rule.
Energies of electronic energy levels (n+l) rule state Aufbau principle, Pauli’s exclusive
principle and Hund’s rule of maximum multiplicity, electronic configuration of atom, explanation of the stability of half-filled and
completely filled orbital.
Periodic Classification of Elements: Characteristics of
elements in groups and periods. The signification of atomic number and electronic configuration as the basis per 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
Chemical Bonding: Ionic and Covalent bonds: Introduction of
chemical bonding. Electronic Configuration of Noble gases. sigma, pi bond with examples.
Shapes of molecules bond
lengths and bond angles in molecules. Hybridization and explanation of H2O, BF3, CH4, NH3, etc. molecules. Hydrogen bonding and
types of H bonds.
Carbon and its Compounds: Need to study of 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 compound Combustion and Oxidation. Addition reactions. Substitution reaction. Important carbon compounds.
Nomenclature 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.
Environmental Chemistry: Different types of pollutions, 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
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.
Thank You for Reading the Article on RRB JE Syllabus and Pattern
for Chemical & Metallurgical Assistant(CMA)
Post a Comment