GATE Mechanical Engineering : Important Topics for Theory of Machines

By BYJU'S Exam Prep

Updated on: September 25th, 2023

Important topics for each subject for GATE Exam should be on priority to complete for each candidate. It is important for better time management for each subject and effective preparations. The theory of machines is one of the important subjects of mechanical engineering for GATE and other competitive exams.

Here we will provide the Important topics for the Theory of Machines based on the previous year’s analysis and the Expected pattern of questions that would be useful in preparing for GATE ME 2024 and aiming to grab maximum marks out of the Theory of Machines.

Download GATE Syllabus for All Engineering Branches PDF

Important Topics of Theory of Machine for GATE ME Exam

If you are preparing for the GATE mechanical engineering exam, some of the important topics in the theory of machines that you should focus on are:

  1. Kinematics of Mechanisms: This topic deals with the motion of machines and their components without considering the forces that cause the motion. You should have a good understanding of various types of motions, such as rotary, oscillatory, and reciprocating motions, and be able to solve problems related to displacement, velocity, and acceleration.

  2. Mechanisms and Machines: This topic deals with the study of the arrangement of parts of a machine that enables it to perform a particular motion or set of motions. You should have a good understanding of different types of mechanisms such as gear trains, slider-crank mechanisms, and four-bar linkages.

  3. Gear Trains: These deal with the design, analysis, and application of gears, which transmit power between two shafts. You should have a good understanding of different types of gear, such as spur gears, helical gears, bevel gears, and worm gears.

  4. Flywheels: It deals with the design and analysis of flywheels, which store kinetic energy and release it when required. You should be able to solve problems related to the design and analysis of flywheels.

  5. Balancing of Reciprocating Masses: This topic deals with the balancing of masses in reciprocating machines such as engines and compressors. You should be able to solve problems related to the balancing of reciprocating masses.

  6. Vibration Analysis: This topic deals with the study of vibrations in machines and their effects. You should be able to solve problems related to the natural frequency, damping ratio, and amplitude of vibrations in machines.

Topics Asked in GATE ME 2021, 2020, 2019 & 2018 for Theory of Machines

Here are the important topics covered and average marks for the previous years of the theory of machines are described below. Candidates can get an overview of these details to get information about the weightage of the theory of machines.

Fluid Mechanics 

GATE 2021

GATE 2020

GATE ME 2019

GATE ME 2018

GATE ME 2017

Average Marks






Topics Covered

Simple Mechanics & their inversion, Balancing, Gyroscope, Vibration

Simple Mechanism & their inversions,
Gear & Gear Trains, Flywheel,
Balancing, Cams, Mechanical Vibration

Balancing, Gyroscope, Cam, Natural frequency, I-center, gears

Natural Frequency, Dynamics of Slider Crank Mechanism, Epicyclic Gear Trains Gear Train, Vibration, Cam-follower

Slider-crank, Gear Trains 

Balancing, Vibration

Most Important Topics in the Theory of Machines

The theory of Machines has been an important subject in terms of the Mechanical Engineering perspective. In GATE, marks weightage fluctuates depending on the set. We can expect an average of 5-8 marks in the GATE exam 2024.

Most important topics in the Theory of Machines which may be expected for GATE ME 2024

  • Simple Mechanisms & their Inversions
  • Gear & Gear Trains
  • Flywheel
  • Balancing
  • Cams
  • Mechanical Vibration

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GATE 2024 Exam Syllabus


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