## MECHANICAL ENGINEERING

## GATE 2021 GUIDE

## MECHANICS OF MATERIALS

## THEORY & SELF PRACTICE QUESTIONS

**PREVIOUS YEARS QUESTIONS WITH SOLUTIONS**

## FREE DOWNLOAD PDF

Mechanics of Materials subject as part of Mechanical Engineering GATE 2021 Guide with Theory, Previous Years Questions, Practice Questions, Solutions and Explanations Free Download PDF MechanicaLibrary.com exclusive

Mechanics of Materials is one of the core subjects for Mechanical Engineering students. Also, considering the GATE Examination, the weightage of Strength of Materials subject varies from a minimum of 5 marks to a maximum of 15 marks. From these figures, we can understand the importance of the Mechanics of materials subject as far as the GATE Exam is considered. Mechanics of Materials GATE 2021 Guide by Mechanical Engineering Library Exclusive covers the detailed theory of all the topics which are required for the GATE 2021 Examination under Mechanics of Materials subject. Also, we have provided the previous year's GATE questions from the Mechanics of Materials subject, along with a set of question for the practice of students. Utmost care has been taken while preparing the concepts, theory and questions in this book by keeping the GATE Exam as the target in the mind

**Topics covered in this book are as follows**

- Stresses and Strains
- Mohr's Circle Concept
- Hooke's Law and applications
- Extension of Bars
- Composite Section
- Thermal Stresses
- Composite Section Under Thermal Stress
- Temperature Stress in Compound Bars
- Elastic Constants
- Volumetric Strain
- Stress-Strain Diagram of Mild Steel
- Principal Stress
- Graphical Methods
- Mohr's Circle
- Principal Strains
- Shear Force and Bending Moment
- Load Intensity, Shear Force and Bending Moment relations
- SFD and BMD
- Standard Cases on Cantilevers and Beams
- Deflection, Torsion and Columns
- Position of Neutral Axis
- Moment of Resistance of a Section
- Slope and Deflection of Beam

- Beams of Varying Cross-section
- Torsion of Circular Shafts
- Comparison of Hollow and Solid Shafts
- Composite Circular Shafts
- Tapered Circular Shaft
- Euler's Theory of Column
- Strain Energy and Resilience
- Proof Resilience
- Thin-walled Pressure Vessels
- Strain Gauges and Rosettes
- Variations in Temperature
- Errors and Compensation
- Strain Rosettes
- Hardness
- Rockwell Hardness Tests
- Brinell Hardness Tests
- Knoop and Vickers Microhardness Tests
- Hardness Conversion
- Ductile to Brittle Transition
- Previous Years Question from Mechanics of Materials
- Practice Set - Multiple Choice Questions on Mechanics of Materials

GATE Exam is one of the very popular benchmark exams for the Engineering students from all the branches. GATE Exam is not only being considered for the entrance into IIT's or IISc but also many Central/State PSU's are considering GATE Score for the recruitment. Not only the public sector but also many companies in the private sector are considering GATE Score as the main criteria for the recruitment. Hence, it is very important to prepare perfectly for the GATE Exam. Keeping everything in the mind, the book "Mechanics of Materials GATE 2021 Guide with Theory, Previous Years and Practice Questions" is prepared for the sole benefit of the GATE Aspirants to get the expertise in the subject of Mechanics of Materials for GATE.

**Below is the marks weightage comparison of the Mechanics of Materials subject yearwise**

**Sample Topic explanation**

Stress is the intensity of the Internal Resistance offered by a body or material against the deformation. Resisting force normal to the plane or section per unit area is known as Normal Stress. The intensity of the resisting force parallel to the section or plane is called Shear Stress. The ratio of lateral strain to the longitudinal strain is a constant quantity and is known as Poisson's Ratio. The strain is a quantity used to measure the intensity of deformation. It can be defined as the change in dimension concerning the original dimension.

Mechanical Engineering Library is presenting GATE 2021 Guide for Mechanical Engineers for free of cost. This book is dedicated to the bright students who are financially poor, but rich in knowledge and talent. All the students cannot afford costly materials for the preparation of competitive exams like GATE, ESE, SSC, RRB, PSC and more. Hence, we are providing our own books which are prepared with complete care for the benefit of students most importantly for free of cost. Not only for the financially poor students, but these books are very useful for the students whoever is preparing for the competitive examinations. Mechanics of Materials GATE 2021 Guide by MechanicaLibrary.com covers all the required theory for Mechanics of Materials subject with clear explanation using the diagrams, formulae. Also, one main plus point about this book is a student can analyse himself/herself by knowing the previous year's questions, practice sets questions along with the clear explanations and answers.

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