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Pure Bending

Course: Structural Engineering — Practice MCQs, solutions, formulas & past entrance questions.

Courses › Structural Engineering › Pure Bending

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Chapter:

Pure-Bending (Click to view content)

1. ______ strength is caused by a moment of resistance offered by a section.

Shear Flexural Axial Longitudinal

Flexural

The moment of couple with resists action of bending moment is a moment of resistance and flexural strength possessed by section is moment of resistance offered by it.

Hint Answer

2. The moment resisting capacity of cross section of a beam is termed as __ of beam.

Stiffness Strength Modulus Inertia

Strength

The moment resisting capacity of cross section of a beam is termed as strength of beam. The bending stress is maximum at extreme fibres of cross section. The strength of two beams of same material can be compared by sectional modulus values.

Hint Answer

3. A body having similar properties throughout its volume is said to be _________

Isotropic Homogeneous Continuous Uniform

Homogeneous

A body having similar properties throughout its volume is said to be ?homogeneous? and material which exhibits same elastic properties in all directions is called ?isotropic?.

Hint Answer

4. When a beam is subjected to simple bending, ________ is same in both tension and compression for material.

Modulus of rigidity Modulus of elasticity Poisson’s ratio Modulus of section

Modulus of elasticity

It is one of most important assumptions made in ory of simple bending that is modulus of elasticity that is Young?s modulus [E] is same in both tension and compression for material and stress in a beam do not exceed elastic limit.

Hint Answer

5. The product of modulus of elasticity (E) and polar moment of inertia (J) is called torsional rigidity.

True False

False

The product of modulus of rigidity (C) and polar moment of inertia (J) is called torsional rigidity and it produces a twist of one radian in a shaft of unit length.

Hint Answer

6. In flitched beams __ remains same for both materials.

Stress Strain Section modulus Young’s modulus

Strain

Due to bending, strain will be same in both materials.

$In flitched beams __ remains same for both materials.\r\n$

A timber beam strengned by steel strips.
Where E of timber / E of steel = m
The equivalent width = b + 2mt.

Hint Answer

7. ________ joints are necessary to keep a structure safe against shrinkage.

Construction Functional Transverse Longitudinal

Functional

Functional joints are necessary to keep structures safe against shrinkage, expansion sliding and warping of concrete. These types of joints are made by forming continuous breaks in large continuous areas of structures at suitable distance apart. The joints or breaks may be 6 to 38 mm wide.

Hint Answer

8. _________ is total Strain energy stored in a body.

modulus of resilience impact energy resilience proof resilience

resilience

When a load acts on a body, re is deformation of body which causes movement of applied load. Thus work is done is stored in body as energy and load is removed this stored energy which is by virtue of strain is called resilience.

Hint Answer

9. What are units for section modulus?

m² m⁴ m³ m

m³

The ratio of moment of inertia to distance to extreme fibre is called modulus of section or section modulus. It is generally denoted by letter Z. Section modulus is expressed in m³
Z = I/y
= m⁴/ m
= m³.

Hint Answer

10. The stress is directly proportional to ___

E u y R

y

By two equations; we have e = y/R & e = f/E
Equating both equations; we get e = f/E = y/R
Hence stress (f) is directly proportional to distance from neutral axis(y).

Hint Answer

Nexttt

All Chapters

View all Chapter and number of question available From each chapter from Structural-Engineering

Simple Stress and Strain

Simple Stress and Strain

Stresses in Members

Stresses in Members

Strain Energy and Resilience

Strain Energy and Resilience

Center of Gravity and Moment of Inertia

Center of Gravity and Moment of Inertia

Shear Force and Bending Moment

Shear Force and Bending Moment

Pure Bending

Shear Stress

Direct and Bending Stress

Direct and Bending Stress

Slope and Deflection

Slope and Deflection

Indeterminate Beams

Indeterminate Beams

Torsion

Plastic and Local Buckling Behaviour of Steel

Plastic and Local Buckling Behaviour of Steel

Cables and Arches

Cables and Arches

Influence Lines and Approximate Analysis for Statically Determinate Structures

Influence Lines and Approximate Analysis for Statically Determinate Structures

Deflections

Deflections Using Energy Methods

Deflections Using Energy Methods

Displacement Method of Analysis: Slope-Deflection Equations

Displacement Method of Analysis: Slope-Deflection Equations

Displacement Method of Analysis: Moment Distribution

Displacement Method of Analysis: Moment Distribution

Influence line diagram mcqs

Influence line diagram mcqs

Structural engineering important exam questions

Structural engineering important exam questions

Structural engineering important exam questions II

Structural engineering important exam questions II

Structural engineering important exam questions III

Structural engineering important exam questions III

Plastic Analysis

Plastic Analysis

Structural Engineering Loksewa Questions

Structural Engineering Loksewa Questions

Topics

This Chapter Pure-Bending consists of the following topics

Pure Bending

______ strength is caused by a moment of resistance offered by a section.

The moment resisting capacity of cross section of a beam is termed as __ of beam.

A body having similar properties throughout its volume is said to be _________

When a beam is subjected to simple bending, ________ is same in both tension and compression for material.

The product of modulus of elasticity (E) and polar moment of inertia (J) is called torsional rigidity.

In flitched beams __ remains same for both materials.

________ joints are necessary to keep a structure safe against shrinkage.

_________ is total Strain energy stored in a body.

What are units for section modulus?

The stress is directly proportional to ___

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