Strength of Materials Chapter 1 Quiz: Simple Stress & Strain

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If a steel rod of 1 m length has to transmit a force of 15 kN without stretching more than 1 mm, what is the minimum cross-sectional area required?

150 mm2 (correct)

150 m2

75 m2

75 mm2

What is the unit of strain?

No unit

mm (correct)

mm2

N/mm2

What is the proper sequence of the following terms: Proportional limit, elastic limit, yielding, failure?

Proportional limit, elastic limit, yielding, failure (correct)

Elastic limit, proportional limit, yielding, failure

Yielding, proportional limit, elastic limit, failure

None of the above

What is the volumetric strain for a bar subjected to normal stress on all its surfaces?

$E(1-2v)(\sigma_x + \sigma_y + \sigma_z)$ Signup and view all the answers

A bar of length L metres extends by l mm under a tensile force of P. What is the strain produced in the bar?

$\frac{l}{L}$ Signup and view all the answers

If a tensile load of 500 N is applied to a circular rod of diameter 5 mm, what is the approximate normal stress?

25 MPa Signup and view all the answers

In a stress-strain of a material, Hooke's Law is valid up to

Elastic limit Signup and view all the answers

Which among of the following is the most elastic?

Rubber Signup and view all the answers

Poisson's ratio of which of the following materials is nearly zero?

Rubber Signup and view all the answers

If Poisson's ratio for a material is 0.5, then the elastic modulus for the material is

equal to its shear modulus Signup and view all the answers

The stress due to unit strain is

Modulus of elasticity Signup and view all the answers

Young’s modulus, Bulk modulus (K) and shear modulus (G) are related by

$1 × 10^3$ N/mm2 Signup and view all the answers

An alloy wire of 2 mm cross-sectional area and 12 N weight hangs freely under its own weight. The maximum length of the wire, if its extension is not to exceed 0.6mm. Where E = 150 GPa

$E = 30 m$ Signup and view all the answers

The relationship between true strain (εT) and engineering strain (εE) in a uniaxial tension test is given as

$εE = ln (1 + εT)$ Signup and view all the answers

Whenever a material is loaded within elastic limit, stress is _______ strain.

Directly proportional to Signup and view all the answers

If the ratio $G/E = 0.4$, the Poisson’s ratio will be:

0.3 Signup and view all the answers

Strength of Materials Chapter 1 Quiz: Simple Stress & Strain

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Questions and Answers

If a steel rod of 1 m length has to transmit a force of 15 kN without stretching more than 1 mm, what is the minimum cross-sectional area required?

What is the unit of strain?

What is the proper sequence of the following terms: Proportional limit, elastic limit, yielding, failure?

What is the volumetric strain for a bar subjected to normal stress on all its surfaces?

A bar of length L metres extends by l mm under a tensile force of P. What is the strain produced in the bar?

If a tensile load of 500 N is applied to a circular rod of diameter 5 mm, what is the approximate normal stress?

In a stress-strain of a material, Hooke's Law is valid up to

Which among of the following is the most elastic?

Poisson's ratio of which of the following materials is nearly zero?

If Poisson's ratio for a material is 0.5, then the elastic modulus for the material is

The stress due to unit strain is

Young’s modulus, Bulk modulus (K) and shear modulus (G) are related by

An alloy wire of 2 mm cross-sectional area and 12 N weight hangs freely under its own weight. The maximum length of the wire, if its extension is not to exceed 0.6mm. Where E = 150 GPa

The relationship between true strain (εT) and engineering strain (εE) in a uniaxial tension test is given as

Whenever a material is loaded within elastic limit, stress is _______ strain.

If the ratio $G/E = 0.4$, the Poisson’s ratio will be:

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Strength of Materials Chapter 1 Quiz: Simple Stress &amp; Strain

Podcast Beta

Questions and Answers

If a steel rod of 1 m length has to transmit a force of 15 kN without stretching more than 1 mm, what is the minimum cross-sectional area required?

What is the unit of strain?

What is the proper sequence of the following terms: Proportional limit, elastic limit, yielding, failure?

What is the volumetric strain for a bar subjected to normal stress on all its surfaces?

A bar of length L metres extends by l mm under a tensile force of P. What is the strain produced in the bar?

If a tensile load of 500 N is applied to a circular rod of diameter 5 mm, what is the approximate normal stress?

In a stress-strain of a material, Hooke's Law is valid up to

Which among of the following is the most elastic?

Poisson's ratio of which of the following materials is nearly zero?

If Poisson's ratio for a material is 0.5, then the elastic modulus for the material is

The stress due to unit strain is

Young’s modulus, Bulk modulus (K) and shear modulus (G) are related by

An alloy wire of 2 mm cross-sectional area and 12 N weight hangs freely under its own weight. The maximum length of the wire, if its extension is not to exceed 0.6mm. Where E = 150 GPa

The relationship between true strain (εT) and engineering strain (εE) in a uniaxial tension test is given as

Whenever a material is loaded within elastic limit, stress is _______ strain.

If the ratio $G/E = 0.4$, the Poisson’s ratio will be:

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Strength of Materials Chapter 1 Quiz: Simple Stress & Strain