Application of Elastic Behaviour of Materials

IMPORTANT

Application of Elastic Behaviour of Materials: Overview

This topic covers concepts, such as, Application of Elastic Behaviour of Materials, Designing a Metal Rope of Crane, Bending in Beams, Buckling in Beams, Design of Columns & Calculation of Maximum Height of Mountain on Earth etc.

Important Questions on Application of Elastic Behaviour of Materials

EASY
IMPORTANT

The buckling of a beam is found to be more if ______.

EASY
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Define the causes that are responsible for bending in beams.

HARD
IMPORTANT

Give any two applications of elastic behaviour of materials and explain them.

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Why the maximum height on earth is ~10 km(The elastic limit for a typical rock is 3×108 N m-2 and the density is about 3×103 kg m-3.)

HARD
IMPORTANT

Why I-shaped steel girders are used for the construction of bridges?

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IMPORTANT

Suppose we want to make a crane, which has a lifting capacity of 10 metric tons. How thick should the steel rope be? (Mild steel has yield strength of about 3×108 N m-2.)

EASY
IMPORTANT

Overhead crane is used for lifting loads and transport to another location.

EASY
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Overhead crane is used for lifting loads and transport to another location.

EASY
IMPORTANT

The material commonly used for crane hooks is_____.

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The minimum diameter provided for the longitudinal bars is

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The strength of the column with helical reinforcement shall be _____ times, the strength of similar column with lateral ties. 

EASY
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What is the minimum value of eccentricity provided in column?

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What is the recommended value of effective length if the column is effectively held in position and fixed against rotation in both end?

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Eccentrically loaded columns have to be designed for combined axial and _____ moments.

EASY
IMPORTANT

A steel bar of length l, breadth b, and depth d loaded at the centre by a load W. The sag δ of c.g is given by

HARD
IMPORTANT

The expression for the sag produced in a beam when it is loaded at the center is given by