First slide

Elastic Modulie

Question

The stress-strain curves for brass, steel and rubber are shown in the figure. The lines A, B and, C are for

Moderate

A

Rubber, brass and steel respectively
B

Brass, steel and rubber respectively
C

Steel, brass and rubber respectively
D

Steel, rubber and brass respectively

Solution

$Y = \tan θ . According to figure θ_{A} > θ_{B} > θ_{C}$
$i . e ., \tan θ_{A} > \tan θ_{B} > \tan θ_{C}$
or $Y_{A} > Y_{B} > Y_{C}$
$∴$ A, B and C graph are for steel, brass and rubber respectively.

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