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Question (1)

QN0035516

If the load is increased beyond the point, the strain increases rapidly for even a small change in the stress.

(A)
elastic point
(B)
plastic point
(C)
yield point
(D)
fracture point

Correct Answer: B

Explanation:

Yield point is the point, beyond which the wire starts showing increase in strain without any increase in stress.

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Question (2)

QN0035517

The graph given is a stress-strain curve for

(A)
elastic objects
(B)
plastics
(C)
elastomers
(D)
None of these

Correct Answer: C

Explanation:

The given graph does not obey Hooke's law. and there is no well defined plastic region. So the graph represents elastomers.

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Question (3)

QN0035518

The adjacent graph shows the extension of a wire of length suspended from the top of a roof at one end with a load connected to the other end. if the corss-sectional area
of the wire is , calculate the Young's modulus of the material of the wire

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

From the graph

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Question (4)

QN0035519

For the given graph, Hooke's law is obeyed in the region

(A)
(B)
(C)
(D)

Correct Answer: C

Explanation:

Since is a straight line so, stress strain.

Hooke's law is obeyed in the region of the graph.

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Question (5)

QN0035520

If stress/strain is in elastic region and in the region of yield, then

(A)
(B)
(C)
(D)

Correct Answer: B

Explanation:

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Question (1)

If the load is increased beyond the point, the strain increases rapidly for even a small change in the stress.

Explanation:

Link:

Question (2)

The graph given is a stress-strain curve for

Explanation:

Link:

Question (3)

The adjacent graph shows the extension of a wire of length suspended from the top of a roof at one end with a load connected to the other end. if the corss-sectional area
of the wire is , calculate the Young's modulus of the material of the wire

Explanation:

Link:

Question (4)

For the given graph, Hooke's law is obeyed in the region

Explanation:

Link:

Question (5)

If stress/strain is in elastic region and in the region of yield, then

Explanation:

Link:

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OUR POLICY

Question (1)

If the load is increased beyond the point, the strain increases rapidly for even a small change in the stress.

Explanation:

Link:

Question (2)

The graph given is a stress-strain curve for

Explanation:

Link:

Question (3)

The adjacent graph shows the extension of a wire of length suspended from the top of a roof at one end with a load connected to the other end. if the corss-sectional areaof the wire is , calculate the Young's modulus of the material of the wire

Explanation:

Link:

Question (4)

For the given graph, Hooke's law is obeyed in the region

Explanation:

Link:

Question (5)

If stress/strain is in elastic region and in the region of yield, then

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY

The adjacent graph shows the extension of a wire of length suspended from the top of a roof at one end with a load connected to the other end. if the corss-sectional area
of the wire is , calculate the Young's modulus of the material of the wire