In a stress-strain diagram as shown in the below figure, the curve ‘A’ represents<br> <img src="/images/question-image/mechanical-engineering/strength-of-materials/1528355115-32.JPG" title="Strength of Materials mcq question image" alt="Strength of Materials mcq question image">

In a stress-strain diagram for mild steel, as shown in the below figure, the point ‘A’ represents
Strength of Materials mcq question image

A

Elastic limit

B

Upper yield point

C

Lower yield point

D

Breaking point

For the beam shown in the below figure, the shear force diagram between A and B is
Strength of Materials mcq question image

A

A horizontal line

B

A vertical line

C

An inclined line

D

A parabolic curve

In the below figure, curve D represents_________.
Strength of Materials mcq question image

A

Mild steel

B

Cast iron

C

Concrete

D

Bone of these

A simply supported beam with a gradually varying load from zero at ‘B’ and ‘w’ per unit length at ‘A’ is shown in the below figure. The shear force at ‘B’ is equal to
Strength of Materials mcq question image

A

$$\frac{{{\text{w}}l}}{6}$$

B

$$\frac{{{\text{w}}l}}{3}$$

C

$${\text{w}}l$$

D

$$\frac{{2{\text{w}}l}}{3}$$

The layer at the center of gravity of the beam as shown in the below figure, will be
Strength of Materials mcq question image

A

In tension

B

In compression

C

Neither in tension nor in compression

D

None of these

The lower layer of the beam as shown in the below figure, will be
Strength of Materials mcq question image

A

In tension

B

In compression

C

Neither in tension nor in compression

D

None of these

The maximum bending moment for the beam shown in the below figure, lies at a distance of ________ from the end B.
Strength of Materials mcq question image

A

$$\frac{l}{2}$$

B

$$\frac{l}{3}$$

C

$$\frac{l}{{\sqrt 2 }}$$

D

$$\frac{l}{{\sqrt 3 }}$$

The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is
Strength of Materials mcq question image

A

10 MPa

B

30 MPa

C

50 MPa

D

100 MPa

For the beam shown in the below figure, the shear force at A is equal to
Strength of Materials mcq question image

A

$$\frac{{{\text{w}}l}}{6}$$

B

$$\frac{{{\text{w}}l}}{3}$$

C

$${\text{w}}l$$

D

$$\frac{{2{\text{w}}l}}{3}$$

The maximum bending moment for the beam shown in the below figure, is
Strength of Materials mcq question image

A

$$\frac{{{\text{w}}{l^2}}}{{3\sqrt 3 }}$$

B

$$\frac{{{\text{w}}{l^2}}}{{6\sqrt 3 }}$$

C

$$\frac{{{\text{w}}{l^2}}}{{9\sqrt 3 }}$$

D

$$\frac{{{\text{w}}{l^2}}}{{12\sqrt 3 }}$$

In a stress-strain diagram as shown in the below figure, the curve ‘A’ represents

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