Strength Of Materials MCQ Questions & Answers | Mechanical Engineering Page-5 section-5

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41.
In compression test, the fracture in cast iron specimen would occur along

A. The axis of load

B. An oblique plane

C. At right angles to the axis of specimen

D. Would not occur

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42.
A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of

A. $$\frac{1}{{\text{d}}}$$

B. $$\frac{1}{{\text{D}}}$$

C. $$\frac{{\text{D}}}{{\text{d}}}$$

D. $$\frac{{\text{d}}}{{\text{D}}}$$

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43.
A fixed beam is one which is fixed at _________.

A. One of its ends

B. Both of its ends

C. The middle

D. None of these

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44.
For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.

A. Equal to

B. Directly proportional to

C. Inversely proportional to

D. None of these

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45.
The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by

A. $${\text{C}} = \frac{{{\text{mE}}}}{{2\left( {{\text{m}} + 1} \right)}}$$

B. $${\text{C}} = \frac{{2\left( {{\text{m}} + 1} \right)}}{{{\text{mE}}}}$$

C. $${\text{C}} = \frac{{2{\text{mE}}}}{{\left( {{\text{m}} + 1} \right)}}$$

D. $${\text{C}} = \frac{{\left( {{\text{m}} + 1} \right)}}{{2{\text{mE}}}}$$

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Strength Of Materials MCQ Questions & Answers | Mechanical Engineering

41. In compression test, the fracture in cast iron specimen would occur along

Answer & Solution

42. A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of

Answer & Solution

43. A fixed beam is one which is fixed at _________.

Answer & Solution

44. For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.

Answer & Solution

45. The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by

Answer & Solution

Read More Section(Strength of Materials in ME)

41.
In compression test, the fracture in cast iron specimen would occur along

42.
A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of

43.
A fixed beam is one which is fixed at _________.

44.
For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.

45.
The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by