Explore topic-wise MCQs in Strength of Materials Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Strength of Materials Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

A composite bar of two sections of equal length and given diameter is under an axial pull of 15kN. What will be the stresses in the two sections in N/mm2?

A. 190.9 and 84.88
B. 190.9 and 44.35
C. 153.45 and 84088
D. 153045 and 44.35
Answer» B. 190.9 and 44.35
2.

An axial pull of 20 kN on a bar of two equal lengths of 20cm as shown with their respective dimensions. What will be the total extension of the bar if the young’s modulus = 2×105?

A. 0.200mm
B. 0.345mm
C. 0.509mm
D. 0.486mm
Answer» D. 0.486mm
3.

An axial pull of 35000 N on a bar consisting of two lengths as shown with their respective dimensions. What will be the total extension of the bar if the young’s modulus = 2.1 x 105?

A. 0.153mm
B. 0.183mm
C. 0.197mm
D. 0.188mm
Answer» C. 0.197mm
4.

An axial pull of 1kN is acting on a bar of consisting two equal lengths as shown but of dia 10cm and 20cm respectively. What will be the stresses in the two sections respectively in N/mm2?

A. 0.127 and 0.0031
B. 0.034 and 0.0045
C. 0.153 and 0.003
D. 0.124 and 0.124
Answer» B. 0.034 and 0.0045
5.

An axial pull of 35000 N is acting on a bar consisting of two lengths as shown with their respective dimensions. What will be the stresses in the two sections respectively in N/mm2?

A. 111.408 and 49.5146
B. 111.408 and 17.85
C. 97.465 and 49.5146
D. 97.465 and 34.263
Answer» B. 111.408 and 17.85