Explore topic-wise MCQs in Strength of Materials.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Strength of Materials knowledge and support exam preparation. Choose a topic below to get started.

1.

If the given forces P1, P2, P3, P4,and P5 which are co planar and concurrent are such that the force polygon does not close, then the system will

A. Be in equilibrium
B. Always reduce to a resultant force
C. Always reduce to a couple
D. Always be in equilibrium and will always reduce to a couple
Answer» C. Always reduce to a couple
Discussion
2.

A composite bar of two sections of each of length 100mm, 150mm. When force is applied, all the sections causes an elongation of 0.1mm. What will the resultant strain in the bar?

A. 0.0016
B. 0.00154
C. 0.00256
D. 0.0020
Answer» B. 0.00154
Discussion
3.

A brass bar, having cross sectional area of 150mm2, is subjected to axial force of 50kN. What will be the total strain of bar if E= 1.05 x 104 N/mm2?

A. 0.062mm
B. 0.025mm
C. 0.068mm
D. 0.054mm
Answer» E.
Discussion
4.

A bar having two sections of cross sectional area of 100mm2 and 200mm2 respectively. The length of both the sections is 200mm. What will be the total strain in the bar if it is subjected to axial force of 100kN and E = 105 N/mm2?

A. 0.010
B. 0.015
C. 0.020
D. 0.030
Answer» C. 0.020
Discussion
5.

A composite bar having two sections of cross-sectional area 100mm2 and 200mm2 respectively. The length of both the sections is 100mm. What will be the total elongation of bar if it is subjected to axial force of 100kN and E = 105 N/mm2?

A. 1.0
B. 1.25
C. 1.5
D. 2.0
Answer» D. 2.0
Discussion
6.

A brass bar, having cross sectional area of 100mm2, is subjected to axial force of 50kN. The length of two sections is 100mm and 200mm respectively. What will be the total elongation of bar if E = 1.05 x 105 N/mm2 ?

A. 1.21mm
B. 2.034mm
C. 2.31mm
D. 1.428mm
Answer» E.
Discussion