Stresses in Members MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Stresses in Members, a fundamental topic in the field of Mechanics of Materials. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Stresses in Members MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Stresses in Members mcq questions that explore various aspects of Stresses in Members problems. Each MCQ is crafted to challenge your understanding of Stresses in Members principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanics of Materials tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Stresses in Members MCQs are your pathway to success in mastering this essential Mechanics of Materials topic.

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Stresses in Members MCQs | Page 1 of 10

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Q1.
Match the following and give the correct code given in options:

a.

A – 1 B – 2 C – 4

b.

A – 1 B – 4 C – 2

c.

A – 3 B – 1 C – 2

d.

A – 3 B – 4 C – 1

Discuss
Answer: (d).A – 3 B – 4 C – 1
Q2.
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

Discuss
Answer: (a).111.408 and 49.5146
Q3.
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

Discuss
Answer: (a).0.127 and 0.0031
Q4.
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

Discuss
Answer: (b).0.183mm
Q5.
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

Discuss
Answer: (c).0.509mm
Q6.
A bar shown in diagram is subjected to load 160kN. If the stress in the middle portion Is limited to 150N/mm², what will be the diameter of the middle portion?

a.

3.456 cm

b.

3.685 cm

c.

4.524 cm

d.

4.124 cm

Discuss
Answer: (b).3.685 cm
Q7.
A member ABCD is subjected to points load P₁=45kN, P₂, P₃=450kN and P₄=130kN. what will be the value of P necessary for equilibrium?

a.

350kN

b.

365kN

c.

375kN

d.

400kN

Discuss
Answer: (b).365kN
Q8.
A tensile rod of 40kN is acting on a rod of diameter 40mm and of length 4m. a bore of diameter 20mm is made centrally on the rod. To what length the rod should be bored so that the total extension will increase 30% under the same tensile load if E = 2×10⁵ N/mm²?

a.

2m

b.

2.7m

c.

3.2m

d.

3.6m

Discuss
Answer: (d).3.6m
Q9.
A bar is subjected to a tensile load of 150kN. If the stress in the middle portion is limited to 160 N/mm², what will be the diameter of the middle portion of the total elongation of the bar is 0.25cm (E= 2 x 10⁵)?

a.

3cm

b.

3.45cm

c.

3.85cm

d.

4cm

Discuss
Answer: (b).3.45cm
Q10.
A bar shown in the diagram below is subjected to load 160kN. If the stress in the middle portion Is limited to 150N/mm², what will be the length of the middle portion, if the total elongation of the bar is to be 0.2mm? Take E = 2.1 x 10⁵ N/mm².

a.

18.45cm

b.

17.24cm

c.

16.45cm

d.

20.71cm

Discuss
Answer: (d).20.71cm
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