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 4 of 10

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Q31.
During a tensile test on a ductile material ____________

a.

Nominal stress at fracture is higher than the ultimate stress

b.

True stress at fracture is higher than the ultimate stress

c.

True stress a fracture is the same as the ultimate stress

d.

None of the mentioned

Discuss
Answer: (b).True stress at fracture is higher than the ultimate stress
Q32.
When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called ____________

a.

Shear stress

b.

Compressive stress

c.

Tensile stress

d.

Transverse stress

Discuss
Answer: (c).Tensile stress
Q33.
Which of the following stresses are associated with the tightening of a nut on a bolt?

P. Tensile stress due to the streching of bolt
Q. Bending stress due to the bending of bolt
R. Torsional shear stress due to frictional resistance between the nut and the bolt

Select the correct answer using the codes given below.

a.

P and Q

b.

P and R

c.

Only P

d.

R and Q

Discuss
Answer: (a).P and Q
Q34.
In a tensile test, near the elastic limit zone ____________

a.

Tensile stress increases in linear proportion to the stress

b.

Tensile stress increases at a faster rate

c.

Tensile stress decreases at a faster rate

d.

None of the mentioned

Discuss
Answer: (c).Tensile stress decreases at a faster rate
Q35.
The phenomenon of slow growth of strain under a steady tensile stress is called ____________

a.

Yielding

b.

Creeping

c.

Breaking

d.

None of the mentioned

Discuss
Answer: (b).Creeping
Q36.
A rod 150cm long and of diameter 2cm is subjected to an axial pull of 20kN. What will be the stress?

a.

60 N/mm²

b.

65 N/mm²

c.

63.6 N/mm²

d.

71.2 N/mm²

Discuss
Answer: (c).63.6 N/mm²
Q37.
The stress in a rod is 70 N/mm² and the modulus of elasticity is 2 x 10⁵ N/mm². what will be the strain in the rod?

a.

0.00052

b.

0.00035

c.

0.00030

d.

0.00047

Discuss
Answer: (b).0.00035
Q38.
What will be the minimum diameter of a steel wire, which is used to raise a load of 4000N if the stress in the rod is not to exceed 95 MN/m²?

a.

6mm

b.

6.4mm

c.

7mm

d.

7.3mm

Discuss
Answer: (d).7.3mm
Q39.
A tensile test was conducted on mild steel bar. The load at elastic limit was 250kN and the diameter of the steel bar was 3cm. What will be the value of stress?

a.

35368 x 10⁴ N/m²

b.

32463 x 10⁴ N/m²

c.

35625 x 10⁴ N/m²

d.

37562 x 10⁴ N/m²

Discuss
Answer: (a).35368 x 10⁴ N/m²
Q40.
For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter _____________

a.

D/2

b.

D/3

c.

D/4

d.

D/8

Discuss
Answer: (c).D/4
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