Materials Strength MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Materials Strength, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Materials Strength 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 Materials Strength mcq questions that explore various aspects of Materials Strength problems. Each MCQ is crafted to challenge your understanding of Materials Strength principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Materials Strength MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Materials Strength. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Materials Strength knowledge to the test? Let's get started with our carefully curated MCQs!

Materials Strength MCQs | Page 20 of 24

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Q191.
A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is

a.

50 N at each end

b.

50 N at the centre

c.

100 N at the centre

d.

none of these.

Discuss
Answer: (c).100 N at the centre
Q192.
The following assumption is not true in the theory of pure torsion :

a.

The twist along the shaft is uniform

b.

The shaft is of uniform circular section throughout

c.

Cross-section of the shaft, which is plane before twist remains plane after twist

d.

All radii get twisted due to torsion.

Discuss
Answer: (d).All radii get twisted due to torsion.
Q193.
Pick up the correct assumption of the theory of simple bending

a.

The value of the Young's modulus is the same in tension as well as in compression

b.

Transverse section of a beam remains plane before and after bending

c.

The material of the beam is homogeneous and isotropic

d.

All the above.

Discuss
Answer: (d).All the above.
Q194.
The neutral axis of a beam cross-section must

a.

pass through the centroid of the section

b.

be equidistant from the top of bottom films

c.

be an axis of symmetry of the section

d.

none of these.

Discuss
Answer: (a).pass through the centroid of the section
Q195.
If the beam is supported so that there are only three unknown reactive elements at the supports. These can be determined by using the following fundamental equation of statics

a.

∑H = 0

b.

∑V = 0

c.

∑H = 0; ∑H = 0

d.

∑H = 0; ∑V = 0; ∑M = 0

Discuss
Answer: (d).∑H = 0; ∑V = 0; ∑M = 0
Q196.
In a solid arch, shear force acts

a.

vertically upwards

b.

along the axis of the arch

c.

perpendicular to the axis of arch

d.

tangentially to the arch

Discuss
Answer: (c).perpendicular to the axis of arch
Q197.
A three hinged arch is loaded with an isolated load 1000 kg at a horizontal distance of 2.5 m from the crown, 1 m above the level of hinges at the supports 10 metres apart. The horizontal thrust is

a.

1250 kg

b.

125 kg

c.

750 kg

d.

2500 kg

Discuss
Answer: (a).1250 kg
Q198.
The section modulus of a rectangular section is proportional to

a.

area of the section

b.

square of the area of the section

c.

product of the area and depth

d.

product of the area and width

Discuss
Answer: (a).area of the section
Q199.
The property of a material by which it can be drawn to a smaller section, due to tension, is called

a.

plasticity

b.

ductility

c.

elasticity

d.

malleability.

Discuss
Answer: (b).ductility
Q200.
The distance between the centres of adjacent rivets in the same row, is called

a.

pitch

b.

lap

c.

gauge

d.

staggered pitch.

Discuss
Answer: (a).pitch
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