Concrete Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Concrete Technology, 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 Concrete Technology 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 Concrete Technology mcq questions that explore various aspects of Concrete Technology problems. Each MCQ is crafted to challenge your understanding of Concrete Technology 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 Concrete Technology 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 Concrete Technology. 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 Concrete Technology knowledge to the test? Let's get started with our carefully curated MCQs!

Concrete Technology MCQs | Page 14 of 24

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Q131.
Pick up the correct statement from the following:

a.

High percentage of C₃S and low percentage of C₂S cause rapid hardening

b.

High percentage of C₃S and low percentage of C₂S make the cement less resistive to chemical attack

c.

Low percentage of C₃S and high percentage of C₂S contribute to slow hardening

d.

All the above.

Discuss
Answer: (d).All the above.
Q132.
The bulk density of aggregates, is generally expressed as

a.

tonnes/cubic metre

b.

kg/cubic metre

c.

kg/litre

d.

g/cm³

Discuss
Answer: (c).kg/litre
Q133.
The grade of concrete M 150 means that compressive strength of a 15 cm cube after 28 days, is

a.

100 kg/cm²

b.

150 kg/cm²

c.

200 kg/cm²

d.

250 kg/cm²

Discuss
Answer: (b).150 kg/cm²
Q134.
Allowable shear strength of concrete, depends upon

a.

shear strength

b.

tensile strength

c.

compressive strength

d.

none of these.

Discuss
Answer: (a).shear strength
Q135.
The most useless aggregate is one whose surface texture is

a.

smooth

b.

granular

c.

glassy

d.

honey combed and porous.

Discuss
Answer: (c).glassy
Q136.
To obtain a very high strength concrete, use very fine grained

a.

Granite

b.

Magnetite

c.

Barite

d.

Volcanic scoria.

Discuss
Answer: (a).Granite
Q137.
For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is

a.

1 : 3 : 6

b.

1 : 1.5 : 3

c.

1 : 2 : 4

d.

1 : 1 : 2

Discuss
Answer: (c).1 : 2 : 4
Q138.
The type of aggregates of same nominal size, which contain less voids when compacted, are

a.

rounded spherical

b.

irregular

c.

flaky

d.

none of these.

Discuss
Answer: (a).rounded spherical
Q139.
For the construction of cement con-certe dams, the maximum permissible size of the aggregates, is

a.

40 mm

b.

50 mm

c.

60 mm

d.

70 mm

Discuss
Answer: (a).40 mm
Q140.
Permissible compressive strength of M 200 concrete grade is

a.

100 kg/cm²

b.

150 kg/cm²

c.

200 kg/cm²

d.

250 kg/cm²

Discuss
Answer: (c).200 kg/cm²
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