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 5 of 24

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Q41.
The following proportion of the ingredients of concrete mix, is not in conformation to arbitrary method of proportioning

a.

1 : 1 : 2

b.

1 : 2 : 4

c.

1 : 3 : 6

d.

1 : 4 : 10

Discuss
Answer: (d).1 : 4 : 10
Q42.
The increased cohesiveness of concrete, makes it

a.

less liable to segregation

b.

more liable to segregation

c.

more liable to bleeding

d.

more liable for surface scaling in frosty weather

Discuss
Answer: (a).less liable to segregation
Q43.
The ratio of the length to breadth of a wooden float, is

a.

4.5

b.

5.5

c.

6.5

d.

7.5

Discuss
Answer: (d).7.5
Q44.
The maximum amount of dust which may be permitted in aggregates is

a.

5% of the total aggregates for low workability with a coarse grading

b.

10% of the total aggregates for low workability with a fine grading

c.

20% of the total aggregates for a mix having high workability with fine grading

d.

all the above.

Discuss
Answer: (d).all the above.
Q45.
Proper proportioning of concrete, ensures

a.

desired strength and workability

b.

desired durability

c.

water tightness of the structure

d.

all the above.

Discuss
Answer: (d).all the above.
Q46.
The bulk density of aggregates does not depend upon :

a.

size and shape of aggregates

b.

specific gravity of aggregates

c.

grading of aggregates

d.

size and shape of the container

Discuss
Answer: (d).size and shape of the container
Q47.
Curing

a.

reduces the shrinkage of concrete

b.

preserves the properties of concrete

c.

prevents the loss of water by evaporation

d.

all of the above.

Discuss
Answer: (d).all of the above.
Q48.
While compacting the concrete by a mechanical vibrator, the slump should not exceed

a.

2.5 cm

b.

5.0 cm

c.

7.5 cm

d.

10 cm

Discuss
Answer: (b).5.0 cm
Q49.
Pick up the correct statement from the following:

a.

Segregation is necessary for a workable concrete

b.

Consistency does not affect the workability of concrete

c.

If the slump increases, workability decreases

d.

None of these.

Discuss
Answer: (d).None of these.
Q50.
Specified compressive strengh of concrete is obtained from cube tests at the end of

a.

3 days

b.

7 days

c.

14 days

d.

28 days.

Discuss
Answer: (d).28 days.
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