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 16 of 24

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Q151.
Water cement ratio is generally expressed in volume of water required per

a.

10 kg

b.

20 kg

c.

30 kg

d.

50 kg

Discuss
Answer: (d).50 kg
Q152.
Pick up the incorrect statement from the following:

a.

Tricalcium silicate (C₃S) hydrates rapidly

b.

Tricalcium silicate (C₃S) generates more heat of hydration

c.

Tricalcium silicate (C₃S) develops early strength

d.

Tricalcium silicate (C₃S) has more resistance to sulphate attack

Discuss
Answer: (d).Tricalcium silicate (C₃S) has more resistance to sulphate attack
Q153.
In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for

a.

20 times

b.

25 times

c.

30 times

d.

40 times

Discuss
Answer: (b).25 times
Q154.
If the average compressive strength is 4000 kg/cm² and standard deviation is 500, the co-efficient of variation is

a.

10%

b.

12.5%

c.

15%

d.

18.5 %

Discuss
Answer: (b).12.5%
Q155.
For preparing ordinary concrete, the quantity of water used, is

a.

5% by weight of aggregates plus 20% of weight of cement

b.

10% by weight of aggregates plus 10% of weight of cement

c.

5% by weight of aggregates plus 30% of weight of cement

d.

30% by weight of aggregates plus 10% of weight of cement

Discuss
Answer: (c).5% by weight of aggregates plus 30% of weight of cement
Q156.
Pick up the incorrect statement from the following:

a.

Space between the exterior walls of a warechouse and bag piles should be 30 cm

b.

Cement bags should preferably be piled on wooden planks

c.

Cement bags should be placed such that bags of one layer does not touch the bags of the adjacent layer

d.

None of these.

Discuss
Answer: (d).None of these.
Q157.
For the construction of the retaining structures, the type of concrete mix to be used, is

a.

1 : 3 : 6

b.

1 : 2 :4

c.

1 : 1.5 : 3

d.

1 : l : 2

Discuss
Answer: (c).1 : 1.5 : 3
Q158.
An ideal ware house, is provided

a.

water proof masonry walls

b.

water proof roof

c.

few windows which remain generally closed

d.

all the above.

Discuss
Answer: (d).all the above.
Q159.
Cement used for normal concrete construction, is obtained by burning a mixture of

a.

silicious and argillaceous materials

b.

argilaceous and calcareous materials

c.

silicious and catcareous materials

d.

silicious, argillaceous and calcareous materials

Discuss
Answer: (d).silicious, argillaceous and calcareous materials
Q160.
Pick up the correct statement from the following:

a.

The concrete gains strength due to hydration of cement

b.

The concrete cured at a temperature below 23°C, gains strength up to 28 days

c.

The concrete does not set at freezing point

d.

All the above.

Discuss
Answer: (d).All the above.
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