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 19 of 24

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Q181.
Non-uniform compaction may cause the concrete

a.

porous

b.

non-homogeneous

c.

reduced strength

d.

all the above.

Discuss
Answer: (d).all the above.
Q182.
Log Angles machine is used to test the aggregate for

a.

crushing strength

b.

impact value

c.

abrasion resistance

d.

water absorption

Discuss
Answer: (c).abrasion resistance
Q183.
If fineness modulus of sand is 2.5, it is graded as

a.

very fine sand

b.

fine sand

c.

medium sand

d.

coarse sand

Discuss
Answer: (b).fine sand
Q184.
The dimensions of a 35 litre forma for measuring aggregates by volume, are :

a.

length 30 cm, breadth 25 cm, height 30 cm

b.

length 39 cm, breadth 25 cm, height 32 cm

c.

length 27 cm, breadth 27 cm, height 48 cm

d.

length 220 cm, breadth 25 cm, height 40 cm

Discuss
Answer: (c).length 27 cm, breadth 27 cm, height 48 cm
Q185.
The shuttering of a hall measuring 4 m x 5 m, can be removed after

a.

5 days

b.

7 days

c.

10 days

d.

14 days

Discuss
Answer: (b).7 days
Q186.
Pick up the correct statement from the following:

a.

There should not be any loss of cement from the charged drum of the mixer

b.

Cement should be mixed for at least one minute

c.

10% of water is placed in the rotating drum before adding dry material

d.

All the above.

Discuss
Answer: (d).All the above.
Q187.
If 50 kg of fine aggregates and 100 kg of coarse agregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is

a.

8 kg

b.

10 kg

c.

12 kg

d.

14 kg

Discuss
Answer: (c).12 kg
Q188.
The entrained air in concrete

a.

increases workability

b.

decreases workability

c.

decreases resistance to weathering

d.

increases strength

Discuss
Answer: (a).increases workability
Q189.
Pozzolanic properties exist in

a.

shales

b.

fly ash

c.

pumicite

d.

all the above.

Discuss
Answer: (d).all the above.
Q190.
An aggregate which passes through 25 mm I.S. sieve and is retained on 20 mm sieve, is said to be flaky if its least dimension is less than

a.

22.5 mm

b.

18.5 mm

c.

16.5 mm

d.

13.5 mm.

Discuss
Answer: (d).13.5 mm.
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