Testing of Concrete MCQs

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

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Testing of Concrete. 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 Testing of Concrete knowledge to the test? Let's get started with our carefully curated MCQs!

Testing of Concrete MCQs | Page 2 of 6

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Q11.
The slump would not exceed 50 mm when compacting concrete with vibrators.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q12.
When vibrators are used for compaction, the consistency of concrete depends upon the ___________

a.

Type of mix

b.

Efficiency of vibrator

c.

Placing conditions

d.

Type of mix, efficiency of vibrator, pacing conditions

Discuss
Answer: (d).Type of mix, efficiency of vibrator, pacing conditions
Q13.
Which of the following statement is correct while compacting concrete with vibrators?

a.

The vibrator should be inserted horizontally

b.

The vibrator should not be immersed through a full depth of freshly laid concrete

c.

The vibrator should not touch the form surface

d.

The vibrator should touch the form surface

Discuss
Answer: (c).The vibrator should not touch the form surface
Q14.
The levelling operation that removes humps and hollows and give a true, uniform concrete surface is called ____________

a.

Screeding

b.

Floating

c.

Troweling

d.

Compacting

Discuss
Answer: (a).Screeding
Q15.
The final operation of finishing the concrete surface is called _____________

a.

Screeding

b.

Floating

c.

Troweling

d.

Compacting

Discuss
Answer: (c).Troweling
Q16.
The process of removing the irregularities from the surface of concrete left after screeding is called floating.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q17.
The process of hardening the concrete mixes by keeping its surface moist for a certain period is called ____________

a.

Curing

b.

Floating

c.

Troweling

d.

Compacting

Discuss
Answer: (a).Curing
Q18.
After the curing of 28 days, the concrete gains strength upto _____________

a.

40%

b.

60%

c.

80%

d.

100%

Discuss
Answer: (d).100%
Q19.
The construction joints in cement concrete ___________

a.

Should be located where bending moment is large

b.

Should be located where shear force is large

c.

Should not be provided at the corners

d.

Should be spaced at a distance of 3 m apart in case of huge structures

Discuss
Answer: (c).Should not be provided at the corners
Q20.
For compacting large sections of mass concrete in structures, the type of vibrator used is ________________

a.

Internal vibrator

b.

External vibrator

c.

Screed vibrator

d.

Internal and Screed vibrator

Discuss
Answer: (a).Internal vibrator
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