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.

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Testing of Concrete MCQs | Page 3 of 6

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Q21.
What is flexural strength?

a.

The stress value obtained when the peak load value is used in the equation of modulus of rupture

b.

The stress value representing the average flexural strength in the post peak region up to a specified deflection of L/n obtained when Pe,n is used in the equation of modulus of rupture

c.

The load value representing the average load-carrying capacity in the post peak region up to a specified deflection of L/n

d.

Value of the mean equivalent flexural strength normalized with respect to mean flexural strength

Discuss
Answer: (a).The stress value obtained when the peak load value is used in the equation of modulus of rupture
Q22.
What is equivalent flexural load?

a.

The stress value obtained when the peak load value is used in the equation of modulus of rupture

b.

The stress value representing the average flexural strength in the post peak region up to a specified deflection of L/n obtained when Pe,n is used in the equation of modulus of rupture

c.

The load value representing the average load-carrying capacity in the post peak region up to a specified deflection of L/n

d.

Value of the mean equivalent flexural strength normalized with respect to mean flexural strength

Discuss
Answer: (c).The load value representing the average load-carrying capacity in the post peak region up to a specified deflection of L/n
Q23.
What is equivalent flexural strength?

a.

The stress value obtained when the peak load value is used in the equation of modulus of rupture

b.

The stress value representing the average flexural strength in the post peak region up to a specified deflection of L/n obtained when Pe,n is used in the equation of modulus of rupture

c.

The load value representing the average load-carrying capacity in the post peak region up to a specified deflection of L/n

d.

Value of the mean equivalent flexural strength normalized with respect to mean flexural strength

Discuss
Answer: (b).The stress value representing the average flexural strength in the post peak region up to a specified deflection of L/n obtained when Pe,n is used in the equation of modulus of rupture
Q24.
What is equivalent flexural strength ratio?

a.

The stress value obtained when the peak load value is used in the equation of modulus of rupture

b.

The stress value representing the average flexural strength in the post peak region up to a specified deflection of L/n obtained when Pe,n is used in the equation of modulus of rupture

c.

The load value representing the average load-carrying capacity in the post peak region up to a specified deflection of L/n

d.

Value of the mean equivalent flexural strength normalized with respect to mean flexural strength

Discuss
Answer: (d).Value of the mean equivalent flexural strength normalized with respect to mean flexural strength
Q25.
Calipers, capable of reading the dimensions of test specimens to an accuracy of ____________

a.

1 mm

b.

0.1 mm

c.

10 mm

d.

0.5 mm

Discuss
Answer: (b).0.1 mm
Q26.
Rule (ruler/scale), capable of reading the dimensions of test specimens to an accuracy of ________

a.

1 mm

b.

0.1 mm

c.

10 mm

d.

0.5 mm

Discuss
Answer: (a).1 mm
Q27.
Load measuring device shall be capable of measuring loads to an accuracy of ___________

a.

1 N

b.

10 N

c.

1 KN

d.

10 KN

Discuss
Answer: (b).10 N
Q28.
The tolerances on the cross-section of the test specimens shall be within ± ____________

a.

1%

b.

2%

c.

3%

d.

5%

Discuss
Answer: (b).2%
Q29.
The flexural strength (or modulus of rupture) is obtained for the first peak load, Pmax as _______________

a.

Pmax * L/bd²

b.

Pmax/Ld²

c.

Pmax * L/bd

d.

Pmax/L/bd²

Discuss
Answer: (a).Pmax * L/bd²
Q30.
A data acquisition system capable of digitally recording and storing load and deflection data at least ___________

a.

1 times per sec

b.

5 times per sec

c.

10 times per sec

d.

15 times per sec

Discuss
Answer: (c).10 times per sec
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