Aggregates and Testing of Aggregates MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Aggregates and Testing of Aggregates, 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 Aggregates and Testing of Aggregates 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 Aggregates and Testing of Aggregates mcq questions that explore various aspects of Aggregates and Testing of Aggregates problems. Each MCQ is crafted to challenge your understanding of Aggregates and Testing of Aggregates 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 Aggregates and Testing of Aggregates MCQs are your pathway to success in mastering this essential Concrete Technology topic.

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Aggregates and Testing of Aggregates MCQs | Page 6 of 8

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Q51.
For majority of aggregates, the coefficient of thermal expansion lies between approximately ____________

a.

5.4 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C

b.

10.8 * 10⁻⁶ and 16.2 * 10⁻⁶ per °C

c.

5.4 * 10⁻⁶ and 10.8 * 10⁻⁶ per °C

d.

10.8 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C

Discuss
Answer: (a).5.4 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C
Q52.
For hydrated Portland cement, the coefficient of thermal expansion lies between approximately ____________

a.

5.4 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C

b.

10.8 * 10⁻⁶ and 16.2 * 10⁻⁶ per °C

c.

5.4 * 10⁻⁶ and 10.8 * 10⁻⁶ per °C

d.

10.8 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C

Discuss
Answer: (b).10.8 * 10⁻⁶ and 16.2 * 10⁻⁶ per °C
Q53.
The linear thermal coefficient of expansion lies between approximately ____________

a.

5.4 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C

b.

10.8 * 10⁻⁶ and 16.2 * 10⁻⁶ per °C

c.

5.8 * 10⁻⁶ and 14 * 10⁻⁶ per °C

d.

10.8 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C

Discuss
Answer: (c).5.8 * 10⁻⁶ and 14 * 10⁻⁶ per °C
Q54.
The specific heat of the aggregates is _____________

a.

The ability to conduct the heat

b.

The ability to insulate the heat

c.

Is a measure of its heat capacity

d.

Same as thermal conductivity

Discuss
Answer: (c).Is a measure of its heat capacity
Q55.
The thermal conductivity of the aggregates is ______________

a.

The ability to conduct the heat

b.

The ability to insulate the heat

c.

Is a measure of its heat capacity

d.

Same as thermal conductivity

Discuss
Answer: (a).The ability to conduct the heat
Q56.
The coefficient of thermal expansion affects the heat resistance.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q57.
In crushing test, dry aggregates passing through ________ mm sieve and retained ________ mm in a cylinder.

a.

12.5, 10

b.

11.5, 10

c.

12.5, 11.5

d.

10, 2.36

Discuss
Answer: (a).12.5, 10
Q58.
According to IS: 2386 part-IV, each layer is tamped ________ times in crushing test.

a.

20

b.

25

c.

30

d.

10

Discuss
Answer: (b).25
Q59.
A value less than 10 signifies an exceptionally _________ while above 35 would normally be regarded as _________

a.

Strong aggregates, weak aggregates

b.

Weak aggregates, strong aggregates

c.

Strong aggregates, strong aggregates

d.

Weak aggregates, weak aggregates

Discuss
Answer: (a).Strong aggregates, weak aggregates
Q60.
Los Angeles machine consists of circular drum of internal diameter ________ mm and length ________ mm.

a.

700, 700

b.

520, 520

c.

520, 700

d.

700, 520

Discuss
Answer: (d).700, 520
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