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 23 of 24

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Q221.
Horizontal construction joints in concrete walls are generally provided at

a.

soffit level

b.

window sill level

c.

floor level

d.

all the above.

Discuss
Answer: (d).all the above.
Q222.
Pick up the correct statement from the following:

a.

Construction joints in columns are provided a few cm below the junction of beam

b.

Construction joints in columns are provided at the bottom haunching

c.

Construction joints in beams and slabs are provided within middel third

d.

All the above.

Discuss
Answer: (d).All the above.
Q223.
For a concrete mix 1:3:6 and water cement ratio 0.6 both by weight, the quantity of water required per bag, is

a.

10 kg

b.

12 kg

c.

14 kg

d.

16 kg

Discuss
Answer: (c).14 kg
Q224.
Pick up the incorrect statement from the following:

a.

Workability of the concrete mix decreases with an increase in the moisture content

b.

Concrete for which preliminary tests are conducted, is called controlled concrete

c.

Bulking of sand depends upon the fineness of grains

d.

All the above.

Discuss
Answer: (d).All the above.
Q225.
Sand generally contains salt if it is obtained from:

a.

nala beds

b.

river beds

c.

sea beds

d.

all the above

Discuss
Answer: (c).sea beds
Q226.
The impurity of mixing water which affects the setting time and strength of concrete, is

a.

sodium sulphates

b.

sodium chlorides

c.

sodium carbonates and bicarbonates

d.

calcium chorides

Discuss
Answer: (c).sodium carbonates and bicarbonates
Q227.
Pick up the correct statement from the following:

a.

Continuous grading is not necessary for obtaining a minimum of air voids

b.

The omission of a certain size of aggregate is shown by a straight horizontal line on the grading curve

c.

The omission of a certain size of aggregate in concrete increases the workability but also increases the liability to segregation

d.

All the above.

Discuss
Answer: (d).All the above.
Q228.
Di-calcium silicate (C₂S)

a.

hydrates rapidly

b.

generates less heat of hydration

c.

hardens rapidly

d.

provides less ultimate strength to cement

Discuss
Answer: (b).generates less heat of hydration
Q229.
A concrete using an air entrained cement

a.

has strength less than 10% to 15%

b.

has more resistance to weathering

c.

is more plastic and workable

d.

is free from segregation and bleeding

Discuss
Answer: (c).is more plastic and workable
Q230.
Pick up the correct statement from the following:

a.

The maximum size of a coarse aggregate, is 75 mm and minimum 4.75 mm

b.

The maximum size of the fine aggregate, is 4.75 mm and minimum 0.075 mm

c.

The material having particles of size varying from 0.06 mm to 0.002 mm, is known as silt

d.

All the above.

Discuss
Answer: (d).All the above.
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