Concrete Mix Design MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Concrete Mix Design, 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 Concrete Mix Design 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 Mix Design mcq questions that explore various aspects of Concrete Mix Design problems. Each MCQ is crafted to challenge your understanding of Concrete Mix Design 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 Concrete Mix Design 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 Concrete Mix Design. 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 Mix Design knowledge to the test? Let's get started with our carefully curated MCQs!

Concrete Mix Design MCQs | Page 3 of 6

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Q21.
According to IRC:15-2011, Characteristic Flexural Strength at 28 days is ____________
Discuss
Answer: (b).4.5 N/mm²
Q22.
According to IRC:15-2011 _______% Fly ash is required to be replaced with the total cementitious materials.
Discuss
Answer: (b).20
Q23.
According to IRC:15-2002 _______% Fly ash is required to be replaced with the total cementitious materials.
Discuss
Answer: (c).25
Q24.
According to IRC:15-2002, Maximum nominal size of aggregates is ________
Discuss
Answer: (a).20 mm crushed aggregates
Q25.
According to IRC:15-2011, Maximum nominal size of aggregates is ________
Discuss
Answer: (b).31.5 mm crushed aggregates
Q26.
According to IRC:15-2011, Minimum cement content for 4.5 N/mm² characteristic flexural strength for OPC _____________
Discuss
Answer: (a).Shall not be less than 360 kg/m³
Q27.
According to IRC:15-2011, Minimum cement content for 4.5 N/mm² characteristic flexural strength for PPC _________
Discuss
Answer: (b).Shall not be less than 425 kg/m³
Q28.
According to IRC:15-2011, Minimum cement content for 4.5 N/mm² characteristic flexural strength for OPC + fly ash mix OPC ____________
Discuss
Answer: (c).Shall not be less than 340 kg/m³
Q29.
According to IRC:15-2011, maximum free W/C ratio for OPC is ________________
Discuss
Answer: (a).0.45
Q30.
According to IRC:15-2011, maximum free W/C ratio for PPC is _________
Discuss
Answer: (c).0.5
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