(SEM VI) THEORY EXAMINATION 2022-23 MODERN CONSTRUCTION MATERIALS

Course: B.Tech (Semester VI)

Subject: Modern Construction Materials

Subject Code: KCE-052

Duration: 3 Hours

Maximum Marks: 100

Instructions: Attempt all sections. Assume suitable data wherever required.

Section A — Short Answer Questions (2 × 10 = 20 Marks)

Answer all questions briefly:

Which modern material is used in modern architecture?

What are the advantages of modern building materials?

What are the applications of Geosynthetics?

State the advantage of lightweight concrete.

What is Ferrocement?

What are polymers?

List the chemicals used in anti-corrosive coatings.

Define sulphur concrete.

List water-proofing materials.

Name modern insulating materials.

Section B — Descriptive Questions (10 × 3 = 30 Marks)

Attempt any three of the following:

Discuss the properties, applications, and advantages of Fiber Reinforced Concrete (FRC).

Why are geosynthetics used in soil improvement? Discuss their major applications.

Critically compare different modern flooring materials.

How do polymers affect the properties of construction materials? Explain their uses.

Write an explanatory note on the features and applications of intelligent and smart materials in modern construction.

Section C — Long Answer Questions (10 × 5 = 50 Marks)

Attempt one part from each question:

Q3.
(a) Properties and uses of Calcium Silicate Bricks, or
(b) Properties of Jute Fiber Polymer Composite Materials.

Q4.
(a) Types of coatings on reinforcement bars, or
(b) Different waste materials used in concrete (explain one in detail).

Q5.
(a) Discussion on waste material-based concrete, or
(b) Possible water-cement ratio for high-strength concrete and factors affecting its density.

Q6.
(a) Use of Fiber Reinforced Polymer (FRP) in construction and definition of Carbon FRP, or
(b) Concept and properties of Sulphur Infiltrated Concrete.

Q7.
(a) What are the most efficient materials and modern methods of insulation, or
(b) Differentiate organic and inorganic insulators and list common sound insulators.