Code: mteCivil Engineering3rd Semester4 Examination Papers

Materials, Testing & Evaluation

Official Bihar Engineering University examination question papers, marks distribution, and questions transcript. Available exam sessions: 2025, 2024, 2023, 2022.

Exam Year:

Get Instant AI Answers on this Paper

Open BEU Connect Android app to solve any numerical or derive formulas step by step.

Ask AI in App
Official Exam Paper TranscriptB.Tech 3rd Semester Examination, 2025
Bihar Engineering University, Patna
B.Tech 3rd Semester Examination, 2025

Materials, Testing & Evaluation

Time: 03 HoursCode: 101306Course: B.TechFull Marks: 70

Instructions:

  1. The marks are indicated in the right-hand margin.
  2. There are NINE questions in this paper.
  3. Attempt FIVE questions in all.
  4. Question No. 1 is compulsory.
Q.1 Choose the correct option / answer the following (Any seven question only):[2 x 7 = 14]

  1. The main compound responsible for early strength of cement is

    1. C2S
    2. C3S
    3. C3A
    4. C4AF

  2. Graphene is known for

    1. Poor electrical conductivity
    2. Brittleness only
    3. High strength and conductivity
    4. High porosity

  3. True stress is calculated using

    1. Original area
    2. Average area
    3. Reduced instantaneous area
    4. Gauge length

  4. Hooke's law is valid up to

    1. Yield point
    2. Elastic limit
    3. Fracture point
    4. Ultimate load

  5. In a tensile test, ductility is measured by

    1. Hardness number
    2. % elongation
    3. Modulus of elasticity
    4. Poisson's ratio

  6. Creep becomes significant in metals at

    1. Low temperature only
    2. Room temperature only
    3. Elevated temperature under constant stress
    4. Zero stress

  7. Fatigue failure occurs due to

    1. Static overload
    2. Corrosion only
    3. Repeated cyclic loading
    4. Compression only

  8. The transition temperature phenomenon is mainly associated with

    1. Aluminum
    2. Mild steel
    3. Copper
    4. Rubber

  9. Fracture toughness indicates resistance to

    1. Wear
    2. Corrosion
    3. Crack propagation
    4. Thermal expansion

  10. The modulus of resilience is the energy absorbed within

    1. Plastic range
    2. Creep zone
    3. Elastic range
    4. Necking zone
Q.2 Solve both questions :[14]

  1. Analyze the role of major cement compounds in strength development and setting behavior of cement.

  2. Evaluate the suitability of high-performance concrete and lightweight concrete for high-rise structures.

Q.3 Solve both questions :[14]

  1. What is fatigue failure? Explain S-N curve and factors affecting fatigue life.

  2. Evaluate the effectiveness of geo-textiles in soil stabilization, filtration and drainage systems.

Q.4 Solve both questions :[14]

  1. Examine the functional requirements of paints and varnishes for protection of steel structures in aggressive environments.

  2. Explain plastic deformation of metals and strain hardening phenomenon.

Q.5 Solve both questions :[14]

  1. Explain and evaluate the tensile testing procedure for brittle, quasi-brittle and ductile materials.

  2. Compare and evaluate fracture toughness of brittle and ductile materials.

Q.6 Solve both questions :[14]

  1. What are acoustical materials? Discuss their characteristics and uses in buildings.

  2. Describe properties and engineering applications of ceramics and refractories.

Q.7 Solve both questions :[14]

  1. Evaluate the role of fracture mechanics in preventing catastrophic structural failures.

  2. What is M-Sand? Compare M-Sand with natural river sand.

Q.8 Solve both questions :[14]

  1. Compare and justify the selection of Brinell, Rockwell and Vickers hardness tests for different materials.

  2. Discuss engineering properties and future applications of graphene and carbon composites.

Q.9 Write short note on any two of the following:[7 x 2 = 14]

  1. Bitumen and asphaltic materials used in pavement construction

  2. Properties of lightweight concrete and high-performance concrete

  3. Rubber, asbestos, laminates and adhesives

  4. Engineering stress-strain curve and true stress-strain curve

Related Official Syllabus

Materials, Testing & Evaluation

101306

Official BEU curriculum units & topics for this examination subject.

Unit 1.0: Introduction to Engineering Materials

Cements • M-Sand • Concrete (plain, reinforced and steel fibre/ glass fibre-reinforced, light-weight concrete, High Performance Concrete, Polymer Concrete) • Ceramics and Refractories • Bitumen and asphaltic materials • Timbers • Glass and Plastics • Structural Steel and other Metals

Unit 2.0: Specialized Materials

Paints and Varnishes • Acoustical material and geo-textiles • Rubber and asbestos • Laminates and adhesives • Graphene • Carbon composites and other engineering materials including properties and uses of these

Unit 3.0: Introduction to Material Testing

What is the "Material Engineering"? • Mechanical behavior and mechanical characteristics • Elasticity: principle and characteristics • Plastic deformation of metals • Tensile test: standards for different material (brittle, quasi-brittle, elastic and so on) • True stress: strain interpretation of tensile test

Unit 4.0: Advanced Material Testing

Hardness tests • Bending and torsion test • Strength of ceramic • Internal friction • Creep: fundaments and characteristics • Brittle fracture of steel: temperature transition approach • Background of fracture mechanics • Discussion of fracture toughness testing: different materials • Concept of fatigue of materials • Structural integrity assessment procedure and fracture mechanics

Unit 5.0: Standard Testing & Evaluation Procedures

Laboratory for mechanical testing • Discussion about mechanical testing • Naming systems for various irons, steels and nonferrous metals • Discussion about elastic deformation • Plastic deformation • Impact test and transition temperatures

View Complete 3rd Semester Syllabus

Prepare Better with BEU Connect

  • Download papers for 100% offline study
  • Ask AI for step-by-step problem breakdown
  • Attempt official GATE CBT mock tests
  • Calculate SGPA and track attendance
Download Android App