JNTU
JNTU B.Tech II BUILDING MATERIALS, CONSTRUCTION AND PLANNING Previous Question Paper (May - 2019 - R16)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.
Part A
Explain the basis of classification of plastics.
Answer
Plastics are primarily classified based on their thermal behavior into two categories: Thermoplastics, which soften upon heating and harden on cooling, allowing for reshaping, and Thermosetting plastics, which undergo a chemical change during molding and cannot be reshaped by heating.
Explain the classification of building stones.
Answer
Building stones are classified into three categories: Geological classification (Igneous, Sedimentary, and Metamorphic), Physical classification (Stratified and Unstratified), and Chemical classification (Siliceous, Argillaceous, and Calcareous).
List out the chemical composition of OPC.
Answer
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What are the functions of admixtures in concrete production?
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Differentiate between an arch and a lintel.
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What are the general principles to be followed for providing damp-proof course in a building?
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What are the various defects in painting work?
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What are the methods of preparation of lime mortar?
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What are the basic parts of a building?
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Explain the lighting requirements of rooms of a building.
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Part B
Explain the various operations involved in the manufacture of bricks.
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Explain the classification of glass and various treatments required to be given to glass.
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Discuss the application of various mineral and chemical admixtures in the concrete preparation.
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Discuss the phenomenon of hydration of cement and explain the dry process of manufacturing of OPC.
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Explain the classification of roofs and the construction of flat roof.
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Explain the characteristics of sound absorbing material and the factors influencing the design of good acoustic auditorium.
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Compare the brick masonry with stone masonry and draw plans of two successive courses of brick masonry in Flemish bond for 1½ brick thick wall.
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Explain the different types of scaffolding with their advantages and disadvantages.
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Explain the factors affecting the selection of a site for any building.
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Explain the building bye-laws and planning regulations.
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Explain the various principles of planning a building.
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