JNTU
JNTU B.Tech II Year BUILDING MATERIALS CONSTRUCTION AND PLANNING Previous Question Paper (May - 2019 - R15)
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 and may have a, b, c as sub questions.
PART A
Give the classification of building stones.
Answer
Building stones are classified into three categories based on their geological origin: Igneous (formed by cooling of magma), Sedimentary (formed by deposition and consolidation of sediments), and Metamorphic (formed by alteration of existing rocks due to heat and pressure).
What are the properties of wood?
Answer
Key properties of wood include its anisotropy (strength varies with grain direction), hygroscopicity (ability to absorb/release moisture), durability against decay, and workability. It also possesses high strength-to-weight ratio and natural aesthetic appeal.
Name the ingredients of cement.
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Write about minerals and admixtures.
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What is damp proof course?
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Explain the functions of ventilation.
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What is scaffolding?
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Distinguish between stone and brick masonry.
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Write the building bye-laws for offsets.
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Explain the bye-laws for buildings.
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PART B
What is the composition of brick earth?
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Explain the manufacturing process of brick earth. What are its structural requirements?
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What are the types of wood?
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Discuss about seasoning of wood.
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What is the chemical composition of cement?
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Write short notes on Hydration of cement.
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What are the uses of admixtures?
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Explain the manufacturing process of cement in detail.
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Discuss the uses of chemical admixtures.
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Explain the following:
a) Lintels
b) Arches
c) Walls
d) Foundations.
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Discuss the functional requirements of a good ventilation.
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Explain the acoustic design.
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Discuss in detail the various types of finishing works in buildings.
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Classify the types of brick masonry.
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Explain the requirements of formwork.
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Give the classification of buildings.
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Explain the principles of building planning.
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Explain the steps to be followed in executing the building planning.
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