Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech II BUILDING MATERIALS, CONSTRUCTION AND PLANNING Previous Question Paper (April/May - 2023 - R16)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
What do you understand by frog?
Answer
A frog is a depression or indentation provided on the top face of a brick during the molding process. It serves to form a key for the mortar, ensuring a stronger bond between successive layers of brickwork.
Write the properties of good brick.
Answer
A good brick should possess the following properties:
- It should be uniform in color, shape, and size with sharp, square edges.
- It should be hard, well-burnt, and free from cracks, flaws, or nodules of lime.
- It should produce a clear metallic ringing sound when struck with another brick.
- It should have low water absorption, typically not exceeding 20% of its dry weight.
What are the ingredients of Portland cement?
Answer
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What do you understand by the term soundness of cement?
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What do you understand by the term fire hazards?
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Give a list of different types of windows.
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What do you understand by pointing?
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What are the objectives of reinforced brick?
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What are the principles of planning?
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Classify different type of buildings as per bye-laws.
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Part B
Explain the laboratory tests to be conducted on stones.
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List the characteristics to be considered for selection of stones for various engineering works.
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What are plastic emulsion paints and where are they used in building construction? How do you mix the commercial product at the site for paint work?
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How glass is classified? Give the chemical formula for each category. What are the properties of good glass?
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What do the terms stiffening, setting and hardening mean with respect to cement paste? Explain them.
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Write a short note on Hydration of cement and Heat of hydration.
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Briefly explain about chemical admixtures and its uses.
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What are the causes of failure of foundation?
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Draw a neat sketch of spiral staircase and mention its important features.
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Explain briefly the requirement of ventilation in residential buildings.
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Describe about the ideal requirements of acoustic design.
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Give a brief description of the process of painting on different surfaces.
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What are the different types of brick masonry?
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Explain type of scaffolding with a neat sketch.
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What are the basic objectives of underpinning in construction?
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As per climatic conditions, how India is made into different zones? Also explain difference in planning.
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Explain in brief the significance of bye-laws in planning residential houses.
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Explain about different minimum sizes of components in a building as per byelaws.
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Explain the planning of a hotel in 500 sq. m area in a district head-quarter. Explain various rooms/components involved in planning.
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