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R1905 Pages: 2

specific gravity and bulk density.

What is meant by bulking of sand? What is the role of sand in cement mortar? (6)

Define the following in stone masonry. a) Quoin stone b) Through stone (6)
c) Facing ச
Draw the plan and elevation of 1-brick wall English Bond. (6)

Module V& VI
Answer any four full questions, each carries 7 marks.

Write short note on air seasoning and water seasoning. (7)

Distinguish between particle board and hard board. (7)

What are the various preservatives used in timber? Explain the method of (7)
preservation by means of anythree preservatives.

Sketch and explain any three structural steel sections. (7)
What are the different flooring materials and explain factors affecting the (7)

choice of flooring materials.

RK

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