25.

~ What are the constituents of a good brick earth?
. Explain three different tests on tiles.

Answer Any Three questions. Each question carries 6 marks

. What are the constituents of ordinary Portland cement? Explain the functions of

each constituent.

. Explain the different tests on aggregates.
. Enumerate the different types of bonds used in brick masonry.
. What are the different types of rubble masonry?

PART D
Answer Any Four questions, Each question carries 7 marks

. Explain five methods of artificial seasoning of timber.
. How is particle board manufactured? What are the specific usages of particle

board?

. Classify steel based on its carbon content and explain its engineering applications.
24,

What are the different types of flat roof used in building construction? Explain
with neat sketches.
Explain with neat sketch the different components of a steel roof truss.