Q1. Describe the terms Conversion, Seasoning and Preservation of timber.

Q2. Describe in brief any two industrial products of timber.

Q3. Describe with sketches of the various types of door hardware.

Q4. Describe how you will compute the number of risers for a timber staircase.

Q5. Illustrate the purpose of adding sand to lime paste and describe why is it significant that the ‘sand bearing capacity’ of lime be correctly established.

Q6. Draw plan and section a timber staircase of width 0.9m, positioned in the living room (4.5 m x 4.5 m) of a house, to a scale of 1:50 and details to a scale of 1:20. Floor to floor height = 3.6m.