3rd year 2nd Semester Examination, Session-2001-2002
Title-Wood Based Industry
Course No. FOR-322,
Credit: 2, Total Marks-50, Time-2 hours
Dept. of Forestry and Environmental Science,
Shah Jalal University of Science And Technology, Sylhet, Bangladesh
1. Marks for respective question are shown at the end of each question.
2. All questions are equal marks except question number 1
3. Question no. 1 of each section is compulsory. Answer other two (2)questions from the rest three (3) for each section.
4. Answer should be written in separate answer script for each section.
Section: A
1. Write short note on any one of the following:(5x1=5)
a) Recovery of black liquor in Kraft pulping,
b) Particle board and laminated wood.
2. a) What is meant by “Forest based” and “Wood based” industry?
b) What are the major wood based industries in Bangladesh?
c) Wood based industries are playing crucial role in the socio economic development of Bangladesh?
3. a) Define: Pulp, Paper and Paper board.
b) Name the raw materials frequently used for pulp and paper?
c) Why debarking of wood is done before pulping?
d) Why chip quality is controlled in pulping process?
4. a) What do you mean by plywood and particle board?
b) Mention the major steps of manufacturing plywood?
c) What are the significance of “assembly time” in manufacturing plywood?
d) What are the use of plywood?