NPTEL Forests and their Management Week 4 Assignment Answers 2024

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NPTEL Forests and their Management Week 4 Assignment Answers 2024

1. measurement of height based on similar triangles comes under

  • similar measurement
  • dissimilar measurement
  • direct measurement
  • indirect measurement
Answer :- For Answer Click Here 

2. for normal form factor, the reference of the base of the cylinder is

  • base of the tree
  • breast height
  • 10% of tree height
  • 20% of tree height
Answer :- For Answer Click Here 

3. in a triangle, the angle between base and hypotenuse, theta= 60 degree and the hypotenuse c = 2cm. find the length of the base b

  • 0.33
  • 0.5
  • 0.75
  • 1
Answer :- For Answer Click Here 

4. 3 trees are located is a sample plot of 15m X 15m. their dbh are as under:
dbh= 25cm, 30cm, 35cm
find the stand basal area in sq m per Ha

  • 9.6
  • 14.6
  • 21.6
  • 27.6
Answer :- 

5. consider a stand of eucalyptus, trees that are on average 30cm in diameter and spaced on a regular 3m grid. find the spacing factor

  • 5
  • 10
  • 15
  • data insufficient
Answer :- 

6. for a tree with dbh= 45.6cm, height= 27m and total stem volume of 1.78cum, the artificial form factor of the tree is:

  • 0.1
  • 0.2
  • 0.3
  • 0.4
Answer :- For Answer Click Here 

7. for the absolute form factor, the reference for the base of the cylinder is

  • base of the tree
  • breast height
  • 10% of the height
  • 20% of the height
Answer :- 

8. diameter over bark (dob), diameter under bark (dub) and the bark thickness (tb) are related as

  • dob = dub + tb
  • dob = dub – tb
  • dob = dub + 2 X tb
  • dob = dub -2 X tb
Answer :- 

9. choose the correct statement

  • for a non-circular section, girth tape over- estimates the sectional area
  • for a non-circular section, girth tape under- estimates the sectional area
  • for a non-circular section, girth tape correctly- estimates the sectional area
  • none of these is a correct statement
Answer :- 

10. a tree has dbh of 25cm. find the basal area in sq m

  • .049
  • .096
  • .149
  • .195
Answer :- For Answer Click Here