# NPTEL Forests and their Management Week 4 Assignment Answers 2024

## 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 `