Internal exam model question

1. Tribhuvan University, Institute of Forestry Pokhara
Internal Assessment
Subject: Forest Mensuration-I Time:20minutes Full Marks: 12
Choose the best answer among the given alternatives.
1. Which one is the correct dimension of one full chatta?
(a) 5ft x 5ft x 20ft (b) 5m x5m x 20m (c) 5ft x 5ft x 10ft (d) 5m x 5m x 10m
2. Which formula is more accurate?
(a) Smalian’s (b) Newton (c) Hubers (d) Quarter girth
3. What is the standard height for DBH measurement in Nepal?
(a) 1.3ft (b) 1.37ft (c) 1.3m (d) 1.37m
4. The volume of the log is 0.53 m3
over bark and 0.47m3
under bark. Calculate bark %.
(a) 13.23 % (b) 12.32 % (c) 11.32 % (d) 10. 23%
5. The height of the tree leaning toward the observer is ……………estimated.
(a) Over (b) under (c) normal (d) exact
6. Calculate the height of the given tree
(a) 60ft (b) 76 ft (c) 80ft (d) 89ft

2. 7. Which method this? (see figure below)
(a) Shadow method (b) Ocular estimation (c) Single pole method (d) None
8. Calculate the height of the tree from above figure, if a=1m, c=10m and b= 2m
(a) 16m (b) 18m (c) 20m (d) 22m
9. Which formula is used to calculate the height of the tree in this case?
(a) CB=AC Cos β ( tanα + tan β) (b) CB=AC Cos β ( tanα - tan β)
© CB=AC Cosα ( tan β + tanα ) (d) © CB=AC Cos β ( tan β - tanα )
10. Calculate the volume of the tree by Hubers formula.
(a) 0.2.5 cm3
(b) 2.5m3
(c) 2.5 m3
(d) 0.25m3
11. Taper is
(a) Decrease in diameter of a tree from the base to upward.
(b) Increase in diameter of a tree from the base to upward.
(c) Decreasing the diameter of the tree in the middle.
(d) None of the above.
12. Which of the following is used to measure the height?
(a) Abney’s level (b) Clinometer (c) Vertex (d) all
The End