Deck 2: Stones and Trees

Question 1

Most of the stones possess the specific gravity in the range of

A)1.2 - 1.6
B)1.6 - 2.0
C)2.4 - 2.8
D)3.0 - 4.0

Answer 1

2.4 - 2.8

Question 2

Limestone used for manufacture of cement is

A)kankar
B)magnesium limestone
C)compact limestone
D)granular limestone

Answer 2

kankar

Question 3

Which of the following has the highest crushing strength?

A)granite
B)gneiss
C)basalt
D)trap

Answer 3

trap

Question 4

Which of the following stone has the highest resistance to fire?

A)granite
B)limestone
C)sandstone
D)argillaceous material

Question 5

Smith's test on stone is to check

A)toughness
B)hardness
C)compressive strength
D)presence of muddy substance

Question 6

Los Angeles testing machine is used to find the following. In stone

A)surface wear
B)hardness
C)compressive strength
D)presence of mud

Question 7

Impact value of stone for road work specified are

A)wearing coat 30%
B)bituminous macadam 35%
C)water bound macadam 40%
D)all the above

Question 8

Deterioration of stones takes place due to

A)temperature variation
B)freezing and thawing
C)rainwater
D)all of the above

Question 9

Which one of the follo ing is not a preservative of stone

A)coal tar
B)paraffin
C)linseed oil
D)ASCU

Question 10

After felling and separating branches the tree is known as

A)log
B)converted timber
C)rough timber
D)none of the above

Question 11

Which one of the following does not belong to exogenous tree

A)deodar
B)pine
C)mahogany
D)bamboo

Question 12

Which one of the following dose not belong to endogenous trees

A)teak
B)coconut
C)bamboo
D)cane

Question 13

On the basis of durability test, Forest Research Institute of India, Dehradun, a tree is highly durable if its average life is more than

A)5 years
B)10 years
C)15 years
D)20 years

Question 14

The trees, of which leaves fall in autumn and new ones appear in spring are classified as

A)coniferous trees
B)deciduous trees
C)endogenous trees
D)none of the above

Question 15

The oldest part of exogenous tree is

A)pith
B)heartwood
C)sapwood
D)cambium layer

Question 16

Age of exogenous tree can be judged from

A)medullary rays
B)annual rings
C)cambium layer
D)inner bark

Question 17

The layer between the dark and sapwood which is yet to be converted into wood is known as

A)pith
B)heartwood
C)softwood
D)cambium layer

Question 18

Which one of the following is softwood

A)deodar
B)teak
C)sal
D)mahogany

Question 19

On the basis of availability, timber is classified as

A)I. II, III Class
B)grade I, II, and III
C)A, B, C Class
D), Y, Z Class

Question 20

Seasoning makes timber

A)durable
B)light, strong and stable
C)resistant to fungi and termites
D)all of the above

Question 21

Which of the following statements is not correct?

A)by kiln seasoning moisture content can be reduced to the desired extent.
B)kiln seasoning is quicker than natural seasoning.
C)kiln seasoning is superior to natural seasoning.
D)kiln seasoning needs less stacking place than natural seasoning.

Question 22

Most economical method of sawing wood is

A)ordinary sawing
B)quarter sawing
C)tangential sawing
D)radial sawing

Question 23

Sections of more uniform moisture content are obtained by

A)ordinary sawing
B)quarter sawing
C)tangential sawing
D)radial sawing

Question 24

The defect in timber due to broken branch of the tree during the tree growth is

A)knot
B)shake
C)rind gall
D)burl