1. The vehicle used in case of enamel paints is
a ) varnish
b ) linseed oil
c ) water
d ) all of the above
2. The main component of oil paint is
a ) carrier
b ) thinner
c ) pigment
d ) all of the above
3. The pigment in paints gives
a ) smoothness
b) durability
c ) glossy face
d) colour
4. Which has great strength against the rut ?
a ) teak
b ) shisham
c ) sal
d ) deodar
5. The wood of which tree is used to make cricket bat
a ) willow
b ) shisham
c ) sal
d ) deodar
6. The seasoning of timber is done for
a ) bark drying
b ) pith drying
c ) hot drying
d ) humidity drying
7 . The strength of timber is maximum along
a ) parallel to the grain
b ) 100 ° to 130⁰ c
c ) 45 ° to the grain
b ) perpendicular to the grain
d ) same in all direction
8. The ingredient which gives the desired colour to a paint is called
a ) base
b ) pigment
c ) vehicle
d ) solvent
9. The paints with white lead base are suitable for painting of
a ) iron work
b ) wood work
c ) both ( a ) and ( b ) of above
d ) none of the above
10. The function of base of an oil paint is
a ) to form the body of the paint
b ) to reduce the shrinkage cracks
c ) to reinforce the film of the paint after drying
d ) to prevent penetration of paint to lower surfaces
e ) all of the above
11. Seasoning of timber is done to
a ) reduce the weight of the timber
b ) reduce the chances of shrinkage
c ) increase the strength and durability
d ) all of the above
12. The defects in the growth of timber are called
a ) shakes
b ) checks
c ) both ( a ) and ( b ) of above
d ) none of the above
13. The trunk of tree left after cutting all the branches is known as
a ) plank
b ) log
c ) baulk
d ) batten
14. A piece of sawn timber whose c/ s dimensions exceed 5 cm , in one direction and 20 cm in the other direction , is called a
a ) cant
b ) deal
c ) bauk
d ) strip
15. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called
a ) cantb ) dealc ) baukd ) strip
16. The chemical used in preserving timber are
a ) ZnCl₂ & HgCl₂
b ) coaltar
c ) creosote oil
d ) all of the above
17 . The trees yielding hard wood is
a ) shisham
b) chir
c ) deodar
d) pine
18. The trees yielding soft wood is
a ) sal & teak
b) chir and deodar
c ) shisham & sal
d) non of the above
19. According to IS : 399-1963 , specified at
a ) 8 % moisture
b ) 10 % moisture
c ) 12 % moisture
d ) 14 % moisture
20. Ply wood is made from
a ) common timber
b ) bamboo timber
c ) teak wood only
d ) all of the above
21. The sports goods are made from
a ) sal
b ) deodar
c ) chir
d ) mulberry
22. The timber used for decorative wood work
a ) shisham
b ) siris wood
c ) rose wood
d ) all of the a bove
23. The unit weight of sal is
a ) 600 kg / m²
b ) 700 kg / m
c ) 800 kg / m³
d ) 900 kg / m³
24. Normally the wood used for scaffolding is
a ) mango
b ) bamboo
c ) shisham
d ) sal
