McqMate
Chapters
1. |
After felling and separating branches the tree is known as |
A. | log |
B. | converted timber |
C. | rough timber |
D. | none of the above |
Answer» C. rough timber |
2. |
Which one of the following does not belong to exogenous tree |
A. | deodar |
B. | pine |
C. | mahogany |
D. | bamboo |
Answer» C. mahogany |
3. |
Which one of the following dose not belong to endogenous trees |
A. | teak |
B. | coconut |
C. | bamboo |
D. | cane |
Answer» C. bamboo |
4. |
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 |
Answer» B. 10 years |
5. |
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 |
Answer» B. deciduous trees |
6. |
The oldest part of exogenous tree is |
A. | pith |
B. | heartwood |
C. | sapwood |
D. | cambium layer |
Answer» A. pith |
7. |
Age of exogenous tree can be judged from |
A. | medullary rays |
B. | annual rings |
C. | cambium layer |
D. | inner bark |
Answer» B. annual rings |
8. |
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 |
Answer» D. cambium layer |
9. |
Which one of the following is softwood |
A. | deodar |
B. | teak |
C. | sal |
D. | mahogany |
Answer» A. deodar |
10. |
Which one of the following is not a softwood: |
A. | oak |
B. | pine |
C. | deodar |
D. | bamboo |
Answer» A. oak |
11. |
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 |
Answer» D. , Y, Z Class |
12. |
Seasoning makes timber |
A. | durable |
B. | light, strong and stable |
C. | resistant to fungi and termites |
D. | all of the above |
Answer» D. all of the above |
13. |
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. |
Answer» C. kiln seasoning is superior to natural seasoning. |
14. |
Most economical method of sawing wood is |
A. | ordinary sawing |
B. | quarter sawing |
C. | tangential sawing |
D. | radial sawing |
Answer» A. ordinary sawing |
15. |
Sections of more uniform moisture content are obtained by |
A. | ordinary sawing |
B. | quarter sawing |
C. | tangential sawing |
D. | radial sawing |
Answer» B. quarter sawing |
16. |
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 |
Answer» A. knot |
17. |
Stain appears in wood due to |
A. | poor ventilation during storage |
B. | contact with water and chemicals for long time |
C. | shock when it was young |
D. | crushing during growth |
Answer» B. contact with water and chemicals for long time |
18. |
Honeycomb and cracks may occur in timber due to |
A. | erroneous conversion |
B. | erroneous seasoning |
C. | attack by fungi |
D. | contact with water for a long time |
Answer» B. erroneous seasoning |
19. |
Which one of the following is not a preservative of timber |
A. | solignum salt |
B. | chemical salt |
C. | creosote |
D. | solution of barium hydroxide |
Answer» D. solution of barium hydroxide |
20. |
A thin sheet of wood sliced from log is called |
A. | plywood |
B. | lamin board |
C. | veneer |
D. | particle board |
Answer» C. veneer |
21. |
In a plywood the veneers are placed such that the gra ns of a layer are |
A. | at 45° to the grains of a layer below it |
B. | at 60° to the grains of a layer below it |
C. | at right angles to the layer below it |
D. | at 180° to the grains of a layer below it |
Answer» C. at right angles to the layer below it |
22. |
Plywood is identified by |
A. | volume |
B. | weight |
C. | area |
D. | thickness |
Answer» D. thickness |
23. |
An assembled product made up of veneers and adhesives is called |
A. | batten |
B. | plank |
C. | board |
D. | plywood |
Answer» D. plywood |
24. |
Particle boards are manufactured by using |
A. | chips of wood, rice husk and bagasse |
B. | strips of wood of width 25–80 mm |
C. | wood pulp |
D. | none of the above |
Answer» A. chips of wood, rice husk and bagasse |
25. |
The wood that cannot be attacked by white ants is |
A. | mahogany |
B. | rosewood |
C. | sissoo |
D. | teak |
Answer» D. teak |
26. |
The standard size of bricks as per Indian Standards is |
A. | 230 × 120 × 80 mm |
B. | 200 × 100 × 100 mm |
C. | 190 × 90 × 90 mm |
D. | 190 × 100 × 100 mm |
Answer» C. 190 × 90 × 90 mm |
27. |
Red colour of brick is due to the pre ence of |
A. | lime |
B. | silica |
C. | manganese |
D. | iron oxide |
Answer» D. iron oxide |
28. |
Excess of lime in the brick earth makes the bricks |
A. | brittle and weak |
B. | crack and warp |
C. | melt and lose shape |
D. | improve durability |
Answer» C. melt and lose shape |
29. |
Excess of iron oxide in brick earth makes the bricks |
A. | stronger |
B. | darker |
C. | brittle |
D. | crack |
Answer» B. darker |
30. |
Alumina in brick earth gives the bricks |
A. | strength |
B. | colour |
C. | plasticity |
D. | resistance to shrinkage |
Answer» C. plasticity |
31. |
Excess of alkalies in the brick earth results into |
A. | Brittleness |
B. | white patches |
C. | yellowish colour |
D. | porous structure |
Answer» B. white patches |
32. |
Pug mill is used to |
A. | blend clay |
B. | tempering |
C. | weathering clay |
D. | burning bricks |
Answer» B. tempering |
33. |
The size of mould used for making bricks compared to size of brick is |
A. | 10% more |
B. | 5% more |
C. | exactly equal |
D. | 5% less |
Answer» A. 10% more |
34. |
Pallet board is used to |
A. | make frog in the brick |
B. | to mount the mould |
C. | for table moulding of bricks |
D. | none of the above |
Answer» B. to mount the mould |
35. |
In stiff mud process of machine moulding, water used for mixing is |
A. | 8–12% |
B. | 12–18% |
C. | 20–24% |
D. | 30% |
Answer» B. 12–18% |
36. |
Gradual drying of moulded bricks is necessary to |
A. | prevent shrinkage |
B. | permit shrinkage without cracking |
C. | permit blending of alumina and silica |
D. | none of the above |
Answer» B. permit shrinkage without cracking |
37. |
The brick is considered dry when the moisture content is |
A. | 8% |
B. | 5% |
C. | 2% |
D. | zero |
Answer» C. 2% |
38. |
Hand moulded bricks take ______ days for drying while stiff-mud machine made bricks ______ days. |
A. | 30, 5 |
B. | 15, 2 |
C. | 10, 1 |
D. | 8, 1/4 |
Answer» B. 15, 2 |
39. |
The indentation mark left on bricks during the process of moulding are |
A. | pallets |
B. | fillets |
C. | marks |
D. | frog |
Answer» D. frog |
40. |
Which one of the following statements is wrong about clamp burning |
A. | it is cheap |
B. | does not need skilled labour |
C. | control on burning process is good |
D. | burning process is slow |
Answer» C. control on burning process is good |
41. |
Continuous kiln is |
A. | bull’s trench kiln |
B. | Hoffman’s kiln |
C. | tunnel kiln |
D. | all of the above |
Answer» D. all of the above |
42. |
The minimum strength of brick required for building wall is |
A. | 7.5 N/mm2 |
B. | 5.0 N/mm2 |
C. | 3.5 N/mm2 |
D. | 2.5 N/mm2 |
Answer» C. 3.5 N/mm2 |
43. |
To check the size of brick number of bricks to be kept side by side is |
A. | 30 |
B. | 20 |
C. | 10 |
D. | 5 |
Answer» B. 20 |
44. |
The bricks which may be used to build wall but to be provided with plaster are |
A. | Ist Class |
B. | IInd Class |
C. | IIIrd Class |
D. | IVth Class |
Answer» B. IInd Class |
45. |
The compressive strength of high duty bricks should be more than |
A. | 40 N/mm2 |
B. | 20 N/mm2 |
C. | 5 N/mm2 |
D. | 3.5 N/mm2 |
Answer» A. 40 N/mm2 |
46. |
Thickness of web of hollow bricks should not be less than |
A. | 20 mm |
B. | 16 mm |
C. | 12 mm |
D. | 8 mm |
Answer» D. 8 mm |
47. |
Compressive strength of paving bricks should not be less than |
A. | 40 N/mm2 |
B. | 30 N/mm2 |
C. | 20 N/mm2 |
D. | 40 N/mm2 |
Answer» A. 40 N/mm2 |
48. |
Field test for strength of good bricks is to drop it from a height of ______ and they should not break |
A. | 1.2 m |
B. | 1.0 m |
C. | 0.7 m |
D. | 0.75 m |
Answer» B. 1.0 m |
49. |
For making stabilized soil brick the soil is stabilized with |
A. | sand |
B. | coal |
C. | cement |
D. | salt |
Answer» C. cement |
50. |
Refractory bricks resist |
A. | high temperature |
B. | chemical action |
C. | action of frost |
D. | all of the above |
Answer» A. high temperature |
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