McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
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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