The most valuable timber may be obtained from
(A) Chir
(B) Shishum
(C) Sal
(D) Teak

1 Answer

Answer :

Answer: Option D

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Last Answer : answer:

Description : Sal and teak are found in

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Description : In which forests are Teak and Sal are the principal trees?

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Description : Assertion A : Shishum is used for decorative woodwork. Reason R : Shishum can be polished to an excellent finish. Select your answer according to the coding system given below: (A) Both A and R is true and R is the ... explanation of A (C) A is true but R is false (D) A is false but R is true

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Description : Which of the following timbers is suitable for making sports goods? (A) Mulberry (B) Mahogany (C) Sal (D) Deoda

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Description : In walk two moons what does Sal believe may have caused her mother to lose her baby How might that belief affect Sal's feelings?

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Description : Teak wood is suitable for (A) Sports articles (B) Furnitures (C) Railway sleepers (D) All the above

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Description : The advantage of a concrete pile over a timber pile, is (A) No decay due to termites (B) No restriction on length (C) Higher bearing capacity (D) All the above

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Description : The smoothened surface of the front face of the guay walls, is known as fending which is made of (A) Granite stone (B) Timber (C) Steel (D) All the above

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Description : Dry rot (A) Cracks the timber (B) Reduces the strength of timber (C) Reduces the timber to powder (D) Spoils the appearance of timber

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Description : The presence of original rounded surface on the manufactured piece of timber, is called (A) Wane (B) Torn grain (C) Diagonal grain (D) Chipmark

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Description : Seasoning of timber is essential to remove (A) Knots from timber (B) Sap from timber (C) Twisted fibre from timber (D) Roughness of timber

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Description : Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a (A) Cant (B) Deal (C) Baulk (D) Strip

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Description : Knots in timber are (A) Defects caused by crushing fibres (B) Splits radiating from the centre (C) Speckled strains (D) Signs of branches cut off

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Description : A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called (A) Slate (B) Plank (C) Board (D) Strip

Last Answer : Answer: Option D

Description : The most commonly used base for timber painting, is (A) Red lead (B) Zinc white (C) White lead (D) Titanium white

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Description : The moisture content in a well seasoned timber is (A) 4 % to 6 % (B) 10 % to 12 % (C) 15 % to 20 % (D) 100 %

Last Answer : Answer: Option B

Description : Seasoning of timber is done for (A) Increasing moisture content (B) Decreasing moisture content (C) Increasing strength of timber (D) None to these

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Description : The practical limit of moisture content achieved in air drying of timber is (A) 5 % (B) 15 % (C) 25 % (D) 35 %

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Description : Pick up the correct statement from the following: Method of sawing timber (A) Tangentially to annual rings, is known as tangential method (B) In four quarters such that each board cuts annual rings ... medullary rays and perpendicular to annual rings, is known as radial sawing (D) All the above

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Description : According to IS 399-1963, the weight of the timber is specified at (A) 8% moisture content (B) 10% moisture content (C) 12% moisture content (D) 14% moisture content

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Description : Veneering means (A) Carving out designs on timber planks (B) Chemically treating timber planks (C) Thick layer of superior wood glued to inferior wood (D) Thin layer of superior wood glued to inferior wood

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Description : First class timber has an average life of (A) Less than one year (B) 1 to 5 years (C) 5 to 10 years (D) More than 10 years

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Description : Seasoning of timber is done (A) To make it water proof (B) To paint its surface (C) To increase its temperature (D) To remove water

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Description : Sapwood consists of (A) Innermost annular rings around the pith (B) Portion of timber between heartwood and cambium layer (C) Thin layers below the bark (D) Thin fibre which extends from the pith outwards and holds the annular rings together

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Description : Inner part of a timber log surrounding the pitch, is called (A) Sapwood (B) Cambium layer (C) Heart wood (D) None to these

Last Answer : Answer: Option C

Description : Due to attack of dry rot, the timber (A) Cracks (B) Shrinks (C) Reduces to powder (D) None of these

Last Answer : Answer: Option C

Description : The maximum permissible deflection of a timber beam supporting a roof, is (A) L/100 (B) L/150 (C) L/260 (D) L/360

Last Answer : Answer: Option D

Description : The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called (A) Ridge board (B) Hip rafter (C) Eaves board (D) Valley rafte

Last Answer : Answer: Option A

Description : In which of the following directions, the strength of timber is maximum? (A) Parallel to grains (B) 45° to grains (C) Perpendicular to grains (D) Same in all directions

Last Answer : Answer: Option A