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MCQs 1: Crushing strength of a good building stone should be more than____________?

50 MPa 100 MPa 150 MPa 200 MPa
Answer Explanation

MCQs 2: Spalling hammer is used for_____________?

driving wooden headed chisels rough dressing of stones carving of stones breaking small projection of stones
Answer Explanation

MCQs 3: Which of the following timbers is suitable for making sports goods ?

mulberry mahogany sal deodar
Answer Explanation

MCQs 4: Sapwood consists of______________?

innermost annular rings around the pith portion of timber between heartwood and cambium layer thin layers below the bark thin fibre which extends from the pith outwards and holds the annular rings together
Answer Explanation

MCQs 5: In which of the following pairs both trees yield soft wood ?

deodar and shishum chir and sal sal and teak chir and deodar
Answer Explanation

MCQs 6: Which of the following trees yields hard wood ?

deodar chir shishum pine
Answer Explanation

MCQs 7: The radial splits which are wider on the outside of the log and narrower towards the pith are known as________________?

heart shakes cupshakes starshakes rindgalls
Answer Explanation

MCQs 8: The disease of dry rot in timber is caused by_____________?

lack of ventilation alternate wet and dry conditions complete submergence in water none of the above
Answer Explanation

MCQs 9: In which of the following directions, the strength of timber is maximum ?

parallel to grains 45° to grains perpendicular to grains same in all directions
Answer Explanation

MCQs 10: Which of the following represents a metamorphic rock? (1) slate (2) shale (3) quartzite . The correct answer is___________?

only (3) both (1) and (3) both (2) and (3) all (1), (2) and (3)
Answer Explanation

MCQs 11: 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 ?

Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true
Answer Explanation

MCQs 12: The moisture content in a well seasoned timber is_______________?

4% to 6% 10% to 12% 15% to 20% 100%
Answer Explanation

MCQs 13: Plywood has the advantage of_____________?

greater tensile strength in longer direction greater tensile strength in shorter direction same tensile strength in all directions none of the above
Answer Explanation

MCQs 14: The plywood______________?

has good strength along the panel only can be spilt in the plane of the panel has greater impact resistance to blows than ordinary wood cannot be bent more easily than ordinary wood of same thickness
Answer Explanation

MCQs 15: First class timber has an average life of_____________?

less than one year 1 to 5 years 5 to 10 years more than 10 years
Answer Explanation

MCQs 16: The main function of alumina in brick earth is_______________?

to impart plasticity to make the brick durable to prevent shrinkage to make the brick impermeable
Answer Explanation

MCQs 17: A first class brick when immersed in cold water for 24 hours should not absorb water more than______________?

15% 20% 22% 25%
Answer Explanation

MCQs 18: Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is_________________?

0° 30° 45° 90°
Answer Explanation

MCQs 19: The trunk of tree left after cutting all the branches is known as_______________?

log batten plank baulk
Answer Explanation

MCQs 20: The practical limit of moisture content achieved in air drying of timber is________________?

5% 15% 25% 35%
Answer Explanation

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