Top 50+ Solved Timber MCQ Questions Answer
Q. 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
Q. 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
Q. 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
Q. Which one of the following is not a preservative of timber
a. solignum salt
b. chemical salt
c. creosote
d. solution of barium hydroxide
Q. A thin sheet of wood sliced from log is called
a. plywood
b. lamin board
c. veneer
d. particle board
Q. 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
Q. An assembled product made up of veneers and adhesives is called
a. batten
b. plank
c. board
d. plywood
Q. 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
Q. 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
Q. 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
Q. Alumina in brick earth gives the bricks
a. strength
b. colour
c. plasticity
d. resistance to shrinkage