(A) less than one year
(B) 1 to 5 years
(C) 5 to 10 years
(D) more than 10 years

(A) has good strength along the panel only
(B) can be spilt in the plane of the panel
(C) has greater impact resistance to blows than ordinary wood
(D) cannot be bent more easily than ordinary wood of same thickness

(A) greater tensile strength in longer direction
(B) greater tensile strength in shorter direction
(C) same tensile strength in all directions
(D) none of the above

(A) cambium layer
(B) annular rings
(C) medullary rays
(D) heart wood

(A) 5%
(B) 15%
(C) 25%
(D) 35%

(A) log
(B) batten
(C) plank
(D) baulk

(A) 0°
(B) 30°
(C) 45°
(D) 90°

(A) granite
(B) sand stone
(C) lime stone
(D) quartzite

(A) basalt and marble are the only metamorphic rocks
(B) there is no sedimentary rock
(C) granite is the only igneous rock
(D) quartz and mica are minerals

(A) quarrying of stones
(B) blasting of stones
(C) seasoning of stones
(D) dressing of stones