222
IQW
Codes:
(a)ABCD (b)ABCD
1234 2134
(c)ABCD (d)ABCD
2143 1243
- Match List-I with List-II and select the correct answer using the codes given below the
lists :
List-I List-II
A. Highly refractory 1. Slow and difficult to season
free from defects
B. Moderately refractory 2. May be seasoned free from
surface defects under rapid
drying conditions
C. Non-refractory 3. Can be rapidly seasoned
free from surface defects
- Refractory to treatment
Codes:
(a)ABC (b)ABC
123 413
(c)ABC (d)ABC
432 321
- Which of the following is not an objective of seasoning timber?
(a) Reduction in shrinkage and warping
(b) Reduction of weight
(c) Increase in strength and durability
(d) Reduction of natural defects in timber
- The drawback of electric seasoning of timber is
(a) checks (b) splitting (c) cracks (d) reduced strength
- Seasoning of timber is necessary to
(a) increase the fire resistance
(b) increase the vermin resistance
(c) reduce the microbial substances
(d) expel the moisture present in timber
- Seasoning of timber is required to
(a) soften the timber (b) harden the timber
(c) straighten the timber (d) remove sap from the timber
- How many days, a timber may require for natural seasoning?
(a) 20 months (b) 4 – 6 months (c) 1 year (d) 2 years
- Consider the following statements :
Seasoning of timber results in
- increased strength
- increased durability
- reduced resilience
Of these statements
(a) 1, 2 and 3 are correct (b) 1 and 3 are correct
(c) 1 and 2 are correct (d) 2 and 3 are correct