Difficulty: Easy
Correct Answer: Teak (Tectona grandis)
Explanation:
Introduction:
This question tests applied knowledge of building materials, specifically how different Indian timbers compare for premium uses. In practice, the “most valuable” label reflects a combination of durability, stability, resistance to biological attack, and market price—factors crucial for doors, windows, frames, and fine joinery.
Given Data / Assumptions:
Concept / Approach:
Teak (Tectona grandis) has natural oils and silica that contribute to termite/decay resistance and excellent dimensional stability. It machines well, finishes attractively, and maintains structural integrity in variable humidity—raising both performance and price compared to most other species.
Step-by-Step Solution:
Verification / Alternative check:
Specifications in public works and architectural schedules frequently list teak for premium joinery, reflecting market practice and life-cycle performance.
Why Other Options Are Wrong:
Chir: softwood, less durable for premium joinery. Shisham: strong and good for furniture, but less stable and durable than teak outdoors. Sal: strong and durable but more difficult to season/finish for refined joinery. Deodar: aromatic softwood, not as durable for exposed premium joinery.
Common Pitfalls:
Equating strength alone with value; ignoring seasoning behavior and termite resistance which influence long-term performance and price.
Final Answer:
Teak (Tectona grandis)
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