As per Indian Standard Code for Timber Panelled and Glazed Shutters, Tolerances on the sizes of door shutters shall be
- A± 0.5 mm
- B± 1 mm
- C± 2 mm
- D± 3 mmCorrect
Solution
Concept
Tolerance on shutter size (IS 1003)
Step-by-step solution
1. IS 1003 allows a tolerance of ±3 mm on the width and height of door shutters.
Explanation
The tolerance accommodates timber movement.
Why the other options are wrong
Smaller values are tighter than the code allows.
Shortcut
Shutter size ± 3 mm.
Correct answer: D) ± 3 mm