UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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Which of the following pairs regarding the defects in timber are correctly matched ?
1. Upsets....due to overmaturity and unventilated star age of wood.
2. Fwciness....due to crushing of fibres running transversel.
3. Star shakes....radial splits widest at the circumference and diminishing towards the centre.
4. Heart shakes....cracks widest at the centre and diminishing towards the outer circumference.
Select the correct answer using the codes given below.

1 and 2

3 and 4

1 and 4

2 and 4

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