Discussion :: Building Materials - Section 3 (Q.No.41)
|Surendra S Dangi said: (Jul 15, 2017)|
|Heart shake is a crack in the heartwood, near the centre of the tree. It is caused by poor seasoning, or by using trees felled past maturity.
A crack or cracks propagating from near the edge of the log towards the centre, usually along the line of the medullary rays.
|Nayan said: (Aug 31, 2017)|
|I think it is option A.|
|Pushap said: (Jan 3, 2018)|
|Yes, A is correct.|
|Ganesh said: (Jan 7, 2018)|
|It seems the correct answer is radial shakes.|
|Ankit said: (Feb 6, 2018)|
|A is the right answer.|
|Niraj said: (Aug 2, 2018)|
|C is the right answer. I agree with the given answer.|
|Abhishek said: (Sep 10, 2018)|
|A should be the correct answer.|
|Pravardhan said: (Feb 21, 2019)|
|If the wood is exposed continuously to the high-speed winds, the outer surface shrinks and forms crack externally which are called wind cracks.|
|Saugat Oli said: (Feb 27, 2019)|
|As per my knowledge, Star Shake is the correct answer.|
|Dibakar said: (Jul 23, 2019)|
|Wind cracks= cup shak.
Radial shake= star shake.
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