_ The basic wind speed is specified at a height ‚Äö√Ñ√≤h‚ – McqOptions

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1.	_ The basic wind speed is specified at a height ‚Äö√Ñ√≤h‚Äö√Ñ√¥ above mean ground level in an open terrain. The value of ‚Äö√Ñ√¥h‚Äö√Ñ√¥ is$?
A.	10 m
B.	20 m
C.	25 m
D.	50 m
Answer» B. 20 m

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