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Showing posts from February, 2025
1.  The surface width of cracks shall not generally exceed. a. 0.1 mm b. 0.2 mm c. 0.3 mm d. 0.4 mm Show Answer Answer : c 2. Beaufort scale measure the velocity (km/h) of wind at a height of ……... above flat ground  a) 10 m  b) 20 m  c) 30 m  d) 40 m Show Answer Answer : a