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What is the net area for the plate 100 x 8 mm boltedwith a single bolt of 20mm diameter in case of drilled hole ?(a) 624 mm^2(b) 756 mm^2(c) 800 mm^2(d) 640 mm^2I have been asked this question during a job interview.I'd like to ask this question from Design of Tension Members in portion Design of Tension Members of Design of Steel Structures

Answer» RIGHT choice is (d) 640 mm^2

The explanation is: In case of drilled hole, dh = 20mm

Net AREA An = Ag – DHT = 100 x 8 – 20 x 8 = 640mm^2.


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