1. Which fastener has threading on both sides__________ a) bolt b) nut c) screw d) stud Answer: d) stud 2. Which fastener is weeding a) temporary b) semi-permanent c) Permanent d) None of three Answer: c) Permanent 3. What is an angle of angle plate _____________ a) 30 degree b) 45 degree c) 60 degree d) 90 degree Answer: d) 90 degree
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