Gun-metal (casting) has a yield point of ____________(a) 30,000 pound-force per square inch(b) 15,000 pound-force per square inch(c) 6000 pound-force per square inch(d) 1000 pound-force per square inchI got this question during an interview for a job.This intriguing question comes from Properties of Copper and its Alloys-2 topic in section Copper and its Alloys of Aerospace Materials & Processes

Gun-metal (casting) has a yield point of ____________(a) 30,000 pound-

1.	Gun-metal (casting) has a yield point of ____________(a) 30,000 pound-force per square inch(b) 15,000 pound-force per square inch(c) 6000 pound-force per square inch(d) 1000 pound-force per square inchI got this question during an interview for a job.This intriguing question comes from Properties of Copper and its Alloys-2 topic in section Copper and its Alloys of Aerospace Materials & Processes
Answer» The correct answer is (B) 15,000 pound-force per square inch Explanation: Gun-metal casting has a yield point of 15,000 pound-force per square inch. Gun-metal (castings) also have a UTI (Ultimate TENSILE STRENGTH) of AROUND 30,000 pound-force per square inch.

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