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Questions and Answers
What is the correct way to measure the length of a bolt?
What is the correct way to measure the length of a bolt?
- From top of head till the end of threads (correct)
- From bottom of head to bottom of nut
- Length of threaded part only
- From bottom of head to nut
What affects the number of holes in a flange?
What affects the number of holes in a flange?
- Pressure stage (class) and diameter of the flange (correct)
- None of the above
- Thickness and weight of the flange
- All flanges have 5-7 holes maximum
What kind of tool(s) should not be used to cut stainless steel pipe?
What kind of tool(s) should not be used to cut stainless steel pipe?
- Hacksaw
- Circular saw
- Flame gas blow torch burner (using propane or acetylene and oxygen) (correct)
- Angle grinder
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Study Notes
Measuring Bolt Length
- The correct way to measure the length of a bolt is from the underside of the head to the end of the bolt.
Flange Holes
- The number of holes in a flange is affected by the bolt circle diameter and the size of the bolts.
Cutting Stainless Steel Pipe
- Do not use abrasive cutting wheels, such as grinding wheels or cutoff wheels, to cut stainless steel pipe.
- Also, avoid using high-speed saws or pipe cutters with a cutting wheel, as they can generate heat and cause the stainless steel to become brittle.
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