Question 331General Subjects - QMED70% to pass
The designation 'schedule 80 extra strong' refers to _______________.
AI Explanation
The correct answer is A) piping wall thickness.
The designation "schedule 80 extra strong" refers to the wall thickness of piping. Schedule 80 pipe has a thicker wall compared to standard schedule 40 pipe, making it more durable and suitable for higher pressure applications. This thicker wall construction is what is meant by the "extra strong" designation.
The other answer choices are incorrect as they do not relate to the "schedule 80 extra strong" designation, which is specifically about pipe wall thickness, not tubing strength, bolt tensile strength, or steel plate weight.
Related Questions
#329 Which of the listed pipe sizes is not commonly used? #330 If you were uncertain as to what type of gasket material to install in a pipeline, you should _______________.#332 Fittings used to close the ends of pipe are called 'pipe _______________.#333 To anneal a copper gasket, you should heat the gasket _______________.#334 Which of the following descriptions should be included when identifying the length for pipe nipples?