Knowledge exchange……
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Let’s take a look at questions 24 and 101 to see what should be chosen
24 is a purely simple calculation; there’s nothing to discuss.
The formula for calculating the weight of seamless steel pipes is 0.02446 × wall thickness × (outer diameter – wall thickness); the result should be 313
I feel like the answer is wrong; for question 24, the result I got is 313. Could it be that I’m using the wrong formula? And for question 101, shouldn’t the answer be B?