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pipefitter math Exam 2023 Questions and Answers

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Value of pi - ANSWER-3.1416 formula for circumference of a circle - ANSWER-C=(pi)d formula for area of a circle - ANSWER-A=πr² formula for volume of a cylinder - ANSWER-V = πr²h what is the Pythagorean theorem used for? - ANSWER-finding the length of a side of a right triangle when ...

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  • January 25, 2023
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  • 2022/2023
  • Exam (elaborations)
  • Questions & answers
  • pipefitter
  • value of pi
  • Pipefitter
  • Pipefitter
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millyphilip
pipefitter math Exam 2023 Questions and Answers
Value of pi - ANSWER-3.1416
formula for circumference of a circle - ANSWER-C=(pi)d
formula for area of a circle - ANSWER-A=πr²
formula for volume of a cylinder - ANSWER-V = πr²h
what is the Pythagorean theorem used for? - ANSWER-finding the length of a side of a right triangle when 2 sides are known
formula for determining head pressure - ANSWER-1ft of head pressure = .434psi
when head pressure is known, what formula is used to determine head feet of water? - ANSWER-1psi = 2.31 head feet of water
formula for determining the advance or setback of a 2 pipe 45° equal spread offset - ANSWER-set or run = Spread x .41421
when calculating the set or run of a 45° offset, what constant is used when the travel is known? - ANSWER-S or R = .70711 x travel
when calculating the recall of a 45° Offset, what constant is used when the set or run of is known? - ANSWER-travel = 1.4142 x Set or Run
formula for determining the takeoff of a long radius butt weld 90° fitting - ANSWER-1.5 x
D
formula for determining the takeoff of a 4" and larger butt weld 45° Fitting - ANSWER-D x .625 or 5/8
formula for determining the wrench size of a 3/8" larger bolt - ANSWER-D x 1.5
formula for determining the wrench size of a heavy duty bolt 3/8" and larger - ANSWER-
D x 1 1/2 + 1/8
what size does pipe charge from ID to OD - ANSWER-14"

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