5/22/2021 API 570 Certification Module #2 Homework Open Book Flashcards | Quizlet
API 570 Certification Module #2 Homework Open
Book
Terms in this set (10)
What is the most cost b) Schedule 30 (0.303') tmin = 0.145", t w/CA = 0.145 +
effective pipe schedule 0.125 = 0.270" Welded pipe, do not need to adjust
for the following pipe for mill tolerance, so pick next larger schedule
system?
Pipe size: 10 NPS,
Design Pressure: 400
psig at 600 oF,
corrosion allowance
0.125"
Pipe Material: ASTM
A53 gr. B, electric
resistance welded
What is the required d) 0.782" tmin = 0.657", t w/CA = 0.657 + 0.125 = 0.782"
thickness of a new
blind?
Determine the total d) 28.4" G = (9.46 x 300) / 100 = 28.4"
thermal expansion for a
316 SS line that is 300'
long and operates at
850 degrees F.
API 570 Certification Module #2 Homework Open Book
https://quizlet.com/558299565/api-570-certificationmodule-2-homework-open-book-flash-cards/ 1/3
5/22/2021 API 570 Certification Module #2 Homework Open Book Flashcards | Quizlet
What is the quality c) 0.90
factor for a welded pipe
that has a single butt
weld that is made by
electric fusion? The
weld has been spot
radiographed per B31.3.
Determine the following a) 1205 psig
pressures for an A-105 b) 2225 psig PT = 1.5 x 1480 = 2220 Round up to 2225
Class 600 flange, design psig
temperature is 500
degrees F.
Calculate - The a) 0.129"
following retirement b) 0.102"
thicknesses
Calculate - The most a) Schedule 80 (0.337") tmin = 0.110", t w/CA = 0.110 +
cost effective pipe 0.125 = 0.235", tadj = 0.269"
schedule for b) Schedule 20 (0.250") tmin = 0.123", t w/CA = 0.123 +
replacement piping 0.100 = 0.223", No mill tolerance
Calculate - Required 1.000" tmin = 0.862", t w/CA = 0.862 + 0.125 = 0.987",
new thickness of a blank order 1.000"
(ordered thickness)
Gasket ID = 12.5", 400
psig at 600oF, mat'l A-
516-60, CA = 0.125"
Calculate - Thermal 25" G = (6.24 x 400) / 100 = 25"
Growth
API 570 Certification Module #2 Homework Open Book
https://quizlet.com/558299565/api-570-certificationmodule-2-homework-open-book-flash-cards/ 2/3
5/22/2021 API 570 Certification Module #2 Homework Open Book Flashcards | Quizlet
What is the c) 33%
recommended amount
of CUI to perform in
suspect areas on a Class
2 pipe?
https://quizlet.com/558299565/api-570-certificationmodule-2-homework-open-book-flash-cards/ 3/3
