API 570 EXAM WITH 100% CORRECT
ANSWERS
Suggested interval for Close internal potential survey of buried pipe with poor CP -
Answer-"5 years"
Suggested interval for evaluation of soil corrosivity for Buried pipe with no CP - Answer-
"5 years"
Maximum thickness inspection interval for class 1 piping - Answer-"Lesser--5 years or
1/2 life"
Inspection--Maximum interval for relief devices in nonfouling or noncorrosive service -
Answer-"10 years"
Inspection--Minimum years of experience for owners inspector during new fabrication -
Answer-"10 years"
Maximum external inspection interval for class 3 piping - Answer-"10 years"
Code to follow when performing an internal inspection on pipe - Answer-"API 510"
Define an imperfection that exceeds the acceptance criteria - Answer-"Defect"
Define a discontinuity that may or may not exceed the acceptance criteria - Answer-
"Imperfection"
Risk based inspections primary factors - Answer-"Probability and consequence"
Maximum interval to calibrate pressure gauges used in testing - Answer-"1 year "
Length of time before the API 570 authorized inspector must recertify - Answer-"3
years"
Maximum thickness inspection interval for an injection point - Answer-"Lesser 3 years or
1/2 life"
Maximum external inspection interval for class 1 & 2 piping - Answer-"5 years"
Maximum interval for relief devices in fouling or corrosive service - Answer-"5 years"
, Maximum thickness inspection interval for class 2 & 3 piping - Answer-"Lesser-- 10
years or 1/2 life"
Maximum interval for the RBI reassessment - Answer-"Per table 2"
Repairs --when should temporary welded pipe repairs be replaced - Answer-"Next
opportunity"
2 primary gamma ray RT sources - Answer-"Iridium 192 / cobalt 60"
Lead letter used during RT to check for back scatter radiation - Answer-"B"
Lead letter used during RT to indicate a film side IQI - Answer-"F"
Hole size that must be visible in RT when using a hole type IQI - Answer-"2T"
Minimum light intensity when performing non fluorescent MT / PT / VT - Answer-"100 ft
candles"
Minimum black light intensity when performing MT or PT fluorescent exams - Answer-
"1000 mW/cm2"
Maximum UT scanning speed - Answer-"6" per second"
Maximum allowed thickness on a WPS based on the plate thickness (T) of a PQR test
coupon - Answer-"2T"
The all position" test coupon" - Answer-"6g"
Rejectable in RT when qualifying a welder - Answer-"Crack, Lack of fusion, Incomplete
penetration
Which welding process can a welder not be qualified by RT /UT - Answer-"GMAW -
short circuit"
Variables needed on a WPS - Answer-"Essential and non essential "
Variables needed on a PQR - Answer-"Essential "
Minimum taper required for welds with mismatch - Answer-"30 degrees"
Two most common types of CS pipe - Answer-"A53 & A106"
Maximum allowed SMYS for pipe if fillet-welded patch is installed - Answer-"40000 psi
ANSWERS
Suggested interval for Close internal potential survey of buried pipe with poor CP -
Answer-"5 years"
Suggested interval for evaluation of soil corrosivity for Buried pipe with no CP - Answer-
"5 years"
Maximum thickness inspection interval for class 1 piping - Answer-"Lesser--5 years or
1/2 life"
Inspection--Maximum interval for relief devices in nonfouling or noncorrosive service -
Answer-"10 years"
Inspection--Minimum years of experience for owners inspector during new fabrication -
Answer-"10 years"
Maximum external inspection interval for class 3 piping - Answer-"10 years"
Code to follow when performing an internal inspection on pipe - Answer-"API 510"
Define an imperfection that exceeds the acceptance criteria - Answer-"Defect"
Define a discontinuity that may or may not exceed the acceptance criteria - Answer-
"Imperfection"
Risk based inspections primary factors - Answer-"Probability and consequence"
Maximum interval to calibrate pressure gauges used in testing - Answer-"1 year "
Length of time before the API 570 authorized inspector must recertify - Answer-"3
years"
Maximum thickness inspection interval for an injection point - Answer-"Lesser 3 years or
1/2 life"
Maximum external inspection interval for class 1 & 2 piping - Answer-"5 years"
Maximum interval for relief devices in fouling or corrosive service - Answer-"5 years"
, Maximum thickness inspection interval for class 2 & 3 piping - Answer-"Lesser-- 10
years or 1/2 life"
Maximum interval for the RBI reassessment - Answer-"Per table 2"
Repairs --when should temporary welded pipe repairs be replaced - Answer-"Next
opportunity"
2 primary gamma ray RT sources - Answer-"Iridium 192 / cobalt 60"
Lead letter used during RT to check for back scatter radiation - Answer-"B"
Lead letter used during RT to indicate a film side IQI - Answer-"F"
Hole size that must be visible in RT when using a hole type IQI - Answer-"2T"
Minimum light intensity when performing non fluorescent MT / PT / VT - Answer-"100 ft
candles"
Minimum black light intensity when performing MT or PT fluorescent exams - Answer-
"1000 mW/cm2"
Maximum UT scanning speed - Answer-"6" per second"
Maximum allowed thickness on a WPS based on the plate thickness (T) of a PQR test
coupon - Answer-"2T"
The all position" test coupon" - Answer-"6g"
Rejectable in RT when qualifying a welder - Answer-"Crack, Lack of fusion, Incomplete
penetration
Which welding process can a welder not be qualified by RT /UT - Answer-"GMAW -
short circuit"
Variables needed on a WPS - Answer-"Essential and non essential "
Variables needed on a PQR - Answer-"Essential "
Minimum taper required for welds with mismatch - Answer-"30 degrees"
Two most common types of CS pipe - Answer-"A53 & A106"
Maximum allowed SMYS for pipe if fillet-welded patch is installed - Answer-"40000 psi
