API Piping Inspector (API-570) Free Practice Test
Question 1
The downstream limit of the injection point circuit is the second change in flow direction past the injection point or:
Correct Answer: A
Question 2
Welding repairs of cracks that occurred in-service should not be attempted without prior consultation with the
Correct Answer: C
Question 3
With respect to a Class 400, NPS 12 slip on raised face flange, whose edges of the gasket do not extend to the bolt, what is the outside diameter of the gasket?
Correct Answer: D
Question 4
Why should a leaking threaded joint not be tightened while the system is in service?
Correct Answer: C
Question 5
On a class 1500 NPS 4 blind flange, what is the minimum thickness permitted?
Correct Answer: B
Question 6
What is the acceptable method to temporarily repair a longitudinal crack in an existing piping system?
Correct Answer: C
Question 7
Excessive cyclic stresses that are well below the static yield strength of the material result in.
Correct Answer: C
Question 8
The repair organization shall maintain records of welding procedures and welder qualifications and make the records available to the inspector_____.
Correct Answer: A
Question 9
Determine the MAWP of the following piping system , at the next inspection, based on the following Design pressure/temperature Pipe description Outside diameter of pipe, D Thickness determined from Inspection Observed Corrosion Rate Next planned inspection 100 psig/100°F NPS 20, Sch. std, A 106 B 20"
0.280"
0.02 inches/year 5 Years
MAWP=
0.280"
0.02 inches/year 5 Years
MAWP=
Correct Answer: A