API API-570 Practice Exams
Last updated on Oct 22,2026- Exam Code: API-570
- Exam Name: Piping Inspector
- Certification Provider: API
- Latest update: Oct 22,2026
Question #41
In lieu of the required heat treatment after welding, what may be used as an alternative?
- A . Normalizing/annealing
- B . Quenching
- C . Air Hardening
- D . Strain Harmonics
Question #42
The inspector shall approve all repair and alteration work at designated times, referred to as_______.
- A . hold points
- B . work stop points
- C . inspection delay points
- D . inspector’s discretion
Question #43
Given the above information, what is the short term corrosion rate of the above piping system?
- A . 0.055 inches per year
- B . 0.005 inches per year
- C . 550 Inches per year
- D . Not enough information given
Question #44
In piping systems, the most easily detected problem during operation is.
- A . pipe wall thickness
- B . pipe wall thinness
- C . pipe coating condition
- D . leaks
Question #45
all suspect areas and areas of damaged insulation should be examined?
- A . 10%
- B . 33%
- C . 50%
- D . 100%
Question #46
The formula t = PD/2SE computes the.
- A . Minimum required piping thickness
- B . maximum piping thickness
- C . minimum piping thickness
- D . average piping thickness
Question #47
Who is authorized to make a tack weld?
- A . A qualified welder
- B . A helper
- C . A fitter
- D . The welding foreman
Question #48
A visual examination of performance test coupons shall_______.
- A . show complete joint penetration and complete fusion of weld metal and base metal
- B . show no more than 1/3t inadequate penetration
- C . show no more than 1/3t non fusion
- D . be allowed one 5/32" crater crack
Question #49
A qualified welder may seal weld a threaded joint if_______.
- A . the joint is leaking
- B . the joint has straight threads only
- C . the joint has tapered threads only
- D . all exposed threads are covered
Question #50
Erosion of the piping system usually occurs at:
- A . Elbows
- B . Along straight run pipe
- C . Upstream of pump discharges
- D . Any low-velocity and low-turbulence areas