Steamfitter Quality Control Procedures 2

Question 1

Which document must be completed before a hydrostatic pressure test can begin on a steam piping system?

Accepted Answer

Pre-test inspection checklist

Answer

A pre-test inspection checklist must be completed to confirm all joints are accessible, gauges are calibrated, and isolation is in place before pressurizing.

Question 2

What is the minimum hold time for a hydrostatic leak test on a high-pressure steam system per ASME B31.1?

Accepted Answer

10 minutes

Answer

ASME B31.1 requires a minimum hold time of 10 minutes at the test pressure before inspection begins.

Question 3

During a visual weld inspection, what condition in a fillet weld would require immediate rejection?

Accepted Answer

Undercut exceeding 1/32 inch

Answer

Undercut exceeding 1/32 inch weakens the base metal at the weld toe and is a rejectable condition per AWS and ASME standards.

Question 4

What does MTR stand for in piping quality control?

Accepted Answer

Material Test Report

Answer

MTR stands for Material Test Report, which certifies the chemical composition and mechanical properties of piping materials.

Question 5

A pipe spool is found to have a heat number that does not match its MTR. What is the correct action?

Accepted Answer

Quarantine and notify the QC manager

Answer

Unverified material must be quarantined and reported to QC management to maintain full material traceability.

(Steamfitter) Steamfitter Pipefitter Exam Practice Test

(Steamfitter) Steamfitter Pipefitter Exam Practice Test

Steamfitter Quality Control Procedures 2