GPT Preventive Maintenance Procedures 2

Question 1

How often should gas pipe technicians perform a full visual inspection of above-ground gas piping in a commercial facility?

Accepted Answer

Annually at minimum

Answer

NFPA 54 and most jurisdictions require at minimum an annual visual inspection of above-ground gas piping in commercial facilities.

Question 2

Which tool is most appropriate for detecting small gas leaks during a preventive maintenance inspection?

Accepted Answer

Combustible gas detector (CGI)

Answer

A combustible gas indicator (CGI) is the standard tool used to sniff for gas leaks at joints, valves, and fittings during PM inspections.

Question 3

During a PM inspection of a gas drip leg, what is the technician's primary concern?

Accepted Answer

Removing accumulated liquid condensate and debris

Answer

Drip legs collect liquid condensate and debris that could damage appliances; the PM task is to drain or remove this accumulation.

Question 4

What should a technician do if a gas shutoff valve is found to be stiff or difficult to operate during a PM inspection?

Accepted Answer

Document it and apply an approved lubricant or schedule replacement

Answer

Stiff valves should be lubricated with an approved lubricant or flagged for replacement to ensure they can be closed quickly in an emergency.

Question 5

When inspecting flexible gas connectors during a PM visit, which condition requires immediate replacement?

Accepted Answer

Connector shows kinking, corrosion, or physical damage

Answer

Kinked, corroded, or physically damaged flexible connectors are a serious fire and explosion hazard and must be replaced immediately.

(GPT) Gas Pipe Technician Certification Practice Test