GPT Gas Pipe Installation & Repair

Question 1

What is the primary purpose of pressure testing in gas pipe installation?

Accepted Answer

To detect leaks and verify system integrity

Answer

To check for corrosion only

Answer

To increase gas flow speed

Answer

To eliminate the need for pipe fittings

Question 2

Which type of pipe material is commonly used for underground gas pipelines?

Accepted Answer

Polyethylene (PE) pipe

Answer

PVC pipe

Answer

Copper pipe

Answer

Cast iron pipe

Question 3

What is the function of a gas shut-off valve?

Accepted Answer

To isolate gas flow for safety or maintenance

Answer

To increase gas pressure

Answer

To prevent corrosion in pipes

Answer

To monitor gas temperature

Question 4

Which tool is commonly used to detect gas leaks in a pipeline?

Accepted Answer

Electronic gas leak detector

Answer

Infrared thermometer

Answer

Caliper gauge

Answer

Torque wrench

Question 5

Why is proper ventilation important in gas pipe installation?

Accepted Answer

To prevent hazardous gas buildup and ensure safety

Answer

To increase gas pressure

Answer

To decrease pipeline length

Answer

To regulate gas color and odor

Question 6

Which safety measure should always be taken before performing gas pipe repairs?

Accepted Answer

To turn off the gas supply before maintenance

Answer

To increase gas flow to check for leaks

Answer

To remove all pipe fittings

Answer

To apply sealant without shutting off gas