102j

Question 1

At a working pressure up to and including 2psig.
Test pressure and duration for 200ft of pipe or less

Answer 1

15psig for 15 min

Question 2

At a working pressure up to and including 2psig.
Test pressure and duration for more than 200ft of piping

Answer 2

15psig for 60min

Question 3

At a working pressure over 2psig but less than 33psig
What is the test pressure and duration for under 200ft of pipe

Answer 3

50psig for 60 min

Question 4

At a working pressure over 2psig but less than 33psig
What is the test pressure and duration for pipe over 200ft

Answer 4

50psig for 180min

Question 5

What is the test duration and pressure for finish piping

Answer 5

10 min at working pressure

Question 6

How do we test the Valve Train (Manifold piping)

Answer 6

Burner must be running and use a leak detector

Question 7

What is the psi exerted by a 1”x12” water column?

Answer 7

0.434psi

Question 8

What is natural gas main pressure?

Answer 8

12-80psig

Question 9

What is the building supply natural gas pressure?

Answer 9

7-14”WC

Question 10

What is the finish piping gas pressure?

Answer 10

3-4WC

Question 11

How is standing pressure taken?

Answer 11

Between meter and appliance with no gas flow

Question 12

How is operating pressure taken?

Answer 12

Between meter and appliance with all appliances firing

Question 13

How do we get gas pressure differential?

Answer 13

The difference between operating pressure and standing pressure

Question 14

How do we measure manifold pressure?

Answer 14

Taken between the control valve and burner while the appliance is running

Question 15

What does the first stage regulator do in a propane system?

Answer 15

Reduce pressure to 5-10psig

Question 16

What does the second stage regulator do in a propane system?

Answer 16

Reduce pressure to 11”WC