K3 Pressure Testing PPT Flashcards
Code tables are the minimum pressure test values. You may exceed the time and pressure.True or False
True
You can use a hand pump or compressor to pressurize the gas piping. True or False
True
Your gauge must be minimum ___% of test pressure and maximum ___%
15%
300%
Pressure test gauge must read in increments not more than 2psig or __% of the max dial reading of the pressure gauge. Whichever is _____
2%
less
Why do we purge? (2)
- safely introduce gas into pipe (gasifying)
- safely remove fuel gas for purpose of abandonment or repair
Can not have more than ___% boost or drop on a regulator
10%
Regs publish performance characteristics for; (4)
- boost
- droop
- lock up
- set-point
When commissioning regulators. gauges must be installed _______ and _______ of the regulator
upstream and downstream
While commissioning in low fire, you must adjust downstream pressure by?
adjusting screw
While commissioning in high fire you must ensure there is not more than 10% of _______ or ________
droop or boost
While in high fire you shall confirm the inlet pressure at your regulator. Keep in mind the pressure drop can be as high as ____%
50%
When the inlet pressure is in excess of 0.5psig, the pressure regulator should be a ____ ___ type
lock up