K3 Pressure Testing PPT Flashcards

1
Q

Code tables are the minimum pressure test values. You may exceed the time and pressure.True or False

A

True

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2
Q

You can use a hand pump or compressor to pressurize the gas piping. True or False

A

True

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3
Q

Your gauge must be minimum ___% of test pressure and maximum ___%

A

15%

300%

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4
Q

Pressure test gauge must read in increments not more than 2psig or __% of the max dial reading of the pressure gauge. Whichever is _____

A

2%

less

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5
Q

Why do we purge? (2)

A
  1. safely introduce gas into pipe (gasifying)
  2. safely remove fuel gas for purpose of abandonment or repair
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6
Q

Can not have more than ___% boost or drop on a regulator

A

10%

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7
Q

Regs publish performance characteristics for; (4)

A
  1. boost
  2. droop
  3. lock up
  4. set-point
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8
Q

When commissioning regulators. gauges must be installed _______ and _______ of the regulator

A

upstream and downstream

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9
Q

While commissioning in low fire, you must adjust downstream pressure by?

A

adjusting screw

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10
Q

While commissioning in high fire you must ensure there is not more than 10% of _______ or ________

A

droop or boost

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11
Q

While in high fire you shall confirm the inlet pressure at your regulator. Keep in mind the pressure drop can be as high as ____%

A

50%

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12
Q

When the inlet pressure is in excess of 0.5psig, the pressure regulator should be a ____ ___ type

A

lock up

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