3. Which of the following is an abnormal pressure drop when performing leak test
procedure number 1 that would require you to troubleshoot a malfunction?
a. For large cylinders, over 100 psig per 7-minute period.
b. For large cylinders, over 50 psig per 7-minute period.
For small cylinders, over 100 psig per 5-minute period.
d. For small cylinders, over 50 psig per 12-minute period.
4. You are troubleshooting a malfunction found in leak test procedure number 2. You
have closed the flow control valve to its stop. Which of the following statements
describes the probable reason why a flow meter would still show a flow?
a. The cylinder valves are still open.
b. The supply hoses are incorrectly connected.
The flow control valve needs repair.
d. The regulator assembly is faulty.
5. While performing leak test procedures numbers 3A and 3B, you discovered that
the pressure did not rise normally. Which of the following procedures do you use
to troubleshoot the cause?
a. Tighten the absorber clamp screw being careful not to over tighten.
b. Open the gas evacuator/relief valve to allow the pressure to rise normally.
Loosen the absorber drain spigot so condensate can drain properly.
d. Verify you have removed any protective closure devices used in the test.
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