The rupture disk on a low-pressure appliance should be:
a.Adjusted to a higher setting for leak testing
b.Replaced with a plug for service
c.Removed during recovery
d.Kept sound and never bypassed
Explanation
The rupture disk is a critical safety device protecting the low-pressure shell and must be kept in good condition and never bypassed, plugged, or adjusted. Test pressure must stay below its typical 15 psig setting, which is why 10 psig is the leak-test limit. Tampering with it endangers the technician and the equipment.
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