A safety valve on an auxiliary boiler simmers constantly and cannot be stopped by several quick blow-offs using the hand-relieving gear. The problem may be __________.
A
loose dirt on the seat
B
exposed valve springs
C
a clogged drain line
D
a damaged seat
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Question 1 / 205eccefa0bacbc34ba4d46d6d
Question 1 of 205eccefa0bacbc34ba4d46d6d
A safety valve on an auxiliary boiler simmers constantly and cannot be stopped by several quick blow-offs using the hand-relieving gear. The problem may be __________.
A safety valve on an auxiliary boiler simmers constantly and cannot be stopped by several quick blow-offs using the hand-relieving gear. The problem may be __________.