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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q537 - Steam Plants I
413. During unsafe firing conditions in a large automatic auxiliary boiler, various control actuators are interlocked with the burner circuit to prevent start-up, in addition to safety shutdown. These controls are referred to as __________.
Limit controls prevent burner start-up and initiate shutdown when operating conditions exceed safe limits, functioning as safety interlocks wired directly into the burner circuit.
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