Florida Drinking Water Operator "B" Practice Test

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Study for the Florida Drinking Water Operator "B" Test. Use multiple choice questions, flashcards, and explanations to prepare. Ace your certification!

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What is adjusted to control leakage from the stuffing box of a pump?

Sealing Ring
Discharge Valve
Packing Gland
Control Switch

The correct answer is: Packing Gland

The packing gland is the component that is adjusted to control leakage from the stuffing box of a pump. In a pump, the stuffing box seals the area where the pump shaft enters the casing. The packing within this stuffing box is compressed by the packing gland, which helps to create a seal and minimize the fluid leakage that can occur at this junction. When the packing gland is tightened, it increases the compression on the packing material, thereby reducing the amount of liquid that can leak out around the shaft. Proper adjustment is crucial to maintain efficient operation and minimize loss of the pumped fluid, while also ensuring that the pump operates smoothly without excessive wear or overheating due to friction. The other options, such as sealing ring, discharge valve, and control switch, do not serve the same purpose of managing leakage at the shaft entry point of a pump. The sealing ring might be used in conjunction with other sealing methods but does not specifically address the stuffing box. The discharge valve is related to controlling the flow out of the pump, while the control switch is associated with starting or stopping the pump rather than managing leakage.