Basic Wastewater Operator Practice Exam

When a new packing gland is installed and a slow stream of water flows from the packing area, what does this indicate?

1. You need more packing

2. You need to tighten the bolts until no water is leaking out

3. Normal operation

4. You need to loosen the bolts until a fast stream is spraying out

The correct answer is: Normal operation

When a slow stream of water flows from the packing area after a new packing gland is installed, it typically indicates normal operation. A small amount of leakage at the packing gland is often considered acceptable and is necessary for lubricating the packing material. This slight leakage allows for the cooling and lubrication of the gland, helping to prevent the packing from overheating and wearing out too quickly. Having some water escaping is a sign that the packing is forming a seal while still allowing for a controlled and manageable release. It ensures that there is enough water present to maintain the balance between sealing capability and preventing excessive pressure build-up within the packing. In contrast, if there were no water leaking at all or a large amount was flowing out, it might signal an issue requiring attention. Hence, this scenario underscores that a small, slow leak is a part of the operational norm for equipment using packing glands.