A current moving across a lock entrance...

Question 1 / 2707066636ee928f7522a1c5194b4

Question 1 of 2707066636ee928f7522a1c5194b4

A current moving across a lock entrance toward the river or toward the dam is known by which term?

Question 1 of 27070

A current moving across a lock entrance toward the river or toward the dam is known by which term?

🔍 Key Concepts

• River lock hydraulics and how current behaves near a lock entrance • Terminology for a current moving across a lock entrance, especially toward the river or dam • How towboat pilots describe difficult sideways set of current at locks

💭 Think About

• Think about which term you have heard associated with a strong sideways set of current pushing a vessel across the face of a lock or toward a dam. • Ask yourself which word sounds like it describes water being drawn out or pulled away from the lock, versus words that sound more like pool levels or structural features. • Consider which options are actually used on inland rivers: have you ever heard lock operators warn about this kind of current by name over the radio?

✅ Before You Answer

• Verify which term is used in U.S. inland river/lock navigation guides and training materials to warn mariners about lateral current at lock approaches. • Eliminate any answers that refer to water level conditions (like high or low pool) rather than the direction of flow. • Check that the term you choose logically matches the idea of water moving away from or across the lock entrance toward the river or dam, not just swirling or standing water.

Question 1 of 27070

A current moving across a lock entrance toward the river or toward the dam is known by which term?

Outdraft

Cutoff

Springpool

Lockwash

Question 1 / 2707066636ee928f7522a1c5194b4

Question 1 of 2707066636ee928f7522a1c5194b4

A current moving across a lock entrance toward the river or toward the dam is known by which term?

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Question 1 of 27070

A current moving across a lock entrance toward the river or toward the dam is known by which term?