If a small electric motor is immersed in...

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Question 1 of 205eccefa4bacbc34ba4d484d6

If a small electric motor is immersed in salt water, in addition to tending to bearing lubrication issues, what should be done prior to placing it back into operation? washed in fresh water dried in an oven

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🔍 Key Concepts

• Effect of salt water on metals and electrical components • Purpose of fresh water rinsing after salt exposure • Safe methods for drying electrical equipment before re-energizing

💭 Think About

• Think about what salt water leaves behind when it dries on metal and electrical parts. How might that affect the motor if you restart it right away? • What is the reason technicians often rinse salt-contaminated equipment with fresh water instead of letting it air dry as-is? • Is simple surface drying enough for an electric motor, or do you need a more thorough method to remove moisture from internal windings and bearings?

✅ Before You Answer

• Consider whether salt residue can still conduct electricity after the water is gone • Consider whether the inside of the motor (windings, bearings) will dry as quickly as the outside in normal air • Ask: in a maintenance manual, would it be more conservative to both neutralize/remove salt and ensure complete drying, or to skip one of those steps?

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