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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q536 - Electrical, Electronic, & Control Engineering
594. Which of the illustrated motors has an open, drip-proof (ODP) motor enclosure
Motor C is the correct answer; it features recessed ventilation slots that allow airflow while deflecting dripping liquid, characteristic of an open, drip-proof (ODP) enclosure. Other motors either have sealed housings (A and D) or lack shielding against liquid ingress (B).
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