Which of the illustrated motors has a...

Question 1 / 2707066636eed28f7522a1c51d697

Question 1 of 2707066636eed28f7522a1c51d697

Which of the illustrated motors has a totally enclosed motor enclosure? Illustration EL-0001

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Question 1 of 27070

Q

Which of the illustrated motors has a totally enclosed motor enclosure? Illustration EL-0001

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Difference between open and totally enclosed motor enclosures • What visible air openings or vents look like on a motor housing • How a totally enclosed fan-cooled (TEFC) motor is typically constructed and cooled

💭 Think About

• Compare each motor and ask: Can outside air flow directly through the windings, or is everything sealed except for the shaft? • Look carefully at the ends and sides of the housings: which motors clearly show slots, holes, or exposed laminations that air could pass through? • Think about where a motor used in a damp or hazardous space would need extra protection from outside atmosphere.

✅ Before You Answer

• Identify which motors have obvious vent slots or open frames – these are NOT totally enclosed. • Look for a motor where cooling is done by external fins or an outside fan, not by air flowing through internal windings. • Confirm that the choice you select has its interior completely covered by solid end-bells and housing, with no direct openings into the windings.

Question 1 of 27070

Q

Which of the illustrated motors has a totally enclosed motor enclosure? Illustration EL-0001

A

B

C

D

Question 1 / 2707066636eed28f7522a1c51d697

Question 1 of 2707066636eed28f7522a1c51d697

Which of the illustrated motors has a totally enclosed motor enclosure? Illustration EL-0001

Back

Question 1 of 27070

Q

Which of the illustrated motors has a totally enclosed motor enclosure? Illustration EL-0001

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Difference between open and totally enclosed motor enclosures • What visible air openings or vents look like on a motor housing • How a totally enclosed fan-cooled (TEFC) motor is typically constructed and cooled

💭 Think About

• Compare each motor and ask: Can outside air flow directly through the windings, or is everything sealed except for the shaft? • Look carefully at the ends and sides of the housings: which motors clearly show slots, holes, or exposed laminations that air could pass through? • Think about where a motor used in a damp or hazardous space would need extra protection from outside atmosphere.

✅ Before You Answer

• Identify which motors have obvious vent slots or open frames – these are NOT totally enclosed. • Look for a motor where cooling is done by external fins or an outside fan, not by air flowing through internal windings. • Confirm that the choice you select has its interior completely covered by solid end-bells and housing, with no direct openings into the windings.