What can clogged ventilation ducts in a D.C....

Question 1 / 205eccefa4bacbc34ba4d484d4

Question 1 of 205eccefa4bacbc34ba4d484d4

What can clogged ventilation ducts in a D.C. motor lead to?

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Question 1 of 20

5eccefa4bacbc34ba4d484d4

What can clogged ventilation ducts in a D.C. motor lead to?

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🔍 Key Concepts

• Cooling and ventilation in electric motors and why airflow is important • What happens to the temperature of equipment when heat cannot escape • How motor insulation and windings are affected by poor cooling

💭 Think About

• Think about the purpose of ventilation ducts in a D.C. motor—what are they mainly there to do? • If air cannot move through the motor, what happens to the heat produced during normal operation? • Which option describes a direct physical effect of poor cooling, rather than an electrical quantity that might change indirectly?

✅ Before You Answer

• Identify which choice is a thermal effect rather than an electrical parameter like volts, amps, or ohms • Consider what failure or damage could occur first when a motor runs without proper cooling • Ask: which option would a designer be MOST worried about if the ventilation became blocked? That’s your strongest clue.

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Question 1 of 20

What can clogged ventilation ducts in a D.C. motor lead to?

reduced voltage

reduced current

increased resistance

overheating

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