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HVAC
NATE Air Distribution Service Specialty
Zoning Troubleshooting
Knowledge Check
Zoning Troubleshooting
Knowledge Check
Knowledge Check
1 / 10
A PSC motor in a system with severe duct restrictions would behave differently than an ECM blower because the PSC motor would:
A
Slow down and deliver less airflow, making the restriction obvious
B
Increase voltage draw to compensate for the restriction
C
Switch to a higher speed tap automatically
D
Trip the circuit breaker before any airflow reduction occurs
Check Answer
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