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Zorluk: KolayRecognizing Implied Cause and Effect

During a routine inspection of the warehouse ventilation unit, the maintenance crew noticed a heavy buildup of dust coating the intake filters. Within two hours of the unit operating under full load, the motor temperature sensor triggered an emergency shutdown. When technicians opened the housing, the drive belts were completely intact and lubrication levels were normal.

Based on the passage, what led to the emergency shutdown of the ventilation unit?

  1. A
    The sudden shutdown of the ventilation unit caused dust to accumulate on the intake filters.
  2. Restricted airflow from clogged filters caused the motor to overheat.Cevap
  3. C
    Mechanical friction from worn drive belts damaged the internal motor components.
  4. D
    An unexpected electrical surge in the warehouse power grid tripped the safety switch.

Cevap

Restricted airflow from clogged filters caused the motor to overheat.
The passage connects dust buildup on intake filters with an emergency shutdown triggered by a motor temperature sensor, while ruling out drive belt and lubrication issues. This implies that the clogged filters prevented adequate cooling airflow, causing excessive heat buildup.

Adım Adım Çözüm

1
Identify the primary symptom and the event described in the passage.
The filters were coated with heavy dust, and the temperature sensor later triggered an emergency shutdown.
Establishing the sequence of facts provides the basis for identifying an unstated causal link.
2
Evaluate and rule out alternative causes mentioned in the text.
Drive belts were intact and lubrication was normal, eliminating mechanical friction or lubrication failure.
Isolating remaining variables confirms the true underlying cause.
3
Deduce the unstated relationship between clogged intake filters and a temperature sensor trigger.
Blocked filters restricted air intake, causing heat buildup that triggered the thermal sensor.
Connecting dust accumulation directly to rising temperature provides the only logically supported cause.

Anahtar Kavram

Recognizing an unstated cause by connecting sequential facts and eliminating ruled-out factors.
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Recognizing Implied Cause and Effect

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