What common household items can interfere with smoke detector performance?

Prepare for the FDNY CoF Cleaning and Testing Smoke Detectors (F-78) Exam. Utilize our flashcards and multiple choice questions with detailed explanations. Enhance your knowledge and get exam-ready!

Aerosol sprays, cooking oils, and certain types of dust can significantly interfere with smoke detector performance because they can create particles or residues that disrupt the detector's ability to detect smoke. Aerosol sprays can release chemicals that might falsely trigger the alarm or coat the sensor, reducing its sensitivity. Cooking oils can create a film over the sensor when they become airborne during cooking, leading to potential malfunctions or delayed responses to actual smoke. Certain types of dust can accumulate within the unit, which can block the sensor or alter its readings.

In contrast, the other options listed, such as television sets, computers, air conditioning units, refrigerators, furniture polish, and cleaning solutions, do not typically create the same direct interference with the functioning of smoke detectors. While it's essential to ensure that smoke detectors are installed away from excessive dust or airborne particles, the specific items in the correct choice are known to have a more immediate and direct effect on the performance of smoke detectors.

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