Sample interview questions: Can you explain the importance of proper ventilation in drain maintenance or repair?
Sample answer:
Importance of Proper Ventilation in Drain Maintenance and Repair:
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Prevents Clogs and Odors: Adequate ventilation allows harmful gases like methane and hydrogen sulfide to escape, reducing the risk of blockages caused by bacterial growth and foul odors. Proper venting facilitates the flow of air and ensures the drain system functions optimally.
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Prevents Backups and Surges: Ventilation equilibrates air pressure within the drain system, preventing water from backing up or surging into fixtures. By maintaining atmospheric pressure, proper venting allows water to flow efficiently without causing overflows or damage to appliances.
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Protects Health and Safety: Venting drains dissipates hazardous gas… Read full answer
Source: https://hireabo.com/job/12_0_10/Drain%20Technician