Hvac Operator Interview Questions and Answers for Freshers

Preventive maintenance takes time to ensure equipment is functioning properly and prevent breakdowns.

• Preventive maintenance involves inspecting and cleaning equipment to ensure it is functioning properly.

• It also involves replacing worn or damaged parts before they cause a breakdown.

• Regular maintenance can help prevent costly repairs and downtime.

• Examples of preventive maintenance tasks include changing air filters, lubricating moving parts, and checking electrical connections...read more

Performance verification takes time to ensure that the HVAC system is functioning properly and efficiently.

• Performance verification involves testing and measuring various components of the HVAC system.

• This process can take several hours or even days depending on the size and complexity of the system.

• The goal is to ensure that the system is operating at peak performance and efficiency, which can save energy and reduce costs.

• Examples of tests that may be performed include airfl...read more

Temperature control is achieved through the use of HVAC systems that regulate the flow of air and heat.

• HVAC systems use sensors to detect the temperature in a room or building

• The system then adjusts the flow of air and heat to maintain a desired temperature

• This is achieved through the use of thermostats, dampers, and fans

• For example, if the temperature is too high, the system will increase the flow of cool air and decrease the flow of warm air

• If the temperature is too low, th...read more

RH control refers to the regulation of relative humidity levels in a given space.

• RH control is important for maintaining indoor air quality and preventing mold growth.

• It can be achieved through the use of HVAC systems, dehumidifiers, and ventilation.

• RH levels should ideally be kept between 30-50% to ensure comfort and health.

• Factors such as temperature, air flow, and moisture sources can affect RH levels.

• Monitoring RH levels regularly is crucial for effective control.