Preview Questions HVAC Technician | Role Specific Skill

Question 1: What is the significance of a system's EER (Energy Efficiency Ratio)?

Which action should you take?

Choose only one option

It represents the efficiency of the compressor

It determines the level of refrigerant used

It measures the airflow rate

It compares cooling output to electrical input

Question 2: Which of the following regulations dictates the use of low global warming potential (GWP) refrigerants in new HVAC installations?

Which action should you take?

Choose only one option

The National Electric Code (NEC)

The Energy Policy Act (EPACT)

The Occupational Safety and Health Act (OSHA)

The EPA's Significant New Alternatives Policy (SNAP)

Question 3: How should a technician address a system that is freezing up during operation?

Which action should you take?

Choose only one option

Check the refrigerant level, clean the evaporator coil, and inspect the airflow to the coil

Ignore the freezing issue until the next maintenance cycle

Increase the refrigerant charge

Decrease the refrigerant charge

Question 4: When troubleshooting a non-operating HVAC unit, what is the first component that should be checked?

Which action should you take?

Choose only one option

The refrigerant levels and fan speeds

The power supply, ensuring proper voltage and functionality

The air filters and ducts

The system's operating temperature

Question 5: How often should an HVAC technician perform a system efficiency check as part of preventative maintenance?

Which action should you take?

Choose only one option

Every 5 years

Annually

Every 3 years

Semi-annually

Question 6: When troubleshooting an HVAC system that is not turning on, what is the first step in the diagnostic process?

Which action should you take?

Choose only one option

Check the power supply, circuit breakers, and control wiring

Replace the thermostat immediately

Inspect the refrigerant lines for leaks

Verify the air filter's condition