Technical Standards and Safety Authority (TSSA) G3 Practice Exam

Which burner type supplies combustion air at sufficient pressure to overcome the resistance of the burner only?

1. power burner

2. combustion burner

3. forced draft burner

4. fan assisted burner

The correct answer is: fan assisted burner

The correct choice indicates a burner type that utilizes a fan to supply combustion air at a pressure that is adequate to overcome the resistance created by the burner components alone. This means that the fan assisted burner is designed to enhance the airflow directly into the combustion process, ensuring sufficient oxygen mixes with the fuel for effective combustion. In a fan assisted burner, the fan elements are crucial as they generate the necessary pressure difference that helps to pull the combustion air through the burner system without additional assistance or complexity. This design is particularly beneficial in applications where air supply conditions may not be ideal and additional pressure is needed to ensure proper combustion. Understanding the dynamics of combustion and air supply is essential in managing efficiency and safety in systems using these burners. This helps clarify why other burner types, such as power burners, combustion burners, and forced draft burners, may utilize different mechanisms or designs that may not solely rely on the burners' inherent resistance, possibly integrating more complex airflow systems or pressure variances to achieve combustion efficiency.