G2 Gas Fitter Practice Exam

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Prepare for the G2 Gas Fitter Test. Study using flashcards and multiple choice questions, with hints and detailed explanations for each question. Ensure your success!

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What is the primary purpose of a forced draft burner?

To improve thermal efficiency
To enhance combustion air supply
To cool the combustion process
To stabilize gas pressure

The correct answer is: To enhance combustion air supply

The primary purpose of a forced draft burner is to enhance combustion air supply. This type of burner operates by using a fan to draw in air and force it into the combustion chamber. By increasing the quantity and improving the velocity of the air supplied for combustion, the burner ensures that the fuel burns more completely and efficiently. This results in better combustion efficiency and reduced emissions since the optimal air-to-fuel ratio can be maintained. This configuration is particularly important in applications where the burning conditions need to be controlled tightly, such as in industrial processes or larger heating systems. Enhanced air supply from a forced draft burner helps achieve consistent and reliable combustion, which is necessary for optimal performance and safety in gas-fired systems.