Plumbing 301 Chapter 13 Questions with Correct Answers

Which of the following are used for smaller loads and lower pressures? Correct Answer Displacement meters Which of the following is defined as a reduction in the primary air intake area that reduces the amount of gas being burned and results in a smaller,soft,lazy flame? Correct Answer Under firing Which of the following results when the blower is arranged to blow air intro the combustion chamber? Correct Answer Forced draft Which of the following are used for large volumes and are suitable for any pressure? Correct Answer Rotary meters Who created the injection burner? Correct Answer Bunsen A (n) ..... burner uses a motor-driven blower to deliver primary and secondary air to the combustion zone. Correct Answer Power A (n) ......... is the most often used burner style for small-fired appliances. Correct Answer Injection Many standing pilot appliances are being replaced with ........... ... devices because of the growing need for fuel economy and efficiency. Correct Answer Intermittent Use The principal control device used to achieve lower pressures in gas supply systems is called a (n) ........ ......... Correct Answer Pressure regulator A (n) ........ burner does not use any primary for combustion. Correct Answer Luminouary