Nate gas heat Study guides, Class notes & Summaries

Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40%

NATE Gas Heating Exam Questions and Answers 100% Pass Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% -Answer-C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% -Answer-C: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85% B: 90% C: 100% D: 110% -Answer-B: 90% A thermocouple is ...

NATE Gas Heating Exam Questions with Correct Answers Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% -AnsC: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% -AnsC: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85% B: 90% C: 100% D: 110% -AnsB: 90% A thermocouple is used with: A:...

NATE Gas Heating Exam/ 50 Questions & Answers/ . Terms like: Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - Answer: C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% - Answer: C: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85% B: 90% C:...

NATE Gas Heating (Air) Service Prep Exam Study Guide 2024...

3/8 to ½ inch of the end of the thermocouple Correct Answer Should be enveloped by the pilot flame A control string is defined as two or more switch contacts connected in a circuit, or set of circuits, to control a load. In order to troubleshoot a load controlled by a control string, the technician must first: Correct Answer Check for proper voltage applied across the load. A customer complains the unit is "blowing cold air". The technician determines that the problem occurs at the end ...

What precautions are required when mounting any gas furnace on a wood platform in an attic? Correct Answer None The gas control valve may be damaged if exposed to an inlet pressure above what? Correct Answer 14 inch W.C. How many elbows and joints should a vent connector have? Correct Answer As few as possible to reduce resistance of flue gases. Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the water heater: Correct Answer Und...

Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - Answer C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% - Answer C: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85%

Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% - C: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85% B: 90%C: 100% D: 110% - B: 90% A thermocouple is used with: A: Intermittent pilot systems B: Direct spark ignition systems ...

NATE Gas Heat Practice Guid