Dat questions and answer - Study guides, Class notes & Summaries

HVAC NATE Heat Pump Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: What is the capability of electronic programmable room thermostat to reset the set point early so that the space temperature reaches a set temperature at a specific time called? Answer: Computed recovery Question: What is an important reason for using electronic controls? Answer: They can make decisions based on many inputs. Question: When using a dou...

HVAC Gas Heat Certification Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: A technician wraps a thermostat wire ten times around his clamp-on ammeter and measures 5.5 amps between R and W terminals on the thermostat sub-base. He should set the heat anticipator to Answer: 5.5 Question: A gas valve with 100% shut-off means Answer: Gas to a pilot and manifold is shut-off Question: A gas furnace has an electronic control...

HVAC NATE Gas Heat Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: Differential pressure gauge (also called a manometer) is used to... Answer: Measure duct static pressure Question: A line voltage fuse is used to protect from... Answer: Excessive voltage Question: Forced air residential/ light commercial gas furnaces provide heat by... Answer: Circulating air across the heat exchanger Question: No mechanical fasten...

HVAC Gas Heat Certification Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: These are small burners used to ignite the gas burner on conventional gas furnaces? Answer: Pilots Question: What are the safety devices at the standing pilot? Answer: Flame Proving device, Thermocouples and Thermopiles, Bimetallic safety device and liquid filled remote bulb Question: A standard thermocouple is capable to generate how man...

HVAC Gas Heat Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: Why is specific gravity of a gas important? Answer: It affects the gas flow through the piping and through the orifice of the furnace. Q: What is an orifice and a spud? Answer: An orifice is a precisely sized hole in a gas fitting which gas flows from the manifold to the burners. A spud is another name for a gas fitting. Q: If both a light gas and a heavy gas are at...

HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: When starting up a dual system, the temperature rise method for determining airflow cannot be used with compressor cycle of the heat pump because: Answer: The capacity of the system varies too much with outdoor temperature. Q: The flame pattern a technician would expect to see on a properly operating single stage gas furnace equipped with "in shot" type burner is a:...

HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: Why is excess air supplied to all gas-burning appliance burners? Answer: to ensure that there is enough air all all times. Q: The purpose of a gas regulator at a gas burning appliance is to? Answer: B. decreases the pressure to the burner Q: Ture or False: All gas valves snap open and closed. Answer: False Q: Which of the followin...

Dat (Delta Achievement Test) Exam Questions and Answers. What is the mission statement? - ANSWER Delta Sigma Theta Sorority, Inc. is an organization of college educated women committed to constructive development of its members and to public service with a primary focus on the black community. What Convention was the Grand Chapter established? - ANSWER First national convention What was the purpose of the National Vigilance Committee? - ANSWER To keep in touch with the political and civic...

HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: What is the volume of flue gas produced from a 60,000 BTU/h Category I fan assisted Natural Gas furnace operating with 50% excess air? Answer: 600 cu ft. Q: The purpose of a flue baffle is to Answer: Increase heat exchange Q: The LP gas pressure supplied to the appliance gas valve should be Answer: 11 - 13 in. W.C. Q: An installed gas furna...

TCFP & GFD HAZMAT AWARENESS,OPS TEST Questions and Answers Latest Updated 2024/2025 Graded A+ | 100% Verified. When dealing with a radiological incident involving a leak or spill, what exposure guidelines should the hazmat first responder use to minimize radioactive contamination? - Time, distance, shielding 3.A reference book intended as a guide to aid emergency responders to guide quickly and identify specific hazards during the initial phase is the: - DOT, Emergency Response Guidebook T...