NATE core Exam Questions With 100% Correct Answers Latest Updated 2024/2025 (GRADED A+)

NATE core Exam Questions With 100% Correct Answers Latest Updated 2024/2025 (GRADED A+) Class A - Ordinary Extinguisher 2. Class B - Liquid Extinguisher 3. Class C - Electrical Extinguisher 4. Asphyxiation causes what? - Nausea, Dizziness, Heart Irregularities, and Unconciousness 5. Ladder must be at what dimensions in relation to a house? - 4 ft for every 1 ft, 3 ft above the top of the roof. 6. What different amounts does Copper Tubing come in? - 25, 50, 100 7. Soft drawn copper tubing means what? - Copper tubing that is on a roll 8. Hard drawn copper tubing means what? - Copper tubing that is bought long (a stick) 9. Type K Copper Tubing - Green and thick 10. Type L Copper Tubing - Blue and medium 11. Type M Copper Tubing - Red and thin 12. How is copper tubing measured in ACR? - 1/2 in OD (Outside Dimensions) 13. Armaflex - Adhesive used with copper tubing 14. Annealed - Softened by heat treatment NATE core Exam Questions With 100% Correct Answers Latest Updated 2024/2025 (GRADED A+) [Date] 2 15. Flux - Compound that minimizes oxidation, does NOT clean copper. 16. Nitrogen Tank needs what? - Regulator (controls tank pressure) 17. Human Comfort is achieved by what factors? - Temperature, Humidity, and Air Quality 18. Do refrigerants expire? - No 19. What are the two types of humidifiers? - Fan powered type and Bypass type 20. Bypass Type Humidifier - Open in heating/closed in cooling 21. Specific Heat - BTU/Ib/F 22. Specific Heat of water - 1 23. Specific Heat of ice - 0.5 24. Infiltration - Outside air seeping inside