Type m copper tubing - Study guides, Class notes & Summaries

NATE A/C Exam 1 Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator - Answer-A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrigerant, evacuat...

NATE Core (2022/2023) with Certified Solutions Class A Ordinary Extinguisher Class B Liquid Extinguisher Class C Electrical Extinguisher Asphyxiation causes what? Nausea, Dizziness, Heart Irregularities, and Unconciousness 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. What different amounts does Copper Tubing come in? 25, 50, 100 Soft drawn copper tubing means what? Copper tubing that is on a roll Hard drawn copper tubing me...

HVAC Copper And Piping Verified Exam Questions With Correct Answers 2024. Of the following copper tubing types, the one with the thinnest wall is? - CORRECT ANSWER Type M. Which of the following gases may be safely used to pressure test a refrigeration system? - CORRECT ANSWER Nitrogen. The type of plastic pipe that is primary connected with clamps is? - CORRECT ANSWER PCV. Refrigeration tubing size are expressed in terms of? - CORRECT ANSWER Outside diameter of the tube. Saw blade ...

ABSA 5th Class | 250 Questions | With Completed Solutions. Where are the return openings located regarding air distribution systems? Return air openings are located on inner walls. The minimum temperature of the water used in a hydrostatic test of a boiler cannot be less than what temperature? 20 degrees Celsius Which of the following are causes of pressure explosions? 1. effects of corrosion 2. weak pilot flame 3. stressed material due to heating too quickly 4. insufficient p...

1 GENERAL MAINTENANCE DRIVER'S PERMIT MANUAL TN EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Usually if a motor in a system feels hot and you think it is overloading you should not open the flow valve further because? Correct Answer: Increase in flow will usually increase the horsepower requirements. Net positive suction head is? Correct Answer: The amount of absolute pressure actually available at the suction inlet of the pump to force the liquid up the pump...

The ventor motor on a power vent water heater fails, this component prevents operation? a)Pressure relief valve b)ECO switch c)High limit switch d)Pressure Switch - correct answer -Pressure Switch What is the ignition temperature for natural gas? a)920 degrees Fahrenheit b)1000 degrees Fahrenheit c)1300 degrees Fahrenheit d)3600 degrees Fahrenheit - correct answer -1300 Degree F A yellow flame is the result where there is no premixing of primary air with gas prior to ignition. Wha...

1 LEVEL 1 PLUMBING EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ AHJ Correct Answer: Authority Having Jurisdiction cross-connection Correct Answer: Physical link of potable water and dirty water DWV Correct Answer: Drain Waste Vent LEED Correct Answer: Leadership in Energy and Environmental Design Potable Correct Answer: suitable for drinking 2 OSHA Correct Answer: Occupational Safety and Health Administration Personal fall arrest system Correct Answer: P...

COSC 325 Houston (plumbing) sample questions and solutions |latest updates | GRADED A+ SS - ANSWER Sanitary Sewer ABS - ANSWER Black plastic material VTR - ANSWER vent through roof Primary Purpose of roof vent - ANSWER Let air into system What division is plumbing - ANSWER 22 Invert Depth - ANSWER elevation of the bottom inside of the pipe DW - ANSWER Domestic Water CPVC (chlorinated polyvinyl chloride) - ANSWER hot and cold water supply, off white color FDC - ANSWER Fire Dep...

The best tool for adjusting and setting the pressure on an appliance regulator: a. Manometer b. Velometer c. Psychrometer d. An analyzer - Manometer 3/8 NPS black iron pipe shall? a. Not be used for propane b. Not be used in a concealed location c. Not be used for natural gas d. Not be used for indoors - Not be used in a concealed location (6.3.9) A corrugated metal gas connector connected to a range must not exceed? a. 6' b. 5' c. 3' d. 4' - 6' (6...

NATE Core questions and answers 2023Class A Ordinary Extinguisher Class B Liquid Extinguisher Class C Electrical Extinguisher Asphyxiation causes what? Nausea, Dizziness, Heart Irregularities, and Unconciousness 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. What different amounts does Copper Tubing come in? 25, 50, 100 Soft drawn copper tubing means what? Copper tubing that is on a r...