Fuel metering systems 3 - Study guides, Class notes & Summaries

NATE Heat Pump Exam Questions And Answers R-22 vapor line diameters and lengths are typically specified for a... - ANS Vapor pressure drop that does not exceed a 6-7 psi or 6 degrees F The primary purpose of using flux when soldering copper or brass parts is... - ANS To prevent oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must... - ANS Drain off and away fro the outdoor coil to prevent excessive ice build up on the bottom of the co...

  1. The NFPA standard for the inspection, testing and maintenance of wa- ter-based fire protection is Answer: NFPA 25 2. Is an additive in a sprinkler system Answer: Foam - NFPA 25 A.13.4.5.2.2.3.B 3. Trip testing the quick-opening device should be in accordance with the Answer: - Manufacturer's Instructions Ref # NFPA 25 A-13-4-5-2-2-3-B 4. Heat tracing shall be inspected and maintained in accordance with the requirements. Answer: Manufacturer's Ref. # NFPA 25 5.2.6 5. The t...

1) Check for vehicle test restrictions (AWD, GVWR, etc). If test restrictions apply, inform the customer. 2) Ensure the customer is provided an estimate and the required test type is determined prior to drafting the invoice 3) Check hat all required equipment is up-to-date, maintained, and calibrated 4) Ensure vehicle is safe to test What are the steps of the Pre-Inspection/Pre-Repair Check List? 1) If a stations lacks the equipment, tools, personnel, reference materials necessa...

HVAC NATE Heat Pump Exam Questions With Correct Answers Updated 2024/2025 (Graded A+) What is the primary purpose of using flux when soldering copper or brass parts? -Ans Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? -Ans Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? -AnsExcessive ice can build up on the bottom of the coil and can reduce capacity. What is the component th...

  1. The inspection of water based foam fire suppression piping systems may be performed by a valid C of F holder. S-15 Answer: S-15 2. A concentrate based on fluorinated surfactants with a foam stabilizer and diluted with water to a 1 percent, 3 percent or 6 percent solution is best described as a(n) Answer: Answer: Aqueous Film Forming Concentrate (AFFF) 3. A shall be painted red with contrasting bright caps. Answer: Fire Department foam connection, orange 4. What type of fire p...

NATE Heat Pump Exam Questions And Answers R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed... - ANS 6-7 psi or 6°F The primary purpose of using flux when soldering copper or brass parts is to... - ANS Prevent oxidation The water that results from a defrost cycle of an air to air heat pump (runoff) must drain off and away from the outdoor coil to... - ANS Prevent excessive ice can build up on the bottom of the coil and red...

HVAC NATE Heat Pump Exam Questions and Answers 100% Pass On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? -Answer-6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - Answer-Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? - Answer-Drain off and away from the outdoor coil. Why must the runoff be drained off and away from...

You are an external BA with a frequency bais of 20 MW/.1 Hz that sees a frequency of 60.02 due to a large loss of load in the contingent BA. If your generator governor control systems responded to the frequency deviation approximately how much of a generation change would you BA experience? -4MW Net actual interchange minus Net scheduled interchange is what? Inadvertent interchange Suppose your interconnection operators at 59.97 Hz from one minute after midnight to noon and operate a...

A transmission line is operating with a voltage phase angle different of 30 degrees between the sending Vs and the receiving bus Vr. If the receiving end load is suddenly increased, the voltage phase angle difference will be? The phase angle will increase. When load is increased phase angle will increase. A load has a power factor of 0.9 lagging. If the load draws 100 MVA, what is the MW draw? 90 pf= mw/mva The high side of a delta-wye connection transformer is connected to a power s...

HVAC NATE Heat Pump Questions and Answers with Certified Solutions On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? E...