G2 Practice Exam Set Solution Questions And Revised Correct Answers PASSED!!

G2 Practice Exam Set Solution Questions And Revised Correct Answers PASSED!! What makes a flame capillary sensor tube prove pilot to main gas valve? A. Trial for ignition. B. Glow coil. C. Pilot flame. D. Intermittent pilot. - ANSWER : C. Pilot flame. What is the minimum diameter of a pressure gauge needed to perform leak test on gas piping? A. 2" B. 2 - 3/4" C. 3" D. 3 - 1/2" - ANSWER : c. 3" Amp meter can read what? A. Pressure drop. B. Conductor magnetic field. C. Load in parallel wires. D. Direct power across loads. - ANSWER : B. Conductor magnetic field. What would be the primary voltage of a furnace? A. 120/2/60. B. 24/1/60. C. 120/24/60. D. 120/1/60. - ANSWER : D. 120/1/60. What is the function of an intermittent pilot? A. Shut off after main burner. B. Stay on before and after main burner. C. Power up the thermocouple. D. Stay on during the main burner operation. - ANSWER : D. Stay on during the main burner operation. What is the millivolts power output on a closed circuit test? A. 20 to 30 millivolts. B. 10 to 15 millivolts. C. 2 to 4 millivolts. D. 10 millivolts or less. - ANSWER : B. 10 to 15 millivolts. A pilot with a lazy yellow flame would indicate? A. Orifice too small. B. Mid to high gas pressure. C. Target pilot orifice. D. Orifice size too large. - ANSWER : A. Orifice too small. For flame rectification one of the most important things should be? A. Flame molecules. B. Proper grounding plane. C. Proper air to gas mixture to pilot. D. Flame rod insulator. - ANSWER : B. Proper grounding plane.