Spark ignition Guides d'étude, Notes de cours & Résumés

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answer...

NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - correct answer C: 78% Many pre-1992 furnaces have efficiencies around . A: 10% B: 40% C: 60% D: 80% - correct answer C: 60% Today, furnaces with AFUE ratings greater than are available. A: 85% B: 90% C: 100% D: 110% - correct ...

NATE Gas Heating Exam Questions with Correct Answers Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% -AnsC: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% -AnsC: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85% B: 90% C: 100% D: 110% -AnsB: 90% A thermocouple is used with: A:...

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

The basic methodology of the fire investigation should rely on the use of a ______________________ and attention to all relevant details. a. systematic approach b. approximation approach c. methodology approach d. general approach - ANSWER-a. systematic approach With few exceptions, the proper methodolgy for a fire or explosion investigation is to first _____________________ then investigate the cause, circumstances, conditions, or agencies that brought the ignition source, fuel, and ox...

Technician A says that when pressure testing a radiator cap, a special adapter is needed. Technician B says the best way to check thermostat operation is while it is in the engine. Who is right? - Tech A A technician is checking resistance in an engine's spark plug wires using an ohmmeter. A general rule is to replace a wire if resistance is over: - 30,000 ohms Technician A says that in an ignition system, the voltage supplied to the coil during starting is battery voltage. Technician B s...

Large horsepower engines require spark plugs with which of the following? - Answer High heat range The cycle of operation requires four strokes of the piston: intake, compression, power and exhaust. How many rotations of the crankshaft will occur during one complete cycle? - Answer Two Ignition of the compressed air/fuel mixture occurs - Answer Power The air/fuel mixture becomes compressed in the cylinder - Answer Compression The spent air/fuel mixture is expelled - Answer Exhau...

PICAT General Science Test - Questions with 100% Correct Answers (CHEAT SHEET) 2022 1. Which of the following is NOT part of a car’s drive train? a. Axle b. Rotor c. Differential d. Transmissi on 2. The function of the master cylinder is to a. Supply hydraulic pressure in an automatic transmission. b. Control the firing of all the other cylinders. c. Apply hydraulic pressure to the wheel cylinders. d. Apply hydraulic pressure to the power steering. 3. The catalytic converter is part of what sy...

ABYC Practice Questions and Correct Answers 100% Verified A sailboat's rigging is considered a reliable path to ground for lightning? T/F? - Correct Answer FALSE. End fittings introduce the possibility of high resistance. TE-4, Conductors Gasoline engines use what kind of ignition? - Correct Answer Spark igntion Diesel Study Guide, Chapter 1 Diesel engines use what kind of ignition? - Correct Answer Compression ignition Diesel Study Guide, Chapter 1 Spark ignition are what kind of eng...

NATE CORE STUDY GUIDE(correct answers)to passWhich of the following is not the product of incomplete combustion: Oxides of nitrogen An oil trap is required at the base of the discharge line of the vertical riser is _____ or above 8 feet A diode allows current to flow in one direction: True 1 Watt = _____ Btu 3.41 Current in a closed circuit is limited by which of the following: resistance An oil separator is located in the _____: Discharge line ___...