Main fuel valve - Study guides, Class notes & Summaries

HVAC Gas Heat Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION Do LP gas installati gas valves with built-in regulators? ons use Answer: No- we just said that the gas regulators are located at the supply tank. Duh. QUESTION What does a gas valve do? Answer: It stops, starts or modulates the flow of fuel gas. QUESTION What are the three classifications of gas valves? Answer: Solenoid Diaphragm Heat Mot...

P-98 / Supervise Fuel-Oil Transfer in Buildings Exam Combined Set Tests Questions & Revised Correct Answers The___________removes most contaminants from the oil before the oil reaches the burner's strainer - ANSWER : Oil filter The suction line has to be at least ______ inches from the bottom of the tank for sediments not to be absorbed. - ANSWER : 6 Excessive vacuum readings indicate that there is an obstruction in the suction line (such as dirty oil strainer). - ANSWER : T...

Where are the return openings located regarding air distribution systems? - Answer-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? - Answer-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 purge 5. scale and sludge build-up - Answer-1, 3, 5 ...

(Fuel) How is fuel heated prior to entering the engine? - ANSWER ☑☑Via a Fuel/Oil heat exchanger using hot engine oil (Fuel) The _______ Status message appears if the fuel service panel is switched on. - ANSWER ☑☑AUTO XFLOW INHIBIT (Fuel) The Main, Scavenge and Transfer ejectors are powered by? - ANSWER ☑☑Motive flow (Fuel) When selected to AUTO, The Fuel Control Computer will activate Powered Crossflow when a fuel imbalance of _____ develops and shut off when the previou...

What is enclosed in the vehicle vin? Engine type, body style, and transmission type. A compression test shows that one cylinder shows to much leakage. During the air test could be heard coming from the tailpipe what could be the cause? A) bad piston rings B) bad head gasket C) bad exhaust gasket D) exhaust valve not seating D.) exhaust valve not seating Technician A says that main bearing oil clearances can be checked with plasty gages. Technician B says that main bearing oi...

California Motorcycle Safety Program Test 156 Questions with Verified Answers Give five reasons why motorcycling is more risky than driving a car. - CORRECT ANSWER 1. More vulnerable 2. Maneuvers are more dangerous 3. Have to balance. 4. Skids and spins 5. Exposed to wind and rain What does it mean to "accept your responsibility"? - CORRECT ANSWER Choose to ride within your limits every single time What five items make up Rider Readiness? - CORRECT ANSWER 1. Mentally readiness (fo...

What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - Answer- Line & Low. What is the function of a fuse? - Answer- Protect circuit. What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. What is the High Limit cut in? - Answer- Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. What is the minimum stack ...

P98 Exam Questions With 100% Correct Answers, Latest Updated 2024/2025 (GRADED) Fuel-oil is generally used in buildings in stationary equipment for two purposes - Correct Answer-fuel emergency generators or to fuel equipment used to heat the building. the person supervising the Fuel-Oil Transfer in the Building from one floor to another must hold - Correct Answer-P-98 Certificate of Fitness. Certificate of Fitness holders must maintain all qualifications and comply with all requirements appl...

Power Engineering 4th Class - A12 Questions and Answers Rated A+ Natural draft is produced in a boiler furnace when: a. Hot flue gases condense b. Gases in the stack have more mass than an equal column of outside air c. Gases in the stack have less mass than an equal column of outside air d. Hot flue gases contract so that each cubic meter has more mass c If the power is cut off to an automatic gas valve, the valve will: a. Open widely b. De-pressurize the gas train c. Close im...

Auto Engine Repair (SOS Michigan Test Prep Valve Train) Questions and Answers What is enclosed in the vehicle vin? Engine type, body style, and transmission type. A compression test shows that one cylinder shows to much leakage. During the air test could be heard coming from the tailpipe what could be the cause? A) bad piston rings B) bad head gasket C) bad exhaust gasket D) exhaust valve not seating D.) exhaust valve not seating Previous Play Next Rewind 10 seconds Mo...