Fuel metering systems Study guides, Class notes & Summaries

Fuel metering systems Exam Latest Update...

FUEL METERING SYSTEMS (4) EXAM QUESTIONS AND ANSWERS 1. How will the mixture of an engine be affected if the bellows of the automatic mixture control (AMC) in a pressure carburetor ruptures while the engine is operating at altitude? - ANS-It will become richer. 2. If a float-type carburetor becomes flooded, the condition is most likely caused by - ANS-a leaking needle valve and seat assembly. 3. Idle cutoff is accomplished on a carburetor equipped with a back-suction mixture control by ...

FUEL METERING SYSTEMS (3) EXAM LATEST UPDATE...

FUEL METERING SYSTEMS (3) QUESTIONS AND ANSWERS What is the relationship between the accelerating pump and the enrichment valve in a pressure injection carburetor? - Correct Answer-No relationship since they operate independently. The back-suction mixture control system operates by - Correct Answer-varying the pressure acting on the fuel in the float chamber. Where is the throttle valve located on a float-type carburetor? - Correct Answer-After the main discharge nozzle and venturi. If...

FUEL METERING SYSTEMS (2) Questions With Answers 2023 1. Detonation occurs when the fuel/air mixture - Correct Ans->burns too fast. 2. During idle mixture adjustments, which of the following is normally observed to determine when the correct mixture has been achieved? - Correct Ans->Changes in RPM or manifold pressure. 3. What method is ordinarily used to make idle speed adjustments on a float-type carburetor? - Correct Ans->An adjustable throttle stop or linkage. 4. A nine-cyl...

FUEL METERING SYSTEMS (2) Questions With Answers 2023 1. Detonation occurs when the fuel/air mixture - Correct Ans->burns too fast. 2. During idle mixture adjustments, which of the following is normally observed to determine when the correct mixture has been achieved? - Correct Ans->Changes in RPM or manifold pressure. 3. What method is ordinarily used to make idle speed adjustments on a float-type carburetor? - Correct Ans->An adjustable throttle stop or linkage. 4. A nine-cyl...

Brakes A5 Topics for the A5 test include: Hydraulic, Power Assist, and Parking Brake Systems Diagnosis and RepairDrum Brake Diagnosis and RepairDisc Brake Diagnosis and RepairElectronic Brake Control Systems (ABS, TCS, ECS) Diagnosis and Repair. A5 Question 1 The brake pedal is low and spongy; all brake adjustments have been completed according to specifications. The cause of the problem could be: A) Binding pedal linkage. B)Dented brake line. C)Plugged compensating port. D)A weak hydraulic hose...

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 ___...

How does electrical service enter a building? - Answer-From the street via the electrical service entrance cable into the electrical main disconnect, where it can be shut off. From there it goes to the Distribution panel and gets sent through circuits to various outlets, where appliances can be plugged in. The electrical main disconnect is often incorporated into the distribution panel. When an electrical system has fuses in the distribution panel, each of these fuses must have the same __...

While cruising at 9,500 feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4,500 feet MSL is made without readjusting the mixture? A. There will be more fuel in the cylinders than is needed for normal combustion, and the excess fuel will absorb heat and cool the engine. B. The fuel/air mixture may become excessivelv lean. C. The excessively rich mixture will create higher cylinder head temperatures and may cause detonation. B. The fuel/air mixture may becom...