AMS 271 Unit 5 Test guide Questions with complete solution

AMS 271 Unit 5 Test guide Questions
with complete solution
Metered fuel diaphragm forces
Impact air - impact tubes
Venturi air - venturi slots
Metered fuel - fuel regulator unit
Inlet fuel - fuel regulator unit23




AMC system
Helps reduce pilot workload
Installed in parallel with manual mixture control
Sealed bellows and needle valve
Dilutes venturi air with impact air to lean mixture




Constant effort spring
Provides a smooth transition between idle and cruise




Constant head idle spring
Holds the ball valve off its seat




Idle system

, Low airflow prevents air metering system from functioning




RSA system components
Fuel injector servo unit
Flow divider
Fuel discharge nozzles




RSA system components consists of
Air metering section
Fuel metering section
Fuel regulating section




Air metering section consists of
Throttle body
Throttle valve and arm
Venturi
Impact tubes




Fuel regulator section consists of
Air diaphragm
Fuel diaphragm
Ball valve