Induction systems: Recip and Turbine Flashcards
An engine that uses a mechanically driven air compressor to increase the air pressure before it enters the engine cylinders is a/an __________
Supercharged engine
A gear driven centrifugal impeller is sometimes called a
Distribution Impeller
An exhaust driven air compressor used to increase the power of an engine is a/an __________
Turbocharger
A controllable butterfly valve in the exhaust pipe of a reciprocating engine equipped with an exhaust driven turbocharger is called a/an_________
Waste gate
The absolute pressure of the air inlet to the fuel metering system of a turbocharged engine is called the ___________ pressure
Upper deck
The act of self-initiating or self-sustaining in a turbocharged system is called __________
Bootstrapping
Three types of air filters for normally aspirated engines are:
__________
__________
__________
Flock/metal screen
Pleated paper
Polyurethane foam
The heat used to prevent carburetor ice is obtained by routing induction air around parts of the __________.
Exhaust system
Air that flows into the engine when the carburetor heat control is in the HOT position __________ (is/is not) filtered.
Is not
An internal supercharger compresses the air__________(before/after) it passes through the carburetor.
After
A turbocharger compresses the air ___________(before/after) it passes through the fuel metering system
Before
The wastegate on a turbocharger installation on a modern horizontally opposed reciprocating engine is in ___________(series/parallel) with the turbine.
Parallel
When the waste gate is fully open, the manifold pressure is __________(minimun/maximum)
Minimum
When a turbocharger is equipped with a manually controlled wastegate, the engine will develop its takeoff power with the wastegate fully __________
Open
An engine with a turbocharger should be started with the wastegate fully __________
open
Turbochargers with an adjustable wastegate restrictor have a manifold pressure ___________ to prevent over boosting when the outside air temperature is low
Relife valve
The APC regulates the wastegate position to maintain desired manifold pressure up to the __________ of the engine
Critical altitude
The density controller limits the maximum manifold pressure produced by the turbocharger at ___________.
Full throtle
Upper deck pressure is normally __________ than the corresponding manifold pressure
Higher
The pressure-ratio controller is installed in ___________ (series/parallel) with the APC in the oil line between the waste gate actuator and the engine oil sump
Parallel
The pressure-ratio controller only functions at __________(low/high) altitudes
High
The variable absolute pressure controller maintains a constant upper deck pressure for any position of the ___________
Throttle
The inlet ducts are actually a part of the ___________
Airframe
Inlet ducts are devided into two classifications according to the speed of the aircraft they are installed. These are:
__________
__________
subsonic
supersonic
Most subsonic inlet ducts are _________
Convergent
Supersonic inlet ducts are of the ___________ type
Convirgant-divergent
The three types of TURBOPROP Inlet ducts are:
___________
___________
___________
Ducted Spinner
Conical Spinner
Underscoop
