Part 66 Preparation

Air System

Electrical and chemical anti-ice systems are common and well-suited for--------- aircraft ?
1. Large
2. Small
3. Medium
The hottest area occurs in and around the------------?
1. Compressor
2. Turbines
3. Diffuser
The engine exterior and the engine nacelle are cooled by passing --------- around the engine and the nacelle ?
1. Ram air
2. Fan air
3. Primary air
Which area is vented by using ram air through an inlet in the nose cowl and is exhausted through a louvered vent in the right fan cowling ?
1. Zone 3
2. Zone 2
3. Zone 1
Which flow of air forms a cooling air blanket on both sides of the liner and centers the combustion flames so they do not contact the liner ?
1. Primary
2. Secondary
3. Atmosphere
One of the most common ways of cooling the components in the turbine section is to use ?
1. Engine bleed air
2. Ram air
3. Fan air
LP turbine disks are cooled by ?
1. Compressor discharge air
2. Frist stage air
3. Intermediate stage air
To increase the life of the ngvs and turbine blades they are cooled by ?
1. Ram air
2. Compressor air
3. Primary air
The ------------- section is referred to as the cold section ?
1. Centre
2. Aft
3. Forward
The aft section (turbine) is referred to as the------------- section ?
1. Hot
2. Cold
3. Intermediate

Lubrication System

Gas turbine engines lubrication systems used ?
1. Wet sump
2. Dry sump
3. A & B
The most widely used lubrication system is the ?
1. Pressure relief system
2. Full ﬂow type
3. The total loss system
The breather air from the bearing compartments is drawn to the gearbox ?
1. Deaerator
2. Magnetic chip detector
3. By the deoiler
The dry-sump systems use an __________that contains most of the oil supply ?
1. Oil sump
2. Oil tank
3. Oil drain
The swivel outlet ﬁtting is controlled by a _____?
1. Weighted
2. Relief valve
3. Nrv
The gear-type oil pump has _____?
1. Only two elements
2. Only four elements
3. Only three elements
Each set of ge-rotors is separated by a _______?
1. Bronze plate
2. Aluminum plate
3. Steel plate
Mesh sizes in filters are measured in _________?
1. Inches
2. Microns
3. Centimetere
A linear measurement of one micron is equal to one ?
1. Millionth of an inch
2. Millionth of a meter
3. Millionth of a foot
The ﬂapper valves position in the baﬄe are normally ?
1. Close
2. Open
3. Intermediate position

Fuel System

If the quantity of fuel becomes excessive in relation to mass airflow through the engine'the mixture is called ?
1. Blowout
2. Rich blowout
3. Leanflame-out
The fuel injectors get the metered fuel from the………?
1. Fuel pump
2. Fuel supply manifolds
3. EEC
Channel b sensor signals are ……… ?
1. Gray
2. Red
3. Green
Fuel pump is also lubricated by the ………?
1. Grease
2. Hydraulic oil
3. Fuel
Centrifugal pump is …………?
1. Positive displacement
2. Negative displacement
3. Non-positive displacement
During eec reset, all fault data is recorded in the ?
1. Volatile memory
2. Nonvolatile memory
3. Both
The fadec system uses electronic sensors that feed engine parameter information into the…….... ?
1. EEC
2. Fuel metering valve
3. Engine
The fuel metering device meters the fuel using only outputs from the…….?
1. Sensors
2. Throtle
3. Eec
Last chance filtration of the fuel prior to the fuel nozzles through …...micron filter ?
1. 100
2. 74
3. 10
Which Thing Controll the fuel metering valve ?
1. Reief valve
2. Fadec
3. Eec

Air System