The most prevalent method of refueling for ground servicing is
At a minimum, what should you wear when taking an oil sample?
The supply and distribution tubing for aircraft oxygen systems is...
A liquid fire extinguishing agent douses a fire by
The arrow stamped on the body of a fuel system check valve indicates...
The two types of oil coolers used in jet engine oil systems are...
The disadvantage of a continuous-flow oxygen regulator is that it
What is usually located at the lowest point in a fuel tank?
Fuel-controlled switches normally control circuits that indicate
A well-designed aircraft fuel system will ensure
What tool do you use to ensure alignment and sealing when installing a...
What type of foreign particle appears in the fuel in a crystalline,...
In its natural state oxygen is?
"The simultaneous control of temperature, humidity, and air...
The rapid cooling of bleed air causes
The low atmospheric pressure found at extremely high altitudes can...
The ability to do work is the definition of
Air and gases flowing through a jet engine require
After air is drawn into the guide vanes of a centrifugal jet engine...
What lubricant can be used on a beaded channel clamp sleeve to ease...
A gaseous nitrogen charge is added to a liquid fire extinguishing...
How are fuel leaks categorized?
Through the use of spectrometric oil analysis, aircraft will have a...
What is defined as "a depression in the duct wall, where the surface...
A bladder-type tank conforms to the shape of the vacant cavity within...
A micron is a metric linear measurement equal toA micron is a metric...
What do you use to create a static seal between two stationary parts...
Liquid oxygen (LOX) converts to gaseous oxygen (GOX) at an expansion...
Bleed air is usually taken from which part of the engine section?
What aircraft air conditioning system component is a radiator that...
What is the basic purpose of the fuel vent system?
Fuel's ability to hold contaminants in suspension is increased with a...
Classification of fuel leaks is necessary in order to determine
What is the purpose of the exhaust duct?
What type of fuel control uses thermocouples, relays, amplifiers, and...
What prevents a fuel tank from collapsing if an air pressure regulator...
The combustion efficiency of a gas turbine is usually between
Fuel that accumulates after a failed start or after engine shutdown is
The purpose of a fuel/oil cooler in a fuel system is to
Except during servicing, the liquid oxygen (LOX) system's combination...
The fire detector, frequently used in fire warning systems, that has a...
Another name for the disc type valve in a fuel system is
Some fuel level control valves have a dual-float system so that
Which type of fuel contaminant can form a red, brown, gray, or black...
Exhaust gas temperature (EGT) indicators indicate the engine EGT in
The three benefits of the Joint Oil Analysis Program (JOAP) are...
Expansion joints in bleed air systems are best used for
What controls the action of the outflow valve in a fixed-isobaric,...
In a liquid-agent fire extinguisher container, why is the frangible...
Wing tanks are
Specks or granules of sediment in fuel that are visible to the naked...
The resistance of an object to change its motion is a property of...
What are the two types of jet engine compressors?
Engine design helps prevent igniter plug fouling by
On some jet engines, what secures the turbine bucket in place?
Jet engine tachometer gauges are calibrated in percent of
The ducting for high-pressure/high-temperature air-conditioning is...
The rotary plug valve can be removed and replaced
What capacitance-type, fuel-indicating system component allows for...
What indicates lubricant system contamination by dirt and sand?
The crush-type gasket used in aircraft ducting is made of
What aircraft air conditioning system component controls the flow of...
In a direct current (DC), liquid-level fuel indicating system, what...
The air-refueling (A/R) receptacle is operated
When the turbine wheel absorbs the fuel energy,
What type of high-pressure/high-temperature ducting does not require a...
The direct current (DC) voltage supplied to the lights in a...
What type of fuel pump must have a fuel- and vapor-proof housing?
What kind of centrifugal pump is used when a fuel supply is required...
In a jet engine, what meters the fuel for combustion?
Which engine type used a lot during the early years of jet engine...
Aircraft engine temperature and pressure as it applies to the bleed...
What is the purpose of the engine bleed air (EBA) check valves?
What prevents fiberglass fabric ducts from swelling when the aircraft...
What most likely controls the automatic pump shutoff when all fuel is...
An aircraft taxiing at a constant speed is an example of
Which of Newton's Laws of Motion is the best description of why an...
A jet engine derives its name from the fact that
On an aircraft liquid oxygen (LOX) system, the handle on a manually...
What liquid-agent fire extinguisher container component holds in both...
A centrifugal-type aircraft fuel pump may be used
What air refueling pump components depend on fuel for lubrication?
What are the parts of the isobaric section of the cabin pressure...
What is the purpose of the pneumatic relay in a cabin pressurization...
The normal connection for thermal switches in a fire warning system is...
In a dual-impeller fuel pump what prevents foreign objects from...
What determines the N2 compressor rotations per minute (RPM) of a...
The primary function of a hydromechanical fuel control on a jet engine...
What jet engine oil pump consists of a gear and rotor within a...
In a gearbox-type starter system, what transmits the torque supplied...
What does the molecular sieve oxygen generating system (MSOGS)...
What forms the inner and outer surfaces of an annular-type combustion...
A turbofan engine with a bypass ratio of 3:1 is classified as
What form must you fill out and submit to the non-destructive...
What engine bleed air (EBA) component prevents loss of air through the...
As bleed air enters the compressor of the air cycle machine, its...
What augmenter component creates local turbulence and reduces gas...
What is the purpose of a front-mounted fan in an axial-flow jet engine...
The three turbine designs used in jet engines are a. shrouded,
The three methods of transferring fuel are gravity flow,
What effect does the divergent design of a jet engine diffuser have on...
What jet engine alternating current (AC) ignition system unit develops...
The purpose of the jet engine pressure ratio (EPR) indicating system...
What gaseous oxygen (GOX) system valve type prevents a complete loss...
The air turbine (impingement) starter used on jet engines a.
In a piston-type, fuel level control valve, what aids piston closure...
One common type of variable-area orifice used on augmenters is the
N the variable isobaric pressurization system. the manual control...
A simple direct current (DC) ignition system consists of
What are the components of the differential section of the cabin...
What rotary plug valve part rotates and seals off the passage of fuel...
When classified according to structure, which of the following is not...
What engine component must be rotated to a predetermined speed in...
A pressure-loaded fuel system check valve is used
What maintains pressure if the dual-differential cabin pressure...
The low-level shutoff valve prevents the reverse flow of fuel through...
The cartridge-pneumatic starter is a gas-driven turbine wheel coupled...
Leak limits correspond to the
In addition to the Air Force Technical Order (AFTO) Form 781A or AFTO...
The exhaust duct connects the turbine outlet and the
The fuel system components that prevent excessive pressure from...
What air refueling pump component removes fuel vapors caused by the...
When a jet engine uses two or more turbine wheels, what is placed...
The three types of shutoff valves used in the crossfeed fuel system...