Tasteless, colorless, and odorless.
Tasteless, volumeless, and odorless.
Tasteless, colorless, and weightless.
Volumeless, weightless, and colorless.
Filler.
Check.
Shutoff.
Pressure-reducing.
Brown and orange.
Blue and yellow.
Green and white.
Black and red.
Wastes oxygen.
Is unusable below 10,000 feet.
Is usable only above 20,000 feet.
Delivers oxygen at varying pressures.
16 man-minutes of oxygen.
93 percent oxygen-enriched gas.
97 percent nitrogen-enriched gas.
100 percent oxygen-enriched gas.
600 to 1.
680 to 1.
800 to 1.
860 to 1.
Fill position.
Vent position.
Normal position.
Buildup position.
Slow pressure buildup.
Rapid venting of system pressure.
LOX system pressure loss during maintenance.
The filler access door from closing in the vent position.
Intake.
Turbine.
Exhaust.
Compressor.
Ambient pressure and ambient temperature.
Engine throttle setting and ambient altitude.
Ambient pressure and engine throttle setting.
Engine throttle setting and ambient temperature.
Prevent the loss of compressed bleed air.
Maintain balanced airflow from each engine.
Provide a primary source for compressed bleed air.
Reduce bleed air pressure when the pressure is too high.
Check valve.
Shutoff valve.
Isolation valve.
Crossover valve.
Titanium.
Aluminum.
Stainless steel
Aluminum/nickel alloy.
Screwdriver.
Center punch.
Rawhide mallet.
Ball peen hammer.
Clamp flange.
Bolted flange.
Beaded flange.
Compressible flange.
Soap.
Water.
Grease.
Silicone.
Fiber and fiberglass.
Fiberglass and neoprene, or rubber.
A soft aluminum, or fiber and metal mesh.
A soft aluminum, and fiber reinforced rubber or plastic.
Ram air ducting.
A long run of ducting.
A short run of ducting.
Low-temperature/low-pressure ducting.
Thermal compensators.
Expansion bellows.
Puckered flaps.
Vent holes.
Minor dent.
Major dent.
Scratch.
Gouge.
Engine bleed air.
Air conditioning.
Pressurization.
Air control.
Primary heat exchanger.
Air cycle machine.
Water separator.
Air cooler.
Air cycle machine.
Refrigeration bypass valve.
Movable inlet and exit doors.
Primary ram air controller assemblies.
The air pressure to increase.
Moisture to condense in the form of fog.
Ice to form in the secondary heat exchanger.
A loss of pressure as it exits the air cycle machine compressor.
Primary heat exchanger.
Secondary heat exchanger.
Air cycle machine bypass valve.
Air cycle machine expansion turbine.
Shrink.
Rupture.
Contract.
Collapse.
A jet pump.
Filtering cabin air.
The unpressurized range.
Regulating control chamber pressure.
A diaphragm, fulcrum, and aneroid.
A rocker arm, diaphragm, and fulcrum.
An aneroid, spring, and metering valve.
A spring, metering valve, and rocker arm.
A spring, metering valve, aneroid.
An aneroid, rocker arm, and fulcrum.
A rocker arm, fulcrum, and diaphragm.
A diaphragm, spring, and metering valve.
The outflow valves.
A manual controller.
The cabin altitude selector.
A positive pressure relief valve.
Control the venting of cabin pressure.
Control the reference chamber pressure.
Ensure that both outflow valves operate at the same time.
Ensure that the aneroid and diaphragm inlet ports remain open.
Safety valve fails.
Outflow valve fails.
Pneumatic relay fails.
Cabin pressure controller fails.
Each other only.
The power source and with the warning light.
Each other and in parallel with the power source.
The warning light and parallel with each other.
An electroconductive sensor.
An Iron Fireman switch.
A photoconductive cell.
A FENWAL® switch.
10 Hz.
100 Hz.
200 Hz.
400 Hz.
Releasing a fine mist vapor.
Excluding oxygen from the area.
Removing nitrogen from the area.
Dispersing a large amount of liquid.
Convert the liquid to a gas upon discharge.
Expel the agent from the bottle.
Assist in extinguishing the fire.
Stabilize the temperature.
Squib.
Frangible disc.
Bonnet assembly.
Rubber O-ring packing.
Break cleanly into small pieces.
Allow undisturbed fluid flow through the system.
Enable the pieces to pass easily through the strainer.
Prevent small pieces from passing through the strainer.
Sump and drain.
Pump and drain.
Pressure relief valve.
Fuel-level control valve.
Soft, malleable plastic.
Rubber or nylon material.
Hardened, pre-formed plastic.
D. lightweight, pre-formed aluminum.
Bladder-type tanks that conform to the vacant cavity within the wing.
Lightweight, aluminum tanks inserted into empty wing cavities.
Sealed-off parts of the wing structure.
Soft, malleable plastic tanks.
For boost, transfer, or air refueling operations.
In any area requiring a pump with no moving parts.
To scavenge the remaining fuel in low areas of a fuel
When the output volume of the pump must be in direct proportion to its speed.
Jet.
Ejector.
Top-mounted centrifugal pump with variable-speed hydraulic drive.
Centrifugal pump with electrically driven, direct current (DC), series-wound motor
Rotary-vane.
Top-mounted.
Dual-impeller.
In-line ejector.
An inlet screen.
An impeller screen.
A one-way check valve.
A two-way check valve.
Rotors.
Stators.
Bearings.
Impellers.
Rotor.
Stator.
Accumulator.
Vapor relief valve.
Direction of free flow.
Direction of restricted flow.
Location of the drilled hole in the valve.
Location of the manufacturer’s data block.
When a reverse flow of fuel is desired.
To prevent the pump from overspeeding.
When gravity flow through the valve is undesirable.
To prevent excessive pressures when the pump overspeeds.
Thermal-relief valves.
Pressure-relief valves.
One-way check valves.
Spring-loaded relief valves.
Without draining the fuel lines or tanks.
Only if the electric motor is in the OFF position.
Only after the required fuel lines and tanks are drained.
Only after removing the valve body and connecting lines.
Initial seal.
Diaphragm seal.
Primary seal sleeve.
Secondary seal sleeve.
Butterfly.
Swivel vane.
Sliding gate.
Swinging disc.
Float.
Spring.
Pilot valve.
Diaphragm.
There will be a double safety factor.
Two tanks can be filled at the same time.
The tank can be filled to either of two levels.
There is capability to fill or empty the tank.
Spring.
Venturi.
Check valve.
Hydromechanical.
Fuel-flow.
Fuel level.
Fuel pressure.
All of the above.
Float valves.
Float switches.
Toggle switches.
Pressure switches.
Signals from the amplifier.
The movement of a float in the tanks.
Voltage changes in the indicator circuit.
The amount of bleed air pressure applied to the tank.
Inductor.
Capacitor.
Compensator.
Potentiometer.
Quick-disconnect valve.
Fuel-level control valve.
Low-level shutoff valve.
Pressure/vacuum relief valve.
Positive and negative fuel-flow.
Negative fuel-flow under all conditions.
Negative fuel-flow under all conditions.
Positive and reliable fuel-flow under all conditions.
Rotary plug, disc, and check.
Disc, check, and sliding gate.
Sliding gate, rotary plug, and disc.
Check, sliding gate, and rotary plug.
Air pressure, and pump.
Check, and air pressure.
Pump, and hydromechanical.
Hydromechanical, and air pressure.
Move fuel from tank to tank.
Pressurize the fuel for transfer.
Remove residual fuel from manifolds.
Prevent fuel tank rupture or collapse.
Nozzle.
Top-off.
Single-point.
Over-the-wing.
Hydraulically, but controlled electrically.
Electrically, but controlled hydraulically.
Electrically, but controlled pneumatically.
Hydraulically but controlled pneumatically.
Fuel to air ratio.
Specific gravity.
Temperature.
Viscosity.
Rust.
Sand or dust
Brass shavings.
Aluminum or magnesium compounds.
Water.
Sediment.
Foreign particles.
Microbial growth.
30.
40.
50.
54.
How much fuel is being wasted.
The type of contaminant that is in the fuel.
Whether or not they constitute a flight safety hazard.
Whether or not they constitute an environmental hazard.
Major and minor.
Class 1 through 5.
Class A through D.
Internal and external.
Fuel type and location.
Leak category and location.
Leak category and fuel type.
D. location and corrective action.
DD Form 2026.
AFTO Form 422.
AFTO Form 427.
AFTO Form 781J.
Energy.
Inertia.
Friction.
Potential.
Energy.
Inertia.
Friction.
Velocity.
Bernoulli’s Law.
Newton’s First Law of Motion.
Newton’s Second Law of Motion.
Newton’s Third Law of Motion.
First.
Second.
Third.
Fourth.
Pressurizing and dump (P&D) valve.
Fuel nozzles.
Fuel control.
Fuel pump.
50 percent is used for accessories.
60 percent is used for accessories.
The energy returns to the compressor.
The energy operates the anti-ice system.
Increases pressure.
Decreases pressure.
Results in pressure fluctuations.
Has minimum effect on pressure.
Low velocity at all times.
Less velocity exiting than entering.
Equal velocity entering and exiting.
Greater velocity exiting than entering.
Diffuser.
Jet nozzle.
Combustion liner.
Nozzle diaphragm.
It is in effect a turbo-supercharger.
The internal engine nozzles are called jets.
It uses a turbine-type compressor to maintain power.
It uses a exhaust-gas-driven turbine wheel to drive its compressor.
Axial-flow and radial.
Centrifugal and radial.
Axial-flow and divergent.
Centrifugal and axial-flow.
Radial and tangential forces.
Rotational and tangential forces.
Rotational and centrifugal forces.
Tangential and centrifugal forces.
Starter.
Fuel pump.
Fuel control.
Low-pressure turbine.
Add thrust and decrease efficiency.
Add air to the engine and decrease efficiency.
Increase thrust and engine rotations per minute (RPM).
Increase thrust and send air through the compressor core rotor.
60 and 70 percent.
65 and 75 percent.
75 and 95 percent.
95 and 100 percent.
Splitting the electrode on the plug.
Directing air around the plug electrode.
Applying gold plating to the plug electrode.
Applying ceramic coating on the plug electrode.
Interlocking stainless steel bands.
The inner and outer diffuser case.
A forged steel casing.
Solid sheet metal.
Drained overboard by a drain system.
Returned to the fuel control by tubes
Burned on the next start attempt.
Allowed to evaporate.
Shrouded, unshrouded, and fir tree.
Shrouded, unshrouded, and corrugated.
Impulse, reaction, and reaction-impulse.
Impulse, reaction, and reaction-impulse.
Screws.
Cables.
Lockwire.
Lock strips.
Fan duct.
Jet nozzle.
Fuel nozzle.
Augmented duct.
Swirl exhaust gas-flow.
Equalize exhaust gas-flow.
Modulate exhaust gas-flow.
Straighten exhaust gas-flow.
Flap.
Segmented.
Segmented flap.
Segmented nozzle.
Spraybar.
Flameholder.
Screech liner.
Fuel manifold.
Turbojet.
Turbofan.
Turboram.
Turboprop.
Low bypass.
Low-medium bypass.
Medium bypass.
Medium-high bypass.
Generate the proper fuel pressure for all ranges of engine operation.
Prevent hot starts, overtemperatures, engine overspeeding, and flameouts.
Propel the right amount of fuel to the fuel nozzles for correct combustion at all times.
Meter the fuel, making certain that the engine gets the correct quantity for combustion at all times.
Pneumatic.
Fuel injection.
Hydromechanical.
Electrohydromechanical.
Heat the fuel and cool the oil.
Cool the fuel and cool the oil.
Heat the fuel and heat the oil.
Cool the fuel and heat the oil.
Gear.
Gerotor.
Rotogear.
Sliding vane.
Gear.
Gerotor.
Rotogear.
Rotor-gear.
1/25 of an inch.
1/250 of an inch
1/2,500 of an inch
1/25,000 of an inch
Fuel/oil.
Freon/oil.
Water/oil.
Hydraulic/oil.
Wadding.
Packing.
Gasket.
Filler.
Center gearbox.
Front gearbox.
Compressor.
Turbine.
Is usually mounted on the engine accessory drive.
Uses a starter-clutch assembly to disengage the starter from the engine.
Has the advantages of less weight and fewer moving parts than other starters.
Requires high-pressure, low-volume air flow to produce torque necessary for engine start.
A power takeoff (PTO) shaft.
A single-entry air diverter.
An overrunning clutch.
A cartridge.
Power takeoff (PTO) shaft.
Single-entry air diverter.
Pneumatic cartridge.
Overrunning clutch.
Inverter.
Capacitor.
Generator.
Transformer.
Vibrator, alternating current (AC)-to-DC converter, and transformer.
Transformer, igniter plugs, and AC-to-DC converter.
Vibrator, igniter plugs, and AC-to-DC converter.
Vibrator, igniter plugs, and transformer.
Minimum rotations per minute (RPM).
Maximum torque.
Minimum torque.
Maximum RPM.
Available thrust output.
Compressor balance.
Thermal efficiency.
Turbine efficiency.
British thermal units (BTU) per hour.
Pounds per square inch (PSI).
Degrees Fahrenheit.
Degrees Celsius.
Recycling of used oil.
Production of wear metals.
Increased equipment availability.
Increased length of time between oil changes.
More oil sampling.
More engine removals.
Less unnecessary maintenance.
Less wear metal found in the oil.
Goggles.
Goggles and gloves.
Gloves and long sleeves.
Goggles and long sleeves.
A decrease in carbon.
An increase in silicon.
A decrease in graphite.
An increase in synthetic oils.
DD Form 988.
DD Form 2026.
AFTO Form 244.
AFTO 781 series forms.