Questions and Answers of Fundamentals Of Aerodynamics

Storage of fire extinguishing agent is either in fixed containers or __________________ containers or both.
In a Kidde continuous loop fire detection system, as the temperature of the detector loop core increases, electrical resistance to the ground __________________.
The best fire extinguishing agent for a Class D fire is __________________.
The most commonly used Halon fire extinguishing agents are Halon __________________ and Halon __________________.
In addition to a dump extinguisher, some cargo compartments have a __________________ extinguishing system that discharge agent art a controlled rate.
Most fixed fire extinguishing agent containers on high performance and transport aircraft are the __________________ type.
__________________ the bottle is often the only way to determine if the fire extinguishing agent bottle is empty or full.
Standard release type discharge valves use a slug driven by __________________ to rupture a segmented closure disc.
Portable fire extinguishers are used to extinguish fires in the passenger caving and __________________.
A normal discharge of fire extinguishing agent will cause a __________________ disk to be ejected from the skin of the aircraft fuselage.
Information on the label of a portable fire extinguisher includes the container approval number, weight and __________________.
Cargo compartments typically combine a __________________ detection system with a fixed Halon extinguishing system.
When an engine fire switch is activated, the engine stops because the fuel control shuts off, the engine is isolated from the aircraft systems, and the __________________ is activated.
Of the following, which are considered primary flight controls and which are considered secondary?- Elevators- Ailerons- Speed Brakes- Rudders- Flaps- Trim Tabs
Name two advantages of push-pull rods over control cables.
What effect does flap extension have during takeoff and landing?
What is the purpose of a horizontal stabilizer trim brake system?
In which mode of operation (push or pull) do flexible cables have strength?
What is the advantage of fly-by-optics control systems versus fly-by-wire?
What are the two functions of turnbuckles on an aircraft control system?
What are two benefits of a yaw damper system?
Each aircraft fuel system must be arranged so that no fuel pump can draw fuel from more than __________________ tank(s) at a time.
A fuel vent system must be configured to ensure the fuel is vented regardless of the __________________ of the aircraft or the quantity of fuel on board.
Aircraft fuel tanks must be constructed so as to retain fuel if one of the __________________ collapses.
Fuel flowing through the fuel system generates __________________ that must have a place to flow to ground rather than build up.
Name five fuel sub-systems found on jet transport aircraft.
The two most common electric motor operated fuel valves are the __________________ and the plug type valve.
The long, horizontal nature of an integral wing tank requires __________________ to keep the fuel from sloshing.
The most common type of auxiliary fuel pump used on large and high-performance aircraft is the __________________ pump.
On what type of aircraft might a bladder fuel tank be found?
__________________ filters are commonly used on turbine-powered aircraft.
Name three types of fuel quantity indicator systems.
To fuel with pressure refueling, a hose nozzle is attached at the fueling station and ________________ to the tanks required to be filled are opened.
The capacitance of a fuel quantity transmitter changes as the __________________ of the material separating the plates varies.
In addition to the fuel hose, a __________________ is connected between the fuel truck and the aircraft when refueling.
Measuring __________________ accurately is complicated by the fact that the fuel mass changes with temperature or with the type of fuel used in turbine engines.
To avoid refueling, sometimes fuel tank maintenance can be performed by __________________ fuel into a different tank.
The most common types of fuel heaters are air/ fuel heaters and __________________ / fuel heaters.
A longitudinal balance system is preferred over trimming the aircraft as fuel is burnt off due to __________________.
Fuel __________________ is an important parameter that merits the use of a warning signal when it falls outside of the normal operating range.
True or False:The technician must never enter the tank of a transport category aircraft.
Hydraulic operations are nearly ____% efficient.
Appropriate must be specifically designated for the type of hydraulic fluid in use.
Selector valves in an open-center hydraulic system are arranged in __________________ with each other.
All hydraulic lines and fittings should be __________________________ immediately after disconnecting.
The most widely used type of hydraulic system used in aviation is the __________________ - center system.
The __________________ serves as an overflow basin for excess fluid forced out of the system by thermal expansion, the accumulators, and by piston and rod displacement.
Liquids are used to transmit and distribute force in a hydraulic system because they are basically __________________.
Pressurizing the hydraulic reservoir assures __________________ at high altitudes when low atmospheric pressures are encountered.
The type of hydraulic fluid used most in commercial jet transport aircraft is __________________ - based.
Hydraulic reservoirs may be pressurized by bleed air or by __________________.
Name 4 functions of accumulators.
Generally, _____________________ are used when engine-driven pumps fail.
The hydraulic pump is the source of fluid flow, which when restricted, generates __________________ in the hydraulic system.
The most commonly used hydraulic ______ is the fixeddisplacement bent-axis type.
When a constant displacement pump is used in a hydraulic system in which the pressure must be kept at a constant value, a __________________ is required.
In a ______, two units, a hydraulic pump and hydraulic motor, are connected via a single drive shaft so that power can be transferred between two hydraulic systems.
Hydraulic pump drive couplings are designed to __________________ if the pump becomes hard to turn or becomes jammed.
Name 3 types of relief valves.
Variable displacement hydraulic pump output is changed automatically by a pump __________________ within the pump.
__________________ valves are used in hydraulic systems where it is necessary to lower the normal system operating pressure by a specified amount.
A __________________ is used to control the direction of movement of a hydraulic actuating cylinder or similar device.
Most hydraulic filters used in modern aircraft are of the ___________ type.
A common flow control valve in aircraft hydraulic systems that allows fluid to flow unimpeded in one direction, but prevents or restricts fluid flow in the opposite direction is called a
The __________________ opens if the filter clogs, permitting continued hydraulic flow and operation of aircraft systems.
A sequence valve may be pressure controlled or __________________ operated, or controlled by electric switches.
The extent to which a filter element is loaded can be determined by measuring the __________________ in hydraulic pressure across the element under rated flow conditions.
__________________ are installed in hydraulic lines to prevent loss of fluid when units are removed.
A heat exchanger used to keep hydraulic system fluid cool is typically located __________________ on jet transport aircraft.
The operation of a double-action hydraulic actuating cylinder is usually controlled by a __________________ selector valve.
Hydraulic seals are divided into three main classes:__________________, __________________ and __________________.
The two types of ice are encountered during flight are __________________ ice and __________________ ice.
__________________ that protrude into the ambient airstream are particularly susceptible to ice formation in flight.
When ice collects on an ice detector probe, the established __________________ of vibration decreases.
The purpose of __________________ is to create the strength and impact resistance of the windshield assembly.
The most common source of heated air for wing anti-icing is turbine engine __________________.
Wing and stabilizer chemical anti-ice systems are often called __________________ systems.
The __________________ controls the flow of bleed air from the pneumatic system to the WAI ducts.
On modern aircraft, the de-icer boots are bonded with __________________ to the leading edge of wing and tail surfaces.
An EAI __________________ regulates air that operates the EAI anti-ice valve.
The source of air for pneumatic de-ice boots on turboprop aircraft is __________________.
A __________________ may be used to ensures deice boots are held tightly deflated against the aircraft structure to provide the significant change in size and shape needed to break off accumulated
Deposits of ice, snow, or frost on the external surfaces of an aircraft may reduced aerodynamic lift and increased __________________ resulting from the disturbed airflow over the airfoil surfaces.
An operational check of a de-ice boot system can be made by operating the engines or by using __________________.
Deep, wet snow when ambient temperatures are slightly above the freezing point should be removed from aircraft surfaces with __________________.
A propeller de-ice boot receives current from a __________________ on the spinner bulkhead.
Some aircraft models use a surface seal coating, also called __________________ that is on the outside of the pilot's/ copilot's windshield.
Three basic arrangements of landing gear are the tail wheel type landing gear (also known as conventional gear), tandem landing gear, and __________________ landing gear.
To keep the piston and wheels aligned, most shock struts are equipped with __________________.
When more than two wheels are attached to a landing gear strut, the attaching mechanism is known as a __________________.
Shock strut servicing is accomplished through the high-pressure service valve found at the __________________ of the strut's upper cylinder.
Aligned, ___________ and ___________ refer to the path a main wheel would take in relation to the airframe longitudinal axis or centerline if the wheel was free to roll forward.
It may be necessary to __________________ a shock strut during the service operation or when air becomes trapped in the hydraulic fluid inside the strut.
The __________________ is a fixed structural extension of the upper strut cylinder with bearing surfaces that allow the entire gear assembly to move.
The proper functioning of a landing gear system and components can be checked by performing a __________________ test, which is also known as "swinging" the gear.
A typical pneumatic/hydraulic landing gear shock strut uses __________________ air or __________________ combined with hydraulic fluid to dissipate shock loads.
__________________ are commonly used on aircraft landing gear as extra insurance that the landing gear will remain down and locked while the aircraft is on the ground.
Weight on wheels (WOW) integrated circuit logic cards communicate air-ground status information with the other systems on the aircraft through a __________________.
The bearing __________________ does not require removal for inspection; however, it must be firmly seated in the wheel half boss.
Large aircraft with hydraulic steering hold pressure in the steering cylinders to provide the required __________________.

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