2AX5X Vol.2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | Mercurial barometer.
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| What is the standard atmospheric pressure at sea level measured in inches of mercury? In psi? | show 🗑
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| show | Fahrenheit and Celsius.
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| show | Because at the higher altitude, the air is less dense therefore causing less drag on the aircraft.
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| show | Camber.
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| What aerodynamic forces affect aircraft in flight? | show 🗑
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| How does drag act in relation to relative wind? | show 🗑
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| show | The angle between the mean chord line of an airfoil and the aircraft flight path.
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| show | By rivets, bolts, screws, welds or adhesives.
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| What are the five stresses to which airframes are subjected? | show 🗑
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| Which fuselage design does not use formers, frame assemblies, or bulkheads to give shape to the fuselage? | show 🗑
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| show | The ribs and stringers.
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| show | Aluminum alloy
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| What is used to round out the angle formed btween the fixed tail surfaces and the fuselage? | show 🗑
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| What structural unit provides a smooth airflow around and into the engine inlet? | show 🗑
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| What component controls airflow around the weapons to reduce turbulence in the bay on some bomber aircraft? | show 🗑
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| How do doors differ from panels? | show 🗑
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| show | Transparent plastics or safety glass.
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| How do paint removes and stripping compounds affect the plastic facings of the radome? | show 🗑
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| How are fuselage station numbers measured? | show 🗑
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| What are the three axes that an aircraft operates around? | show 🗑
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| show | Ailerons, spoilers/speed brakes, and wing flaps.
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| What controls all directional movements of the aircraft? | show 🗑
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| show | Rudder.
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| show | Solid type.
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| What is an elevon? | show 🗑
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| What are five types of wing flaps? | show 🗑
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| show | If the leading edge operates in conjunction with the trailing edge flaps, then you have leading-edge flaps. If they operate independently of the flaps, they are called slats.
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| show | Increase drag to slow the aircraft and/or reduce landing distance.
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| List the three types of trim systems. | show 🗑
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| Which type of flight control system reduces the need for long cables, turnbuckles, quick disconnects, push-pull rods, and the associated flight control hardware? | show 🗑
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| What are the two major parts of the AFCS? | show 🗑
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| show | Stab aug
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| show | Mach hold.
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| show | A class of physical phenomena arising from the existence and interactions of electric charges.
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| show | Neutrons, protons, and electrons.
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| show | Glass, wood, rubber, and plastic
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| show | Gold, copper, platinum, and silver.
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| Where do you normally use semiconductors? | show 🗑
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| show | Electromagnetic force: the electrical pressure that causes electrons to flow through the conductor.
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| show | The movement of electrons through a conductor.
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| show | The type of material used, temperature, size.
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| show | Watts.
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| show | The ability of a substance to attract.
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| How are artificial magnets classified? | show 🗑
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| show | The ease of ability to conduct magnetic lines of force.
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| What is residual magnetism? | show 🗑
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| How is magnetism induced in magnetic material? | show 🗑
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| Can magnetic lines of force be insulated? | show 🗑
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| show | Bar, ring, or horseshoe.
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| How can a magnet be weakened? | show 🗑
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| Define flux. | show 🗑
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| How is electromagnetism developed? | show 🗑
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| show | Yes.
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| What must you know to apply the "left hand rule"? | show 🗑
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| show | The left hand rule.
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| How can an electromagnet's field strength be increased? | show 🗑
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| show | Provide a path for electrons to flow with minimum resistance.
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| show | Protect against system overloads and shorts in a circuit.
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| show | After a cooling-off period of approximately 1 minute.
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| What is the purpose of a current limiter? | show 🗑
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| show | Control the amount of correct flow in a circuit.
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| Why is alternating current used as the primary electrical power source in aircraft? | show 🗑
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| What is the unit of measurement for frequency? | show 🗑
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| Define phase relationship. | show 🗑
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| What are the two classifications of AC generation systems? | show 🗑
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| show | 400 Hz.
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| show | DC from an integral exciter generator is passed through windings of the rotor.
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| show | A permanent magnet generator, an AC exciter generator, and the main AC generator.
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| show | Arcing (which more easily occurs in rarefied air).
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| show | Rotor assembly and stator.
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| show | PMG armature, exciter field, and main armature windings.
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| What are the two functions of the CSD governor system? | show 🗑
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| If CSD output rotation drives the generator below 365 Hz, what component removes the generator from the bus? | show 🗑
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| If the CSD temperature rises to an overheat condition, what should be done to prevent further damage? | show 🗑
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| show | A quick attach-detach clamp.
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| What are the typical functions of a GCU? | show 🗑
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| How is voltage regulation and current limiting accomplished in the GCU? | show 🗑
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| show | By controlling the magnetic trim head governor on the CSD.
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| What are the internal components of a battery? | show 🗑
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| show | Abuse, overcharge, low solution, undercharge, and mountings.
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| show | The cell.
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| How are nickel-cadmium constructed? | show 🗑
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| show | When the battery is fully charged.
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| show | By voltage, current used (AC or DC), and methods of motor excitation.
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| How can the direction of rotation for a series motor be changed? | show 🗑
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| What advantage does the series motor have over other types of motors? | show 🗑
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| show | In parallel.
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| What type of T-R is used to a nickel-cadmium battery in many aircraft? | show 🗑
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| show | Converter.
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| Define matter. | show 🗑
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| Since liquids and gases have many properties in common, how are they frequently classified? | show 🗑
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| show | Molecules.
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| Which matter has the property of resisting changes in shape when a force is applied? | show 🗑
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| show | Its elastic limit.
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| Which factors affect the amount of expansion and contraction in a solid? | show 🗑
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| What are the most outstanding characteristics of a solid? | show 🗑
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| For a liquid to transmit a pushing force, what condition must exist first? | show 🗑
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| What would cause a cylinder of air to increase in pressure when placed in the sun? | show 🗑
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| What is one of the main differences in the characteristics of gases when compared to liquids? | show 🗑
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| State the basic principle of Pascal's Law. | show 🗑
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| Under what conditions does Pascal's Law not apply to fluids? | show 🗑
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| State the basic principle of Boyle's Law. | show 🗑
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| show | Heating a confined gas will cause an expansion (volume increase) in direct proportion to its temperature change, thus causing the piston to move.
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| show | General gas law.
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| show | 4:1
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| show | 33:1
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| A 150-pound weight is placed on a 10-square inch piston and is then lifted by a force applied to a 2-square-inch piston. What force is required on the small piston, and what is the mechanical advantage? | show 🗑
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| A 20-pound force on a 3-square-inch piston can lift how much weight on a 12-square-inch piston? What is the mechanical advantage? | show 🗑
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| show | 18 psi.
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| How far will an 8-square-inch piston move if a 2-square-inch piston moves 8 inches? | show 🗑
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| What characteristic of a fluid determines its resistance to flow? | show 🗑
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| show | An orifice will cause more turbulence and thus more energy loss than a venturi because it is not steamlined.
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| How can resistance to flow be reduced? | show 🗑
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| show | There is a pressure drop at the narrow opening (throat) of a venturi as the rate of flow of the fluid increases at this point. The pressure will increase again after passing through the throat.
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| How much fluid should a reservoir hold? | show 🗑
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