Sistemas electronicos 2do 30%

The old four-course radio range operated in the ______ frequency range. low. high.

The Automatic Direction Finder (ADF) operates in the ______ and _______ bands. low, medium. hight, ultra hight.

An ADF system requires two antenna. These are alan _____ and a/an _______ antenna. loop, sense. directional sense.

The loop antenna used with an ADF system _____a directional antenna. is. is not.

The indication on an ADF indicator ______ change as the heading of the aircraft changes. does not. does.

VOR navigation equipment operates in the ______ band. VHF. UHF.

The antenna used with a VOR system is __________ polarized. horizontally. vertically.

The antenna and receiver used for VOR are also used for the ________ portion of the instrument landing system. glide slope. localizer.

The indication on a VOR Course Deviation Indicator _______ change as the aircraft heading changes. does. does not.

When a Radio Magnetic Indicator is driven by a VOR, the needle points to the _____ bearing. TO. FROM.

The dial of an RMI indicates the ________ heading of the aircraft. true. magnetic.

Compass locators used with an ILS operate in the _____ band. LF,. VHF,. UHF.

The signals from the compass locators are received by the ______ receiver. ADF. VOR.

The portion of an ILS that provides guidance down the center line of the instrument runway is the ________. localizer. ADF.

The localizer used with an ILS operates in the _____ band. LF,. UHF. VHF,.

When the Left-Right indicator is used with a locali zer signal, it is ______ sensitive than it is when it is used with a VOR signal. more. less.

The glide slope used with an lLS operates in the _____band. LF,. VHF. UHF.

The carrier transmitted by a marker beacon used with an TLS has a frequency of _____ MHz. 75. 175.

A pilot ________ manually tune the glide slope receiver. does. does not.

Distance Measuring Equipment (DME) is a ______ system. pulse. phase. comparison.

50. DME operates in the _____ band. UHF. VHF.

The distance shown on a DME indicator _______ the actual distance over the ground from the locati on of the aircraft to the station. is. is not.

When a radar beacon transponder is replying with an indication of its altitude, it is operating in Mode ____ . S. C.

Radar beacon transponders must be checked every _____ calendar months. 24. 12.

RNAV is able to direct a pilot to a way point that has been defined and entered into the equipment as the radial and distance from a/an ______________. VORTAC. TNAC.

The deviation indicator for an RNA V receiver shows the _______ deviation from the desired course. angular. linear.

LORAN C operates in the range. LF. MF. HF. VHF.

GPS signals ______ line of sight signals. are. are not.

The location of an aircraft can be shown on a moving map display by using the signals from ______ or ________. loran, GPS. Loran, Airnav.

The inertial navigation system (INS)__________ dependent upon ground-based electronic signals. is. is not.

Microwave landing system (MLS) operates in the ______ range. VHF,. UHF. SHF.

A radio altimeter shows the pilot the actual height of the aircraft above _________. ground level. sea level.

The GPWS warns the flight crew of a dangerous situation with both visual and _____ warnings. aural. vibration.

During operation, a GPWS typically monitors the radio (radar) altimeter, air data computer, instrument landing system, and the __________ and ________positions. landing gear, flap. landing gear, slat.

Weather radar returns show energy that ·is reflected from __________. water. ground.

An area of the heaviest precipitation shows up on a color weather radar as _________. yellow. green. red.

The Stormscope system detects e lectrostatic discharges within a storm and it ________ require water for its signal. does. does not.

The three basic components in a digital computer are: a. central processing unit b. memory c. input/output devices. a.processing unit b. memory c. output devices.

Two types of memory in a digital computer are: A. ROM (Read Only Memory) B. RAM (Random Access Memory). A. ROM (Read Only Memory) B. RAM (Random aircraft Memory).

RAM ____________ allow data to be written into the memory as well as read from it. does. does not.

RAM is normally _______________. volatile. nonvolatile.

The self-diagnostic portion of a digital system installed in an aircraft is called. Bite. hertz.

A component that can be changed by the technicians on the flight line is called a/an. LRU. GPW.

The unit in an EFIS that receives and processes the input signals from the aircraft and engine sensors and sends it to the appropriate display is the ___________. symbol generator. AC generator.

The unit in an EFIS that allows the pilot to select the appropriate system configuration for the cutTent flight situation is the _______________. display controller. display manager.

The two displays that are part of an EFIS are: a. electronic attitude director indicator (EADI) b. electronic horizontal situation indicator (EHSI). a.Multi function primary display MFPD b. electronic horizontal situation indicator (EHSI).

When a warning flag appears on an EHSI or HSI for a function such as NAY, HOG, or GS, the function is ___________. inoperative. operative.

Three engine primary parameters that are displayed on the upper display of an EICAS are: a.EGT b.EPR c.N1 speed. a.EGT b.EBR c.N1 speed.

The mode that takes priority over all of the other display modes in an ECAM is the _____________________ mode. failure-related. normally operative.

The air data computer uses total air temperature to convert indicated airspeed into _________________ . true airspeed. calibrated air speed.

The air data computer uses altitude information to convert indicated airspeed into _________ . Mach number. Mach percent.

A single-point system that allows a flight crew to initiate and implement a flight plan and monitor its operation is the _________. flight management computer system. flight assistant computer system.

The installation of a piece of electronic equipment that is included in the aircraft equipment list is considered to be a alteration. minor. major.

When a piece of electroni c equipment is installed on an aircraft according to the data included with a Supplemental Type Certificate, the work must be recorded on an FAA Form ____________ . 334. 337.

The primary source of electrical energy in an aircraft is the _________. battery. alternator.

Fuses and circuit breakers are required in an aircraft electrical system to protect the _______. equipment. wiring.

Electromagnetic radiation is prevented from interfering with signals caiTied to sensitive avionic equipment by using __________wires. shielded. twisted.

Coaxial cable _________ be included in a bundle with other wires. should not. should.

Coaxial cable should be secured along its entire length at intervals of approximately every _____feet. 2. 100.

Coaxial cable should not be bent with a bend radius of less than _____ times the diameter of the cable. 10. 15.

Before working on any e lectronic component containing integrated circuit devices, wear a wrist strap that connects your body to electrical ____________. ground. sourse.

When electronic equipment has been installed or removed from an aircraft, appropriate changes must be made in the _____________records. weight and balance. flight book.

Heat from the electronic equipment installed in a large aircraft is removed by cold air produced in the ____________ system. air conditioning. engine bleed valves.

Bonding jumpers for connecting a shock-mounted equipment rack to the aircraft structure are normally made of braided ____________ . tinned copper. tinned silicon.

If electronic equipment is installed beneath a seat, the seat must not deflect to closer than _____ inch(es) from the equipment when the seat is loaded with 6.6 time the load it is designed to hold. 1. 7.

Static dischargers help eliminate radio interference by dissipating static electricity into the atmosphere at a ____________ current level. low. high.

96. The VHF V -dipole antenna mounted on top of the cabin or on the vertical fin is used by the _____ and the______. VOR, localizer. NDB, LOCATOR.

The antenna for the marker beacon is mounted on the _______ of the fuselage. bottom. top.

When a hole is cut in the aircraft skin for an antenna, the strength that has been lost is replaced by riveting a/an _______________ in place inside the skin. doubler. single.

Commercial broadcast stations are usually received by the ADF ______ antenna. loop. sense.

Before installing a rigid antenna on a vertical fin, the installation must be carefully evaluated for _______ and_______characteristics. flutter, vibration. flutter, atenuation.

When an automatic direction finder is installed on a particular type of aircraft for the first time, it is important that the loop antenna be checked for ______________error. quadrantal. triangular.

The preferred location for a VOR antenna on a single-engine aircraft is on top of the cabin, with the apex of the V pointing ___________. aft. forward.

The DME antenna is normally mounted on the center line of the aircraft fuselage on the _______. top. bottom.

A tranponder can reply to the ground interrogator on any (how many codes) the piklot can select. 4,096. 2.

when mode C is selected on the transponder , the altitude data is taken from__________. encoding altimeter. pressure altimeter.

when a radar controller needs to identify a particulas aiecraft in his radar scope, he ask the pilot to push the________- button on the transponder. Ident. Alt.

the TCAS operates on signal from other airplanes in the vecinity whose transponders are operating in mode. C. s.

The TCAS computer builds a three dimentional map of the aircraft within range showing the ______, ______ and _______. bearing, altitude and velocity. bearing course and deviation.

if a class II TCAS detects two aircraft in a pottential collision course, it will warn to one of the aircraft___________ and the other one to ________. descend, climb. turn lefth , turn right.

a fully functioning gps uses________ (how many) sattelites. 4. 8.

Installed radio equipment is protected from damage due to jolts and vibration by. shock mounts. springs and/or viscous damper mounted racks. rubber or or foam cushioning material betwen circuit, chasis and casa.

(1) Use solder to attach bonding jumpers on radio equipment. (2) Radio equipment is bonded to the aircraft in order to provide a low-impedance ground and to minimize radio interference from static electrical charges. Regarding the above statements,. only 1 is true. both 1 and 2 are true. only 2 is true.

When must the radio station license be displayed in an aircraft equipped with a two-way radio?. when the aircraft is operated otside of US. Whe the aircraft is returned to service.

Part of the ADF system used on aircraft includes. RMI indicator antenna. marker beacon antenna. sense and loop antennas.

When installing coaxial cable, it should be secured firmly along its entire length. at 1 foot interval. at 2 foot intervals. wherever the cable sacs.

Static dischargers help eliminate radio interference by dissipating static electricity into the atmosphere at. low current levels. high voltage levels. high current levels.

Long range navigation LORAN systems determine aircraft location by: measuring the innertial forces acting on the aircraft. means of pulse signals transmited from ground stations.

an aircraft antenna instalation must be grounded. to the airframe. to the engine. to the radio rack.

VHF radi signals are commonly used in. ATC communications. VOR navigation. both VOR navigation and ATC communications.

on modern large aircraft what electronic device typically monitors flight parametters and performs autopilots functions?. flight magnagement computer. transponder. control/display unit.

In teh landing configuration GPWS, ty pically monitors the radio radar altimetter air data computer isntrument landing system and. Aileron, rudder ans elevator position. landing gear and flaps position. spoolers slat an stabilizers position.

in general the purpose on an aircraft transponder is to. continually transmit heading speed and rate of climb / descent etc. information to ATC. Recive an interrogation signal from a ground station and automatically send a reply back.

when an antenna is instale it should be fastened. To the primary structure at the approximate intersection of the three aircraft axes. so that leads imposed are transmited to the aircraft structure.

after an automatic direction finding antenna has been instaled , the. Antenna must be grounded. loop must be calibrated. transceiver must be calibrated.

doublers are used when antennas are installed to. Eliminate antenna vibration. reinstate the structural strench of the aircraft skin.

one antenna can be use for the radio range and standar broadcast bands in light aircraft because the. two ranges are close together. antenna is omnidirectional.

what characteristic of instalation of a rigid antenna on a vertical stabilizer should be evaluated. flutter and vibration. impedance and interference.

A gasked or sealant is used between the antenna mast and fuselage skin. to prevent the entry of moisture. for aircraft pressurization only.

the preffered location of a VOR antenna on light aircraft is on. top of the cabin with the apexof the V pointing forward. top of the vertical stbilizer.

the purpose of the localizer is to. aling the airplane with the center of the runway. indicate the distance the airplane is from the end of the runway.

DME antenna should be located in a position on the aircraft that will. not be balnked by the the wing when the aircraft is banked. permit interruptions in DME operations.

when bending coaxial cable the bend radious should be at least. 10 times the diammeter of the cable. 15 times times the diammeter of the cable. 20 times the diammeter of the cable.

when installing a DME antenna it should be aligned with the. center line of the airplane. angle of incidence.

the adition of avionics and asiociated antenna systems forward teh CG limit will affect. empty weight and useful load. CG limits and useful load.

how much clearance from the seat bottom is required when installing radio equipment under a seat. 1 inch with the seat occuped and subjeted to maximun downward seat spring deflection. 3 inch with the seat unocuped.

the purpose of a glideslope system is to. provide for automatic altitude reporting to the trafic control. assist the pilot in make a correct angle of descent to the runway.