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To determine the direction of magnetic flux flow through the conductor (14.2). C) use left hand rule. (lo dijo ROMAN en la revision el libro tiene errata). A) use right hand rule. (lo dijo ROMAN en la revision el libro tiene errata). B) use third hand rule. (lo dijo ROMAN en la revision el libro tiene errata).

SATCOM system on the aircraft enables (15.20). C) passengers to use Wi-FI connection. A) passengers to use ethernet connection. B) passengers to not use Wi-FI connection.

Inertial navigation uses (15.6). B) gyroscopes to measure angular velocity. A) endoscopes to measure angular velocity. C) gyroscopes to measure vertical velocity.

ECAM displays are mounted (15.3). C) one on top and second on the bottom on the center of the instrument panel. A) one on left and second on the right on the center of the instrument panel. B) one on top and second on the right on the center of the instrument panel.

The basic measurement instrument of the IRS is (15.6). A) rotation and motion sensors. B) vibration and motion sensors. C) motion sensors.

The TCAS traffic advisory is issued (15.11). C) The traffic advisory is issued from 35-48 seconds before collision. A) The traffic advisory is issued from 95-108 seconds before collision. B) The traffic advisory is issued from 5-8 seconds before collision.

Modern digital auto flight systems work in (15,13). B) Closed-loop control system - position of flight surfaces are sent back as an input info. A) Open-loop control system - position of flight surfaces are sent back as an input info. C) Single-loop control system - position of flight surfaces are sent back as an input info.

Electro Hydrostatic Actuators (EHA) (15.15). A) have their own hydro reservoirs only. B) have two hydro reservoirs only. C) have four hydro reservoirs only.

GPS receiver is (15.9). B) The GPS receiver only receives the signal and does not transmit signals to the satellites. A) The GPS receiver receives the signal and transmit signals to the satellites. C) The GPS receiver only transmit signals to the satellites.

TCAS indication will be (15.10). B) Yellow for a traffic advisory or red for a resolution advisory. A) Blue for a traffic advisory or red for a resolution advisory. B) Yellow for a traffic advisory or orange for a resolution advisory.

The TCAS may generate two levels of warning advisories (15.11). A) traffic advisories (TA) and resolution advisories (RA). B) traffic advisories (TA) . C) resolution advisories (RA).

TCAS triggers "TRAFFIC" alert when (15.11). B) intruder is 35-48s away. (TA). A) intruder is 5-8s away. (TA). C) intruder is 65-108s away. (TA).

TCAS triggers "CLIMB” or "DIVE” when (15.11). B) intruder is 20-30s away. (RA). A) intruder is 200-300s away. (RA). C) intruder is 2-3s away. (RA).

ECAM stands for (15.4). C) Electronic Centralized Aircraft Monitor. A) Electronic Centripet Aircraft Monitor. B) Engine Centralized Aircraft Monitor.

The mode S and C transponder is a (15.11). B) Dual system used for air traffic control (ATC). A) Single system used for air traffic control (ATC). C) Dual system used for aircraft traffic control (ATC).

ElCAS displays are mounted (15.3). B) one on top and second on the bottom on the center of the instrument panel. A) one on left and second on the bottom on the center of the instrument panel. C) one on top and second on the bottom on the right of the instrument panel.

IRS provides (15.6). A) calculations for position, orientation and velocity of the aircraft. B) calculations for position. A) orientation and velocity of the aircraft.

Laser gyros measure (15.7). B) angular rate by two lasers. A) position rate by two lasers. C) aceleration rate by two lasers.

HIRF ? (14.2). C) Refers to radio frequency energy of a strength sufficient to adversely affect either a living organism or the performance of a device subjected to it. A) Refers to radio frequency energy of a strength sufficient to adversely affect either. B) Living organism or the performance of a device subjected to it.

Fiber optic receiver has (11.3). B) photodiode detector which converts the light into electrical signal. A) photodiode detector which disconverts the light into electrical signal. C) photodiode detector.

First glass cockpits were using (11.2). C) CRT technology. A) ourehngunsv. B) odnboèángaeb.

The outer layer of anti static bag is made of (12.5). A) anti-static material. (inner) --> (inner). B) non-conductive material. -->(middle). C) conductive material. --> (outer).

The interface between the computer and/or users is accomplished (4.2). A) via digital data buses, which can transmit information in one or both ways. B) via analog data buses, which can transmit information in one or both ways. C) via digital data buses, which can transmit information in one way.

Function of instruction words is (6.8). B) to tell computer what operations to perform on the data. A)nvueranginhnr. C) to not tell computer what operations to perform on the data.

Pixel electrode is a part of (11.5). C) LCD display. A) iddergpuwrehn. B) oirehjg`wn45nh.

EMI stands for (14.2). A) electromagnetic interference. B) electromotor interference. C) electromagnetic inter.

MP4 player would be the representative of (3.4). C) Digital to analog (DAC) converter. A) Digital to analog (DAC) inverter. B)urnguine`bpehuengènkfdvbewrtg.

The basic idea of an analog to digital converter (ADC) Is to (3.2). B) Translate a value of voltage or current into a corresponding binary number. A) Translate a value of voltage into a corresponding binary number. C) Translate a value of current into a corresponding binary number.

In-flight entertainment system (IFE) (3.6). B) converts digital to analog data and analog to digital data. A) converts digital to analog data only. C) converts analog to digital data.

Flight control and navigation systems are (13.2). C) flight critical and thus require A level certification. A) flight critical and thus not require A level certification. B) flight critical and thus require C level certification.

Composite part on the aircraft (14.3). A) shall have some metal installed being more conductive for lightning protection. B) must have some metal installed being more conductive for lightning protection.

Convert binary 11010 in BCD (2.6). B) 00100110. A) 00100111. C) 00101110.

Convert octal 75 to decimal (2.3). A) 61. B) 63. C) 60.

Convert binary 101010101 to hexadecimal (2.6). C) 155. A) 154. B) 157.

The Base for Hexadecimal system is (2.4). B) 16. A) 19. C) 20.

Covert decimal 27 to octal. A) 33. B) 43. C) 23.

Convert octal 63 to BCD (2.6). A) 0110 0011. B) 1010 0011. C) 0001 1100.

Convert binary 1110111 to octal (2.4). A) 167. B) 157. C) 267.

Convert the Octal number 72 to binary (2.4). A) 111110. B) 111101. C) 111011.

Convert octal 15 to decimal (2.4). A) 13. B) 10. C) 19.

Convert binary 11011 to hexadecimal (2.6). B) 1B. A) 1Z. C) 16.

Convert hexadecimal AD to decimal (2.6). B) 173. A) 160. C) 200.

Convert decimal 17 to hexadecimal (2.6). B) 11. A) 15. C) 30.

Convert decimal 26 to binary. A) 11010. B) 11101. C) 10110.

Spoiler position transmitter gives (3.2). A) Analog data. B) Digital data. C) both datas.

Automatic Dependent Surveillance Broadcast (ADS-B). B) send information of aircraft position to other aircraft and ground stations. A) send information of aircraft position to other aircraft. C) send information of aircraft position toground stations.

Actuator Control Electronic (ACE) (15.18). B) converts analog to digital signal. A) converts digital to analog signal. C) converts digital signal.

Primary function of FMS is (15.10). C) to provide high accuracy long range and short range, lateral navigation and vertical navigation. A) to provide medium accuracy long range and short range, lateral navigation and vertical navigation. B) to provide low accuracy long range and short range, lateral navigation and vertical navigation.

TCAS receiver (15.11). B) transmits interrogations and receives replies from others aircraft´s transponders trough both antennas. (1 TOP and 1 BOTTOM antennas). A) transmits interrogations and receives replies from others aircraft´s transponders trough one antennas. (1 TOP antennas). C) transmits interrogations and receives replies from others aircraft´s transponders trough one antennas. (1 BOTTOM antennas).

When a resolution advisory (RA) condition exits? (15.11). A) visual and aural advisory information will be delivered by TCAS system. B) aural advisory information will be delivered by TCAS system. C) visual advisory information will be delivered by TCAS system.

When the intruder has a mode S transponder installed? (15.11). B) The TCAS can receive the aircraft identification (squitter), range, heading and altitude. In this case, avoidance manoeuvre coordination will be performed between the two aircraft. A) The TCAS can receive the aircraft identification (squitter), range and altitude. In this case, avoidance manoeuvre coordination will be performed between the two aircraft. C) The TCAS can receive the aircraft identification (squitter), range, heading. In this case, avoidance manoeuvre coordination will be performed between the two aircraft.

The FMS basic units are (15.10). A) Control display unit Flight management system computer, FMS data loader. B) Computer display unit Flight management system computer, FMS data loader. C) Control discrepancy unit Flight management system computer, FMS data loader.

Inertial Measuring Unit (IMU) detects (15.6). A) a change in geographic position, velocity and orientation during flight. B) a change in geographic position during flight. C) a change in velocity and orientation during flight.

In Fly-by-wire system (15.3). B) actuators´servo valves are operated by electrical signal. A) actuators´servo valves are operated by analog signal.

The Analog to digital conversion is more accurate (3.4). A) when analog data is cut on more digital signals in a time period. B) when digital data is cut on more digital signals in a time period.

Electro magnetic compatibility (EMC) (14.4). C) refers to compatibility of different materials installed in aircraft. A) refers to incompatibility of different materials installed in aircraft. B) refers to compatibility of different materials not installed in aircraft.

The TCAS resolution advisory (RA) provides (15.11). A) corrective and preventive actions. B) preventive actions.

GPS system is used to (15.8). C) Determine extremely accurate three-dimensional (3D) position, velocity and time only. A) Determine extremely accurate two-dimensional (2D) position, velocity only. B) Determine extremely accurate two-dimensional (2D) position, time only.

TCAS coordination (15.11). B) is done through the active S transponder on the aircraft. A) is done through the active Z transponder on the aircraft.

FMS system gets different inputs: (15.9). A = in order to calculate optimum flights paths and bring aircraft to its final destination. B = in order to calculate optimum block off paths and bring aircraft to its final destination.

Each FMC: (15.10). A = can act independently, but only one is in command at once. B = can act independently, and both are in command at once.

TCAS I system is incorporated on (15.10). B = aircraft between 10 and 30 seats. A = aircraft between 100 and 300 seats.

Laser gyro are nowadays commonly used in: (15.7). A = IRS systems. B = ILS systems.

Where are main engine parameters displayed? (15.4). C = upper EICAS or ECAM display. A = left EICAS or ECAM display. B = right EICAS or ECAM display.

GPS measurement is based on: (15.9). B = time of signal travel. A = lenght of signal travel.

The main difference between avionic software and conventional embedded software is: (13.3). B = that the development process is required by law and is optimized for safety. A = that the development process not is required by law and is optimized for safety.

WAAS stands for (15.9). B = Wide Area Augmentation System. A = Wide Area adisminuation System.

Laser gyro (15.7). C = is a sealed cavity of triangular cross section containing a mixture of helium and neon gases. A = is a sealed cavity of triangular cross section containing a mixture of hidrogen and neon gases. B = is a sealed cavity of triangular cross section containing a mixture of helycopter and neon gases.

TCAS (15.10). C = computes, determines and indicates the trajectory of all the aircraft in the vicinity. A = determines and indicates the trajectory of all the aircraft in the vicinity. B = indicates the trajectory of all the aircraft in the vicinity.

The good sample of application of logic circuits on aircraft (5.7). C = Is landing gear down and up locked indications (all MLG and NLG combination). A) oirenfguoinvidfgv.

Comparing CMOS and TTL circuits in aviation (5.6). B = CMOS is predominant in modern integrated circuits. A = CMOS not is predominant in modern integrated circuits.

Engine operating parameters are displayed on (15.2). C ) EICAS. A) SD. B) ND.

Central Processing Unit (CPU) consists of (6.5). B = Central Unit (CU), Arithmetic Logic Unit (ALU) and Main Memory Unit. A = Central Unit (CU), Arithmetic Logic Unit (ALU) only.

Which memory permanently stores the data? (6.5). A = Read-only Memory (ROM). B = Ready-acces memory (RAM).

Which unit in computer performs most computer operations? (6.5). B = Arithmetic Logic Unit (ALU). A = rom.

Control bus in microprocessor (7.2). C = signals that indicate beginning and end of each microprocessor cycle. A= ijsfgbiuwebfgiwebfuiwe. B = ihbgiyrbghypewngueng.

Machine cycle in microprocessor is made of (7.4). C = four steps: fetch, decode, execute and store,. B = two spets : fetch and decode. A = two steps : execute and store.

Flip-flop is one of the Integrated Circuits (ICs) used in (8.2). A = digital electronics. B = ugfbwuibgvuosdvnme.

Decoders are Integrated Circuits (ICs) in digital electronics (8.5). C = which convert binary numbers to decimal numbers. A = which convert decimal numbers to binary numbers. B = which convert binary numbers to hexadecimal numbers.

Multiplexing is? (9.2). A = Is a method by which different forms of information is sequentially transmitted over digital data bus. B = Is a method by which different forms of information is sequentially transmitted over analog data bus.

Absorption of light in fiber optic cable happens in (10.6). B = core. A = nucleo.

Multimode fiber optic cable (10.6). A = can transmit many signals very close one after another. B = can transmit many signals very far one after another.

Goal of shielded outer conductor of coaxial cable is to (10.2). C = protect inner conductor against any external electro-magnetic fields (EMI). A = protect outer conductor against any external electro-magnetic fields (EMI). B = not protect inner conductor against any external electro-magnetic fields (EMI).

How many electron guns color CRT has? (11.2). C = 3 electric guns Red,Green and Blue. A = 3 electric guns Magent,Green and Blue. B = 3 electric guns Red,Green and Yellow.

Binary Coded Decimal is built from series of (2.6). C = 4-bit words. A = 6-bit words. B = 16-bit words.

Convert decimal 70 to hexadecimal (2.6). C = 46. A = 60. B = 100.

DC (direct current) signals (3.10). A = are unipolar only. B = are bidirectional.

A device used to convert analogue data into digital form is called: (3.3). A = ADC. B = oiurngouw.

Synchro transmitters use (3.2). A = analog data. B = digital data.

An OR gate with both inputs O brings output (5.5). A = 0. B = 1.

A negative AND gate is the same as (5.5). A = NOR gate. B = OR gate.

Time-division multiplexing (4.2). B) = enables transmission of many different information through data buses at the same time. A) = B) = enables transmission of only one information through data buses.

What occures when the flight crew pushes the "event" button. (1.13). A) records the parameters for that flight period for later maintenance purposes. B) don´t records the parameters for that flight period for later maintenance purposes.

A disadvantage of a simple 3 bit output ADC is that it: (3.3). A) gives very poor resolution. B) gives very high resolution.

Safety-critical avionics must al first step be exposed to a (13.2). C) hazard analysis. A) oinrguoènguò. B) euirnguwen4g.

ESD related components shall be packed in (12.5}. B) electrostatic shielded conductive bag. A) electrostatic shielded conductive collar.

The GPS satellite (15.9). B) The satellite continuously transmits its own unique encoded signal. A) The satellite continuously transmits in differents encoded signal.

LRU Stands for (15.4). C) Line Replaceable Unit. A) Line Replace Unit. B) Line Replaceable Unity.

EFIS consists of (15.2). B) PFD and ND. A) EWIU SD.

TCAS II system is incorporated on (15.10). A) aircraft with more than 30 seats or more than 15000 kg. B) aircraft between 10 and 30 seats.

PFC (Primary Flight Computer) gets data (15.13). B) through ARINC bus. A) only from sdac computer.

How many main computer racks usually has an aircraft? (15.3). B) 4. A) 20.

MFD (1.5). A) is located in the center instrument panel. B) is located in the upper instrument panel.

Switches can be used to understand and interpret (3.3). B) digital data. A) analog data.

Microphone converts (3.7). A) analog data into digital. B) digital data into analog .

ARINC 429 - signals can travel (4.4). A) one direction through bus only. For opposite direction other bus must be used. B) two directions through bus.

The data bus is made of twisted shielded pair of wires. Shield must be grounded at (4.3). A) both ends. B) only one side.

An OR gate with both inputs 0 brings output (5.5). C) 1. A) 0. B) 2.

The most common NOT symbols are? (5.2). C) Also called INVERTER. A) Also called CONVERTER. C) buffer.

CMOS circuits use (5.6). B) less power than other circuits. A) more power than other circuits.

TTL stands for (5.5). C) Transistor-transistor logic. A) noisdnrvuosengp. B) vywbngoesgm.

Chips or microprocessors are (6.6). A) number of many logic circuits integrated on one place. B) number of one logic circuit integrated on one place.

A program is? (6.4). C) A plan or a rutine for solving a problem on a computer, and it consists of a sequence of a coded instructions suitable for data processing by a computer. A) jstrhnuponhurewsh. B) piwrenhuipesnr5hy.

How many types of words is there in computer? (6.3). A) Two types: Instruction and data words. B) one type: data words. C) one type: Instruction.

Data bus in microprocessor (7.2). A) carries bits of information between microprocessor and other devices. B) udrnbsuojgnvpisngpis.

Address bus in microprocessor(7.2). B) contains the location of information that microprocessor needs to access or modify. A) contains the location of information that microprocessor needs to access but not modify.

Flip-flops are Integrated Circuits (ICs) in digital electronics (8.4). A) which count and stores binary numbers. B) which count and stores hexadecimal numbers.

Faster operation of a chip (8.8). B) means more heat produced. A) means less heat produced.

Larger integration of transistors in a chip (8.8). C) Increases the speed of that device. B) Decreases the speed of that device. C) The speed of that device it´s the same.

What is the purpose of multiplexing? (9.2). A) To sequence multiple signals in pulse trains and send them along the wire or data bus, to the terminal unit (demultiplexer). B) To sequence single signal in pulse train and send them along the wire or data bus, to the terminal unit.

Multiplexing is done (9.2). B) by adding different time and address to each signal. A) by adding at the same time and address signal.

Couplers in fiber optic technology are devices (10.7). C) with multiple input or output ports for light to travel. A) with single input or output port for light to travel. B) with multiple input only.

If fiber optic cable brakes it can (10.6). A) not be soldered but can be repaired by fusion or mechanical splicing. B) not be soldered only can be replaced.

Attenuation in fiber optic cable is caused by (10.6). A) Absorption and scattering of light as it travels along the cable. B) by torsion of the cable.

Optic data transmission is used for (10.2). C) Transferring light signals over fiber cable either short or long distance. A) djsngiuesgnpiuenrhg. B) osirnthuonsbustno.

In aircraft technology fiber optic system are most widely used in (10.8). A) In-Flight Entertainment systems. B) Flight by ware.

Core in fiber optic cable is (10.2). C) the thin plastic or glass layer where light travels through. A) odurnguspnhirng. B) psrnhpueinhuie5rnh.

LCD stands for (11.3). C) Liquid Crystal Display. A) Led Crystal Display. B) Level Crystal Display.

An electronic gun is a part of (11.2). A) CRT display. B) pirtnhirnhurtnh.

CMOS integrated circuits have (12.2). B) Very low current consumption. A) Very high current consumption.