2a533b Volume 3
- 1.
The maximum number of avionics units the military standard 1553B data bus is capable of transferring data between is
- A.
16
- B.
25
- C.
32
- D.
64
Correct Answer
C. 32 -
- 2.
Which element of the military standard 1553B data bus gathers and formats information from aircraft sensors for transfer on the data bus
- A.
Monitor
- B.
Bus controller
- C.
Remote terminal
- D.
Backup controller
Correct Answer
C. Remote terminal -
- 3.
A backup bus controller on the military standard 1553B data bus is
- A.
Mandantory and must be active at the sameas the primary bus controller
- B.
Mandantory and must not be active at the same time as the primary controller
- C.
Optional and may be active at the same time as the primary bus controller
- D.
Not required for normal operation, but is required on modern data buses
Correct Answer
D. Not required for normal operation, but is required on modern data buses -
- 4.
What does an optical data bus use as the controlling protocol for high-speed message transfer
- A.
MIL-STD-3910B
- B.
MIL-STD-1553B
- C.
Optic transceiver
- D.
Star coupler
Correct Answer
B. MIL-STD-1553B -
- 5.
When the bus controller detects a transmission error while communicating with a RT on the military standard 1553B data bus, the bus controller
- A.
Retransmits the command several times, and then tries the backup data bus
- B.
Is disabled and the backup controller resumes transmission
- C.
Attempts to retransmit to the RT until contact is made
- D.
Establishes communications with a different RT
Correct Answer
A. Retransmits the command several times, and then tries the backup data bus -
- 6.
Which element of the Military standard 1553B data bus is not usually used in avionics bus systems
- A.
Remote terminal
- B.
Bus controller
- C.
Stub coupler
- D.
Bus monitor
Correct Answer
D. Bus monitor -
- 7.
Which type of data bus stub is most suitable for stubs less than one foot in length on the Military Standard 1553B data bus
- A.
Transformer coupled stub with external coupling network
- B.
Transformer-coupled stub with internal coupling network
- C.
Direct-coupled stub with external coupling network
- D.
Direct-coupled stub with external coupling network
Correct Answer
D. Direct-coupled stub with external coupling network -
- 8.
The superior type of data bus stub on a military standard 1553B data bus is the
- A.
Transformer-coupled stub with external coupling network
- B.
Transformer-coupled stub with internal coupling network
- C.
Direct-coupled stub with internal coupling network
- D.
Direct-coupled stub with external coupling network
Correct Answer
A. Transformer-coupled stub with external coupling network -
- 9.
Each type of word used on the Military Standard 1553B data bus is
- A.
20 bits long with a 3-bit sync character, 16 information bits, and one parity bit
- B.
16 bits long with a 3-bit sync character, 12 information bits, and one parity bit
- C.
10 bits long with a 2-bit sync character, seven information bits, and one parity bit
- D.
8 bits long with a 2-bit sync character, five information bits, and one parity bit
Correct Answer
A. 20 bits long with a 3-bit sync character, 16 information bits, and one parity bit -
- 10.
In a military standard 1553B data bus command word, the field that refers to a function or area within the remote terminal to which command is being directed is the
- A.
Address field
- B.
Subaddress/mode field
- C.
Transmit/receive bit field
- D.
Word count/mode code field
Correct Answer
B. Subaddress/mode field -
- 11.
Information describing the condition of a RT on a Military Standard 1553B data bus is transmitted as a
- A.
Command word in response to a command from the RT
- B.
Data word in response to a command from the bus controller
- C.
Status word in response to a command from the bus controller
- D.
Data word in response to a command from the backup controller
Correct Answer
C. Status word in response to a command from the bus controller -
- 12.
The word count field in a controller-to-RT transfer message on the military standard 1553B data bus must correspond to the number of
- A.
Status words the RT transmits to the bus controller
- B.
Data words the RT receives from the bus controller
- C.
Status words the RT receives from the bus controller
- D.
Command words the RT transmits to the bus controller
Correct Answer
B. Data words the RT receives from the bus controller -
- 13.
After the receiving RT on a Military Standard 1553B data bus has received and validated the data words from the transmitting RT during an RT-to-RT transfer, it
- A.
Transmits a command word to indicate receipt of the message
- B.
Responds with a status word indicating a successful transfer
- C.
Responds with a data word indicating a successful transfer
- D.
Transmits a data word to the transmitting RT
Correct Answer
B. Responds with a status word indicating a successful transfer -
- 14.
During mode command transfers on a military standard 1553B data bus, the word count/mode code field identifies the
- A.
Particular mode command being implemented by the RT
- B.
Particular mode command being implemented by the bus controller
- C.
Number of data words to be transferred by the bus controller
- D.
Number of data words to be received by the RT
Correct Answer
B. Particular mode command being implemented by the bus controller -
- 15.
Which LRU is the CITS data bus controller
- A.
CITS maintenance recorder
- B.
Data conversion unit
- C.
Data acquisition unit
- D.
Digital computer
Correct Answer
D. Digital computer -
- 16.
Circuit parameter data from the communications and dependent position determining subsystems is received by the
- A.
CITS maintenance recorder
- B.
Data conversion unit
- C.
Data acquisition unit
- D.
Digital computer
Correct Answer
B. Data conversion unit -
- 17.
The aircraft parameter data file is recorded by the
- A.
CITS maintenance recorder
- B.
Data conversion unit
- C.
Data acquisition unit
- D.
Digital computer
Correct Answer
A. CITS maintenance recorder -
- 18.
The system integration manual does not contain
- A.
A description of the CITS system
- B.
A description of aircraft power control management
- C.
Descriptions of aircraft software configuration
- D.
Descriptions of CITS system autoflow
Correct Answer
A. A description of the CITS system -
- 19.
To locate a CMC autoflow chart in the system integration manual, you use the
- A.
Table of contents
- B.
CMC integration
- C.
CMC-to-Autoflow Cross-Reference LIST
- D.
CMC, PAGE, and ENTRY POINT index
Correct Answer
C. CMC-to-Autoflow Cross-Reference LIST -
- 20.
When the DISPLAY switch on the CITS computer display panel is momentarily pressed to DIS RESET,
- A.
All of the alphanumeric display is cleared
- B.
All lighted matrix switches are turned off and reset
- C.
The current line on the alphanumeric display is cleared
- D.
All lighted matrix switches are turned on for three seconds, and then off
Correct Answer
B. All lighted matrix switches are turned off and reset -
- 21.
How many different test patterns are used when the CITS computer display panel's DIS TEST switch is used
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
D. 4 -
- 22.
To view data on the alphanumeric display of the CITS computer display panel, the DIS mode switch must be in what position
- A.
STIM
- B.
KYBD
- C.
START
- D.
CMPTR
Correct Answer
D. CMPTR -
- 23.
In which mode is a CITS maintenance code displayed on the CITS computer display panel
- A.
ACFT
- B.
GND RDY
- C.
FLT FAULT ISLN
- D.
GND FAULT ISLN
Correct Answer
C. FLT FAULT ISLN -
- 24.
The mission computer provides display mode commands, flight director commands, and
- A.
Radio altitude
- B.
Radar altitude
- C.
Ground faults
- D.
Flight failures
Correct Answer
B. Radar altitude -
- 25.
The HUDs are focused to infinity and permit a wide field of view of
- A.
25 degrees horizontal and 18 degrees vertical
- B.
25 degrees horizontal and 24 degrees vertical
- C.
30 degrees horizontal and 24 degrees vertical
- D.
30 degrees horizontal and 30 degrees vertical
Correct Answer
C. 30 degrees horizontal and 24 degrees vertical -
- 26.
The HUD show declutter 1, declutter 2, and what three levels of symbol presentation
- A.
Enroute (declutter on) levels of symbol presentation
- B.
Enroute (declutter off) levels of symbol presentation
- C.
Normal (declutter on) levels of symbol presentation
- D.
Normal (declutter off) levels of symbol presentation
Correct Answer
D. Normal (declutter off) levels of symbol presentation -
- 27.
What are the HUD master control switch positions
- A.
OFF, NIGHT, TEST, and DAY
- B.
OFF, NIGHT, AUTO, and DAY
- C.
OFF, ACTIVE, AUTO, and DAY
- D.
OFF, ACTIVE, AUTO, and DAY
Correct Answer
B. OFF, NIGHT, AUTO, and DAY -
- 28.
The video symbology display system's symbol generator unit processes analog information, military standard 1553B bus data, and
- A.
Target data
- B.
Optic commands
- C.
Mode commands
- D.
TEST commands
Correct Answer
C. Mode commands -
- 29.
The video symbology display system displays a visual representation of navigation data, A/S, altitude
- A.
And axis velocities
- B.
And target acquisition
- C.
And target availability
- D.
Axis velocities, and various cautions
Correct Answer
D. Axis velocities, and various cautions -
- 30.
Which video symbology display system component receives compass, A/S, roll/pitch, and radio altitude information via the system electronic unit?
- A.
Symbol generator unit
- B.
Target availability unit
- C.
Resolution advisory unit
- D.
Navigation data control unit
Correct Answer
A. Symbol generator unit -
- 31.
Which integrated flight management system subsystem may be used to detect airborne targets?
- A.
Automatic flight display system
- B.
Color weather radar system
- C.
Global positioning system
- D.
Inertial navigation system
Correct Answer
B. Color weather radar system -
- 32.
Which integrated flight management system subsystem uses multiple satellites to calculate the aircrafts present longitude and latitude
- A.
Automatic flight display system
- B.
Color weather radar system
- C.
Global positioning system
- D.
Inertial navigation system
Correct Answer
C. Global positioning system -
- 33.
What provides the primary processing and interface functions for the flight management system
- A.
Automatic flight display system
- B.
Navigation computer
- C.
Control display unit
- D.
Data loader system
Correct Answer
C. Control display unit -
- 34.
The data loader system is comprised of a
- A.
Data cable and data receptacle
- B.
Data card and data receptacle
- C.
Data cable and data recorder
- D.
Data card and data recorder
Correct Answer
B. Data card and data receptacle -
- 35.
After the ADTD is first turned on, the heaters/ADTD may take up to
- A.
20 minutes to reach 0 degrees C
- B.
20 minutes to reach 0 degrees F
- C.
30 minutes to reach 20 degrees C
- D.
30 minutes to reach 20 degrees F
Correct Answer
A. 20 minutes to reach 0 degrees C -
- 36.
According to the principles applicable to the A/S indicator, as altitude increases, the maximum allowable A/S
- A.
Increases
- B.
Decreases
- C.
Stays the same
- D.
Increases, and then decreases
Correct Answer
B. Decreases -
- 37.
What type of pressure enters the A/S diaphragm of the A/S indicator
- A.
Pitot
- B.
Static
- C.
Engine
- D.
Barometric
Correct Answer
A. Pitot -
- 38.
Which error(s) must be corrected to make an A/S indicator display true A/S
- A.
Altitude
- B.
Altitude and impact
- C.
Temperature and impact
- D.
Altitude and temperature
Correct Answer
D. Altitude and temperature -
- 39.
The sensing elements in the true A/S indicator are surrounded by
- A.
Pitot pressure
- B.
Static pressure
- C.
Engine pressure
- D.
Methyl chloride gas
Correct Answer
B. Static pressure -
- 40.
Which conditions cause an uncorrected A/S indicator to read higher than it should?
- A.
Decreased altitude and decreased temperature
- B.
Decreased altitude and increased temperature
- C.
Increased altitude and decreased temperature
- D.
Increased altitude and increased temperature
Correct Answer
A. Decreased altitude and decreased temperature -
- 41.
Which indicator helps the pilot maintain a specific rate of climb or dive
- A.
Altimeter
- B.
Machmeter
- C.
True A/S
- D.
Vertical velocity
Correct Answer
D. Vertical velocity -
- 42.
What type of pressure is applied to the inside of the thermos chamber of the rate-of-climb indicator
- A.
Diffused pitot
- B.
Diffused static
- C.
Unrestricted pitot
- D.
Unrestricted static
Correct Answer
D. Unrestricted static -
- 43.
During what aircraft maneuver is the static pressure inside the diaphragm of the vertical velocity indicator greater than on the outside
- A.
Roll
- B.
Dive
- C.
Climb
- D.
Level flight
Correct Answer
B. Dive -
- 44.
The standard datum plane is a theoretical plane where the atmospheric pressure is
- A.
30.00'' of mercury (Hg) and the temperature is +15 degrees C
- B.
30.00'' Hg and the temperature is +40 degrees C
- C.
29.92'' Hg and the temperature is +15 degrees C
- D.
29.92'' Hg and the temperature is +40 degrees C
Correct Answer
C. 29.92'' Hg and the temperature is +15 degrees C -
- 45.
Static pressure is
- A.
Less at low radar altitudes and greater at higher radar altitudes
- B.
Less at low attack angles and greater at higher attack angles
- C.
Greater at low A/Ss and less at higher A/Ss
- D.
Greater at low altitudes and less at higher altitudes
Correct Answer
D. Greater at low altitudes and less at higher altitudes -
- 46.
What type of error is caused by the location and manner in which a pitot tube is installed
- A.
Density error
- B.
Instrument error
- C.
Installation error
- D.
AOA error
Correct Answer
C. Installation error -
- 47.
Mechanical error within the A/S indicator is called
- A.
Density error
- B.
Instrument error
- C.
Installation error
- D.
AOA error
Correct Answer
B. Instrument error -
- 48.
The primary difference between indicated A/S and true A/S is the
- A.
Density error
- B.
Instrument error
- C.
Installation error
- D.
AOA error
Correct Answer
A. Density error -
- 49.
Density error can be corrected by adjusting the
- A.
Barometric scale on the front of the indicator
- B.
Barometric scale on the back of the indicator
- C.
High pressure scale on the front of the indicator
- D.
High pressure scale on the back of the indicator
Correct Answer
A. Barometric scale on the front of the indicator -
- 50.
The heart of the vertical velocity indicator is a
- A.
Barometric scale
- B.
Expansion valve
- C.
Differential diaphragm
- D.
Pressure sensitive diaphragm
Correct Answer
D. Pressure sensitive diaphragm -
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Current Version
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Jan 21, 2013Quiz Edited by
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Nov 30, 2010Quiz Created by
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