Volume 2 (UREs)

on the ESTS, how many independently programmable power supply modules does the AC power supply assembly (A3A3) contain?
a. 1
b. 2
c. 3
d. 4

on the ESTS, what voltage programming range do the AC power supply modules provide?
a. 0 to 135 VDC
b. 0 to 135 VAC
c. 135 to 220 VDC
d. 135 to 220 VAC

on the ESTS, how many independently programmable DC power supply modules does the DC power supply assembly (A4A3) contain?
a. 3
b. 4
c. 5
d. 6

on the ESTS, what is the voltage programming range of the high voltage DC power supply module (DCPS6/A4A2)?
a. 0 to 100 VDC
b. 0 to 200 VDC
c. 100 to 200 VDC
d. 100 to 500 VDC

on the ESTS, the DC power supply modules (A4A3A2 through A4A3A6) provide what voltage programming range?
a. 0 to 32 VDC
b. 0 to 50 VDC
c. 0 to 100 VDC
d. 0 to 200 VDC

on the ESTS, in what slot of the RF VXI assembly (A5) is the VXI bus extender module (A5A1) located?
a. 0
b. 1
c. 2
d. 3

on the ESTS, which connector on the VXI bus extender module is a 52-pin connector?
a. TRIG OUT
b. EXT CLK
c. TRIG IN
d. MXI bus

on the ESTS, what type of power meter is power meter (A5A8)?
a. dual input
b. dual output
c. single input
d. single output

on the ESTS, in what slots of the RF VXI assembly (A5) is the RF counter (A5A9) located?
a. 1, 2, and 3
b. 6, 7, and 8
c. 9, 10, and 11
d. 11, 12, and 13

on the ESTS, the VXI bus extender module (A6A1) serves as the interface between the MXI bus and how many analog stimulus and response modules?
a. 4
b. 6
c. 8
d. 10

on the ESTS, how many independent digital to analog converter channels does the digital to analog converter (A6A2) provide?
a. 1
b. 12
c. 16
d. 24

on the ESTS, each module No. 1 and No. 2 (A6A3 and A6A4) consists of 211 relays. what type of relays are they?
a. SPST
b. SPDT
c. DPST
d. DPDT

on the ESTS, the Form C relay module (A6A7) consists of how many independent Form C relays?
a. 32
b. 64
c. 128
d. 256

on the ESTS, the CDM (A6A11) has a counter-timer and digitizer instrument capability. how many input channels does each instrument have?
a. 1
b. 2
c. 3
d. 4

on the ESTS, the timing generator module (A7A8) provides basic timing for the digital word generators 1 through 5 and the
a. bus simulator (A7A5)
b. H009 interface (A7A4)
c. advanced video system (A7A6)
d. VXI bus extender module (A7A1)

on the ESTS, digital word generators 1, 2, and 3 are what type of digital word generators?
a. high-density
b. high-speed
c. low-density
d. low-speed

on the ESTS, digital word generators 5 and 6 are what type of digital word generators?
a. high-density
b. high-speed
c. low-density
d. low-speed

what are the power requirements for ESTS operation?
a. 220 VAC single-phase
b. 115 VAC single-phase
c. 220 VAC 3-phase
d. 115 VAC 3-phase

on the ESTS, which power control circuit breaker controls power to the AC and DC power equipment assemblies?
a. MAIN POWER ON/OFF
b. VXI POWER ON/OFF
c. RF POWER ON/OFF
d. PS POWER ON/OFF

on the ESTS, which connector(s) of the interconnect assembly A10 (SIA1) connects to power distribution interconnections?
a. P1 only
b. P1 and P2 only
c. P1, P2, and P3 only
d. P1, P2, P3, and P4

on the ESTS, which connectors on the interconnect assembly A12 (SIA3) connect to the system controller (A9)?
a. P1 and P2
b. P3 and P4
c. J1 and J2
d. P1 and J1

on the ESTS, when installing the interconnecting box A15 (maintenance ITA), the A15 mating is completed by
a. rotating the two connectors engagement handles one turn clockwise
b. installing four locking bolts and tightening them
c. securing the locking clamps on both sides
d. locking the four engagement pins

what kind of Pentium processor does the ESTS system controller have?
a. 1 GHz
b. 500 MHz
c. 120 MHz
d. 90 MHz

the system controller operator interface on the ESTS consists of the flat panel display, integral resistive technology touchscreen, the 101-key keyboard, and
a. sound card
b. microphone
c. video graphics adapter
d. head phones and speakers

on the ESTS, the SCSI card controls the magneto-optical drive, the removable hard drive, and
a. CD-ROM drive
b. floppy controller
c. 3.5-inch floppy disk drive
d. 64 Mb RAM

the system controller front panel INT power indicators illuminate to indicate the voltages are present. what voltage levels are represented by each illuminated indicator?
a. - 5 and -12 VDC only
b. +5 and +12 VDC only
c. +5, -5, +12, and -12 VDC
d. +5, -5, +12, -12, +28, and -28 VDC

on the ESTS, on the system controller keyboard, what key(s) suspends display activity until another key is pressed?
a. Esc (Escape)
b. Pause (break)
c. Enter (carriage return)
d Ctrl, Alt, and Del (Control, Alternate, and Delete)

on the ESTS, what is used on the system controller external CD-ROM when it is not possible to open the CD-ROM drive using the Open-Close pushbutton?
a. reset power
b. remove lock nut
c. manual release lever
d. emergency eject access hole

on the ESTS, on the system controller external CD-ROM, what decrements the CD track selection?
a. SCSI ID select switch
b. forward track pushbutton
c. back track pushbutton
d. freature selector switch

on the ESTS, what type of switch is used to control the configuration on the system controller external CD-ROM's feature selector switch?
a. Dip
b. Toggle
c. Pushbutton
d. Thumbwheel

what does the ESTS main menu option TPS allow the operator to perform?
a. ESTS system shutdown
b. LRU testing
c. copy, print, and display calibration data
d. change voltage parameters and signal paths

on the ESTS, which F15 TPS selection menu option is the best method if you only know the name (nomenclature) of the LRU you are about to bench check?
a. alphabetical index listing
b. LRU work unit code
c. TPS list number
d. list scrolling

on the ESTS, which TPS main menu option performs a test on a specific LRU SRU?
a. LOAD OFP
b. READ/VERIFY OFP
c. INDIVIDUAL TESTING
d. END-TO-END TESTING

which ESTS main menu option provides ESTS configuration/status?
a. TPS (debug mode)
b. resource management
c. system services
d. shutdown

what RF equipment device provides the ESTS with its phase noise measurement capability?
a. signal analyzer
b. signal generator
c. spectrum analyzer
d. function select keys

on the ESTS, at what internal temperature does the signal analyzers VOLT/TEMP indicator light?
a. 50 degrees C
b. between 50 and 70 degrees C
c. 75 degrees C
d. when it exceeds 75 degrees C

on the ESTS, the RF generator No. 1 is capable of delivering what type of RF output(s)?
a. amplitude only
b. amplitude and pulse modulated only
c. frequency and pulse modulated only
d. amplitude, frequency, and pulse modulated

regarding the RF equipment assembly No. 2, together the spectrum analyzer and what other device perform phase testing of line replaceable units?
a. oscilloscope
b. signal analyzer
c. signal generator
d. frequency synthesizer

which spectrum analyzer MARKER key in RF equipment assembly No. 2, places a marker at the highest point on the signal trace and accesses a menu of marker functions?
a. MKR key
b. -->MKR key
c. FREQ COUNT key
d. PEAK SEARCH key

which tier(s) of the GPIU form the interface test connector?
a. A and B
b. B and C
c. A only
d. B only

which GPIU subsystem provides serial and parallel digital stimulus and measurement capability to the GPITM?
a. serial bus
b. digital test
c. waveform stimulus
d. test module adapter

which GPIU subsystem in the interface between the test station computer test module and the CCA of the GPIU?
a. serial bus
b. digital test
c. waveform stimulus
d. test module adapter

which GPIU CCA is not one of the tier C plug in CCAs?
a. 1553 CCA
b. display CCA
c. manchester CCA
d. test module adapter CCA

the GPITM power-on and initiated are two of the three types of BITs. what is the third type?
a. nonstop
b. permanent
c. continuous
d. uninterrupted

which GPITM BIT operates independently of the other station assets by using GPIU stimulus and measurement resources other than the CCA being tested?
a. initiated
b. power-on
c. continuous
d. uninterrupted

what two GPITM CCA are required to test every CCA within the GPIU?
a. special function interface and the signal conditioner
b. ICA I/F and the monitor select
c. ARB waveform generator and the HDR
d. TMA and the ICA I/F

if a GPITM spurious overcurrent interrupt occurs during BIT, what symbol (indicator) will be displayed by the status indicator for the circuit card assembly being tested when the interrupt occured?
a. dash (-)
b. zero (0)
c. percent (%)
d. asterisk (*)

within the GPITM GPIU, if multiple BIT failures occur for multiple CCAs and the I/F chassis bus extender is one of the CCAs that has failed BIT, what action should be taken?
a. ignore all other CCA BIT failures until the I/F chassis bus extender CCA fail is corrected
b. start from tier A and reset each CCA one at a time and then rerun BIT after each reset
c. reload system software because multiple CCA BIT fails indicate a software problem
d. power down and back-up the test station, this will reset all CCA firmware

the overall function of the RITM is to select and complete signal paths between the station RF automatic test equipment and what devices/component?
a. UUT
b. digitizer oscilloscope
c. frequency synthesizers
d. GPITM

the TISS test station RF measurement instruments such as the power meter and spectrum analyzer acquire measurement waveforms supplied by what?
a. load carts
b. interface test adapter
c. RITM
d. GPITM

what assembly(s) in the RITM stimulus assembly generates noise in two bands, a low band and a high band?
a. microwave counter test module
b. power amplifiers no. 1 and no. 2
c. frequency generator
d. noise assembly

which RITTM assembly performs down conversion for the RF in the 18 to 40 GHz band, input demodulation, and measurement?
a. power
b. control
c. stimulus
d. measurement

which measurement assembly device in the RITM converts the higher RF frequency range of 18.5 to 40 GHz to a 3.3214 GHz intermediate frequency?
a. crystal clock assembly
b. demodulator assembly
c. measurement distribution assembly
d. electronic frequency converter RF assembly

what CCA of the RITM control/power assembly converts logical commands from the TMA CCA controlling a maximum of 384 relays in the RITM to configure the RITM appropriately for the test?
a. RITM TMA CCA
b. relay driver CCA
c. RF sync CCA
d. self-test CCA

regarding the RITM stimulus assembly, where is the low-band noise source contained?
a. modulation assembly/modulation CCA
b. modulation assembly/noise CCA
c. noise assembly/modulation CCA
d. noise assembly/noise CCA

within the RITM stimulus assembly what device/assembly provides the required termination for the front panel connectors?
a. noise assembly
b. power amplifiers
c. modulation assembly
d. stimulus distribution assembly

within the RITM stimulus assembly, what devise/assembly provides comparators to test all output paths of the stimulus assembly during BITs?
a. stimulus distribution assembly
b. modulation assembly
c. power amplifiers
d. noise assembly

regarding the stimulus distribution assembly that is part of the RITM stimulus assembly, what device routes the outputs from amplifiers no. 1 and no. 2 to the output termination and switching circuit and to the modulation assembly?
a. output termination and switching circuit
b. RF input selector
c. amplifier output selector
d. distribution circuit

regarding the fifth IF assembly that is part of the RITMs measurement assembly, the fifth IF frequency is produced by heterodyning one of four LO frequencies with what else that is supplied by the test station?
a. third IF
b. fourth IF
c. 10 MHz clock channel
d. 100 MHz clock channel

which assembly within the RITMs measurement assembly receives IF input signals from the test station or from the fifth IF circuit card assembly?
a. measurement distribution
b. RF
c. demodulator
d. crystal clock

which assembly within the RITMs measurement assembly down converts RF input signals in the frequency range of 2 to 40 GHz?
a. demodulator
b. crystal clock
c. RF
d. measurement distribution

regarding the RF assembly of the RITM measurement assembly, which of the LO signals is supplied by the station spectrum analyzer and varies fom 10.5 to 18.5 GHz?
a. TLO
b. SLO
c. VLO
d. BIT LO

which assembly/CCA within the RITM measurement assembly contains all the logic circuitry required for gating, synchronizing, and measuring, electronic warfare type signals?
a. demodulation
b. measurement distribution
c. timing processor circuit card
d. fifth intermediate frequency circuit card

regarding the circuit breaker panel of the RITM control/power assembly's power circuit, what are the power inputs to the RITM that are controlled and monitored by the circuit breaker panel?
a. 28 VDC and 208 VAC only
b. 115 VAC and 28 VDC only
c. 208 VAC and 115 VAC only
d. 208 VAC, 115 VAC, and 28 VDC

regarding the control circuit's VME bus of the RITMs control/power assembly, which VME sub-bus carries signals that perform bus control functions?
a. utility
b. arbitration
c. data transfer
d. priority interrupt

regarding the control circuit's VMEs bus of the RITM control/power assembly, which sub-bus distributes DC power and general control signals such as system reset and failure signals?
a. utility
b. arbitration
c. data transfer
d. priority interrupt

regarding the RITM control/power assembly control circuit, what CCA(s) provides multiple signal paths for TTL level sync signals exchanged between the stimulus assembly, measurement assembly, and test station resources?
a. RF sync CCA
b. test module adapter CCA
c. relay driver CCA
d. self-test CCAs

which CCA of the IAIS test station computer communicates with the photometer and theodolite components of the optical test bench?
a. processor
b. RS-232 serial interface
c. computer test station interface
d. small computer system interface

the only value that can be specified for the VOLTAGE modifier in the improved avionics intermediate shop discrete syntax is
a. 10 VDC
b. 12 VDC
c. 24 VDC
d. 28 VDC

how many IAIS ATLAS syntax statements can you use to control the power supply unit?
a. two
b. three
c. four
d. five

on IAIS general-purpose switch CCA, operational control signals for relays K26 through K30 come from the UUT
a. only
b. or the computer
c. the computer, or the modular relay driver
d. or a combination of the station computer and modular relay driver

on IAIS expansion measurement matrix CCA, low-voltage channels 1 and 2 connect any one of
a. seven analog input signals to any one of 40 outputs
b. 10 analog input signals to any one of 100 outputs
c. 40 analog input signals to any one of seven outputs
d. 100 analog input signals to any one of 10 outputs

what IAIS CCA consists primarily of five modular-divided-by-N counters and nine gate arrays?
a. modular low-power RF
b. advanced bus emulator
c. interface controller
d. serial interface

which IAIS CCA provides biphase stimulus to the UUT, and then evaluates the biphase response from the UUT?
a. modular low-power radio-frequency
b. advanced bus emulator
c. dedicated input/output
d. serial interface

besides providing peculiar I/O capabilities for the UUT and I/O interface backplane, the IAIS controller CCA has built-in capabilities to monitor
a. fluctuations in facility input power
b. the status of all IAIS I/O operations
c. UUT overtemperature and overvoltage conditions
d. the power supply self-test and interface test adapter interlock

the IAIS improved LF measurement CCA route conditioned signals for measurement to the
a. analog channel CCAs in IUA
b. dual power meter in the MMU
c. internal cursive measurement CCA in IUB
d. LF receiver CCA in the MMU

the frequency range of the IAIS HF measurement CCA is
a. DC to 10 MHz
b. AC to 10 MHz
c. DC to 100 MHz
d. AC to 100 MHz

which IAIS IUA CCA drive the analog AFG CCAs to generate arbitrary waveforms?
a. digital AFG
b. analog channel A and B
c. digital-to-analog arbitrary function driver
d. rate-delay generator CCA and trigger selector

the rate-delay trigger pulse generated by the IAIS rate-delay generator CCA
a. creates a 20- usec delay to allow sufficient time for processing analog input signals
b. creates a 20- usec delay to allow sufficient time for processing digital input signals
c. acts as a transfer strobe for enabling analog signal measurements
d. acts as a transfer strobe for enabling digital signal measurements

how are FREQ adjustments made to the IAIS 10- MHz standard?
a. FREQ adjustments cannot be made to the 10- MHz standard; instead, its oscillator assembly must be replaced if it out of tolerance
b. by adjusting the output of the 10- MHz oscillator on the trigger selector CCA
c. by adjusting the output of the FREQ input select circuit on the advanced counter/timer CCA
d. by adjusting the on-board trim potentiometer

what programmable attributes are available for the output signal from the IAIS pulse generator output CCA?
a. amplitude and offset
b. offset and transition time
c. amplitude and transition time
d. amplitude, offset, and transition time

what IAIS IUB CCA generates pulses and pulse trains for the timing of analog stimulus and measurement?
a. timing generator
b. discrete I/O
c. raster video generator
d. synchro generator/measurement

what IAIS IUB CCA provides the video and synchronization signals used to display rater patterns on the UUT?
a. timing generator
b. discrete I/O
c. raster video generator "A"
d. synchro generator/measurement

what IAIS IUB CCA provides video bright-up signals, and X- and Y-symbol deflection during testing?
a. timing generator
b. discrete I/O
c. raster video generator
d. advanced display controller

what types of RF output signals are available from the IAIS MSU?
a. CW, AM, FM, and PM
b. AM, FM, PM, and DM
c. CW, AM, PM, and side-lobe suppression
d. CW, AM, FM, and side-lobe suppression

what is the output frequency range of the IAIS MSU's frequency synthesizer SRU, as referenced from the 10- MHz reference in the MMU's low-frequency receiver SRU?
a. 2.4 - 12.4 GHz
b. 2.4 MHz - 12.4 GHz
c. 2 - 18.5 GHz
d. 2 MHz - 18.5 GHz

the IAIS MMU measures RF signals ranging from
a. DC - 30 MHz
b. DC - 10.5 GHz
c. 30 MHz - 18.5 GHz
d. 2.4 - 12.4 GHz

in the IAIS MMU, what SRU's output is routed to the self-test CCA, which then provide accurate power measurement and a wide dynamic range for CW and pulsed signals?
a. RF input and downconverter
b. IF log/lin receiver
c. dual arbitrary function generator
d. counter/timer interface

which IAIS MMU component provides gate signals to the timing generator/counter-timer CCA for frequency measurements?
a. counter/timer interface SRU
b. RF input and downconverter generator CCA
c. dual arbitrary function generator CCA
d. self-test CCA

what optical test bench assembly provides stimulus to the ambient light sensors of the wide-angle conventional HUD unit and diffractive optics HUD unit?
a. light source
b. digital theodolite
c. photometric adapter
d. theodolite interface

when viewed from the optical test bench's digital theodolite, what establishes the optical reference?
a. 2-inch mirror
b. 4-inch mirror
c. precision gimbal
d. calibration fixture assembly

the power distribution system on the optical test bench receives its power from the
a. PSU
b. PCU
c. FCU
d. CDU

the programmable output range of the variable DC power supply on the optical test bench is
a. 0 to +5 VDC; 0.8 amp
b. 0 to +10 VDC; 1.2 amp
c. 0 to +18 VDC; 1.6 amp
d. 0 to +24 VDC; 2.0 amp

the input voltage tolerance for the line power monitor on the IAIS PCU is
a. 177 - 268 VAC phase-to-phase, or 107 - 156 VAC phase-to-neutral
b. 177 - 268 VAC phase-to-neutral, or 107 - 156 VAC phase-to-phase
c. 107 - 156 VAC phase-to-neutral only
d. 177 - 268 VAC phase-to-phase only

the power factor correction circuitry in the power conversion assembly of the improved avionics intermediate shop power and control unit
a. can be disabled through software control
b. prevents overvoltage and overcurrent conditions
c. ensures the input current is in phase with the input voltage
d. ensures the input current is in phase with the output current

the RF filter interference assemblies in the IAIS PCU are designed to
a. eliminate RF noise interference from the PCU output
b. eliminate RF noise interference from the input power source
c. provide 60 amps of circuit protection for the PCU when facility power becomes unstable
d. provide 125 amps of circuit protection for the PCU when facility power becomes unstable

the IAIS PSU is configured for interface with the station computer by means of
a. three four-position DIP switches located on the GPIB interface CCA
b. three eight-position DIP switches located on the GPIB interface CCA
c. two four-position DIP switches located on the GPIB interface CCA
d. two eight-position DIP switches located on the GPIB interface CCA

on the IAIS FCU, the 800- Hz module assembly gets its operating power from the
a. auxiliary bias supply
b. three-phase reference assembly
c. 1.75 logic bias supply assembly
d. +-200 VDC capacitor bank

the IAIS refrigeration unit begins conditioning the UUT cooling air coming from the blower unit when the
a. refrigeration control and fault monitor CCA receives a HITEMP signal from the UUT
b. refrigeration control and fault monitor CCA receives a HITEMP signal from the blower unit
c. air from the blower unit exceeds 62.6 degrees C
d. air from the blower unit exceeds 62.6 degrees F

when operating under manual control, the IAIS blower unit
a. overrides the general-purpose interface bus mode
b. protects the unit from drawing too much current
c. regulates air outlet temperature
d. operates at minimum speed