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100 Cards in this Set
- Front
- Back
Which part of a radar set amplifies and converts an RF wave into a video signal? |
Receiver |
|
How long in microseconds does it take an RF wave to travel a radar mile? |
12.4 microseconds |
|
If a radar echo returns after 310 microseconds, how far away is the target? |
25 miles |
|
In which radar system is the transmitter turned on for short periods of time and off for long periods of time? |
Pulse-Modulation |
|
Accurate location of an object in space by radar pulses depends upon both |
range and direction |
|
Which component in a pulse-modulation radar set supplies the voltages that operate the other radar components? |
Power supply |
|
Which component in a pulse-modulation radar system shapes the radio frequency energy into a narrow beam? |
Antenna |
|
The screen display on newer types of pulse-modulation radar indicators is called a |
map |
|
in a frequency-shift radar system, the Doppler principle makes it possible to instantaneously sense and measure |
ground speed and drift angle |
|
In a frequency-shift radar system, what is the relationship between a transmitter/receiver and an aircraft when the received frequency is higher than the transmitted frequency? |
The aircraft is flying towards the transmitter/receiver |
|
In a frequency-shift radar system, what is the relationship between a transmitter/receiver and an aircraft when the received frequency is lower than the transmitted frequency? |
The aircraft is flying away from the transmitter/receiver |
|
What are types of power loss in radio frequency lines? |
copper, dielectric, and radiation |
|
If the spacing between the waveguide walls are size of the walls changes, then there will be a change in impedence causing decreased |
power |
|
what is the most common device used to commect multiple sections of a waveguide system? |
Choke-joint |
|
The function of a dummy load in a search and weather radar is to |
simulate a resistive load |
|
What circuit is triggered when the AS-653C radar antenna reflector rotates through the aircraft lubber line? |
Heading marker |
|
Which component in the AN/APN-59 radar system furnishes both pitch and roll drive signals to the antenna stabilization motors? |
AM-853B |
|
What is the maximum heigh that the CARA system computes aircraft altitude above ground level? |
50,000 feet |
|
If your aircraft has two CARA systems installed, then how many associated antennas will be installed? |
four |
|
When reporting altitudes above 100 feet, the digital altitude display of the CARA indicates increments of |
ten feet |
|
What are all of the functions of the SET knob located on the combined altitude radar altimeter indicator? |
as an on/off control, to set the VALI indivator, and as a test button to check the system |
|
During the CARA radar altitude indicator's bright lighting conditions, the ambient light sensor serves to |
override the dimmer control knob |
|
What is the maximum altitude that the analog pointer and dial of the CARA's radar altitude indicator can display? |
5,000 feet |
|
If self-test is manually initiated on the CARA, then for 1.5 seconds the radar altitude indicator will display an illuminated R/T lamp, the pointer will move to |
500 feet, and the digital display will read 88888 |
|
What is the average operating power in watts of the LPCR system? |
11 W or less |
|
Which radar application is used to fly along a preselected altitude above the ground? |
terrain following |
|
Which radar application sends data to compute time-to-go parameters? |
bombing radar |
|
What establishes the network system time for a Link-16 system? |
NTR |
|
To enhance voice clarity on TADIL J secure digitized voice channels, the operator will select a Kb/s voice rate of |
16 Kb/s |
|
If a unit has the need and capability to participate in both Link-16 and older Link systems, then it will normally be assigned an address between |
00001 to 00177 |
|
Which of the following fields does the Link-16 friendly status reports contain? |
Equipmen status |
|
The elapsed time indivator of the R/T indicates the time power has been |
applied to the R/T |
|
If you have a fail indication on the JTIDS digital data processor, then pressing the RESET pushbutton switch on the DDP will reset the fault indicator |
if the related fault cause was corrected |
|
Which subassembly is a part of the CMS? |
SDCU |
|
When transmitting in the high power mode, what is the power output in Wp of the high power amplifier of the JTIDS? |
1050 Wp |
|
What power source is used to provide emergency back-up power to the JTIDS terminal to maintain critical data? |
Nickel-cadmium batteries |
|
What is the range in MHz of signals that the low pass filter passes? |
960-1215 MHz |
|
What is the operating band used by the JTIDS? |
L |
|
How many bits of data can be transmitted in a given time slot of a JTIDS? |
930 |
|
When can the JTIDS synchronization process be initiated? |
Every 12 seconds when a Net Entry message is transmitted |
|
What are the two processes in which JTIDS fine synchronization are accomplished? |
Passive and Active |
|
IF the JTIDS entrant is attempting to acheive fine syncrhonization by transmitting a round trip time interrogation, then what process is being used? |
Active |
|
Which component of the tactical information gateway system enables beyond line-of-sight coverage? |
satellite communications/global positioning system antenna |
|
What is the purpose of the MIDS data link terminal? |
Provide LOS connectivity to a local area network |
|
To prevent interference and possible terminal shutdowns, what systems are monitored by the TIG system? |
IFF, ETCAS, and TACAN |
|
Which is a MIL-STD 1553 bus standard requirement? |
Information will be transferred in a reliable, deterministic, command/response fashion |
|
What is the structure of a MIL-STD 1553 data word? |
20 bits long; 3 sync bits, 16 data/command/status bits; 1 parity bit |
|
Which of these is not a function of the MIL-STD 1553 data bus mode codes? |
Executing a BC broadcast command |
|
If a BC sends a command for all RTs to listen to data from another RT, then what type of command is being sent on the MIL-STD 1553 data bus? |
Broadcast command |
|
The basic element in a computer microchip is |
silicon |
|
Chips with circuits that can do the work of all the different parts of a computer are called |
microprocessors |
|
What part of a computer acts like a sophisticated switchboard operator? |
Control unit |
|
Where does the arithmetic/logic unit of a computer store the intermediate results of arithmetic operations? |
Registers |
|
To synchronize the processing of input/output oerations and provide an overlap of operations, the computer uses |
buffers |
|
The primary computer memory that usually cannot be erased is called |
ROM |
|
Random access memory is used to |
store information being caluclated by the computer |
|
The resolution of a computer monitor is expressed in the number of pixels that make up the image; therefore, the sharper the image, |
the higher the resolution |
|
Using a text based method to display characters and objects on a computer display refers to |
information displayed in the form of printed characters |
|
Internet protocols can best be described as a |
way to communicate across interconnected networks |
|
the technique where blocks of data can be segmented into numerous blocks so sequential blocks can be written to different physical mediums is |
data stripping |
|
which RAID parity is distributed across all drivers and elminates a bottleneck? |
RAID-5 |
|
the power meter is used to measure |
either absolute or relative power |
|
What power meter control compensates for a slight sensitivity associated with a particular type of power sensor? |
CAL ADJ |
|
A power snesor is essentially a |
transducer |
|
The power sensor is used to determine the active frequency range and power range within the design parameters of the |
power meter |
|
When calibrating the power sensor, you adjust the CAL ADJ control so that the digital readout indicates |
1.000W |
|
If you want to measure relative power using a power meter, you would first apply the power level and then press |
dB REF |
|
Which piece of test equipment uses electromagnetic wave pulses to create a visual display of cable faults? |
Time domain reflectometer |
|
Damage to the sampling gate or tunnel diode of a TDR indicates voltages exceeding |
5V was applied |
|
To test the cable on the TDR, use the standard |
36-inch, 50 ohm cable |
|
What measurements are performed with the RFLTS when a fault is suspected in an RF transmission path because of unacceptable insertion loss |
Distance-to-fault measurements |
|
Before power is connected to RFLTS, you must ensure ON/POWER/OFF switch is in the OFF position and a suitable grounding strap is connected between the grounding luf on the right side of the RFTLTS unit 1 and the |
aircraft |
|
Which unit of the RFLTS is the accecory kit? |
2 |
|
The model 4328A milliohmeter has a resistance measurement range of |
.001 to 100 ohms |
|
To avoid measurement errors due to electromagnetic forces, the model 4328A utilizes a |
1 KHz signal |
|
The model 4328A milliohmeter can maintain continuous battery operation for |
8 hours |
|
When using the 1 and 3 milliohm range on the model 4328A milliohmeter, how far away from conducting surface should the probes and cables be placed? |
10 centimeters |
|
Which torque wrench uses a micometer-type markings |
type III |
|
If you are going to torque a self-locking nut to 50-70 inch-pounds and the technical order states that the prevailing torque is 30 inch-pounds, then the complensated torque reading should be |
set to 80-100 inch-pounds |
|
Before using a dropped torque wrench, you must |
have it recalibrated |
|
The four basic functions of a data bus analyzer include data display, error |
loggings and analysus, simulation, and playback of data |
|
What basic function of a data bus analyzer provides the ability to introduce an error condition into the data to permit an analysis of how the system will behave? |
Simulation |
|
The external keyboard assembly of the SBA-100F bus analyzer uses a standard QWERTY format with |
an 18 key HEX format that is detachable from the main chassis |
|
On the SBA-100F bus analyzer, a yellow XMIT indicator means the analyzer is |
transmitting as a bus controller |
|
Sealants used on airframes keep out water,fumes, and the atmosphere to protect against |
corrosion |
|
What type of sealant has an application time during which the sealant remains suitable for use? |
Curing type |
|
When the confidence test is performed, which APX-64 transponder R/T module's gain is increased? |
IF amplifier |
|
If you are in test mode when using the TS-1438A transponder test set, then which IFF modes can be checked? |
1, 2, 3/A, and C |
|
What reply characteristics of the IFF transponder are analyzed when the TS-1843A test set is used in the MONITOR mode? |
Transmitter frequency, transmitter power, bracket pulse spacing, and antenna VSWR |
|
How many transponder test sequences can be initated by the TS-3977 on a continous use basis with fully charged battery stick? |
300 |
|
When the TS-3977 test set battery voltage is low, |
six of the seven deciam points flash on and off |
|
When pressing the TEST RPT button on the transponder TS-3977 test set while aiming the antenna at the ground, the test code indication should be |
O |
|
You should remove the battery if the TS-3977 transponder test set it to be idle |
24 hours |
|
How many types of tests can be performed on a TACAN system with the ARM-184 flightline test set? |
6 |
|
Which TACAN checks should not be performed when using the ARM-184 flightline test set during connection to the radiating transponder? |
Transmitter power and receiver sensitivity |
|
The flightline test set measures the tracking ability of the TACAN range circuits up to a maximum of |
132 nmi |
|
If you turn the Bearing CW/CCW switch on the ARM-184 flightline test set, then the indicator should increase or decrease at an angular rate of |
5 degrees per second |
|
If the ARM-186 VOR/ILS ramp test set AMBER power indicator is on, how much operation time remains on the battery charge? |
0-1 hour |
|
The ARM-186 VOR/ILS test set RED power lamp is illuminating. In this situation, the battery should be recharged for a minimum of |
36hours |
|
The ARM-186 VOR/ILS test set provides RF attenuation for signals over 110 dB range in the increment of |
1 dB |