Practice URE Test

1. Which of the following is not included in the United States Northern Command’s area of responsibility?

Continental United States.

Canada.

Hawaii.

Alaska.

2. Which device is not an example of instrumentation?

Smoke detector.

Speedometer.

Light switch.

Fuel gauge.

3. Which transmitting antenna arrangement best assures continuous line-of-sight transmission and reception when an aircraft under test performs rolling maneuvers?

One antenna, mounted on top

One antenna, mounted on bottom

Two antennas, mounted on either side

Two antennas, mounted on top and bottom

4. What operating system does the MARK IVB product control subsystem use?

NT.

DOS.

UNIX.

Windows.

5. Which is the most important Defense Support Program mission?

Theater warning.

US retaliatory strike.

North American warning.

Worldwide space launches.

6. Which is not a characteristic of the Defense Advanced GPS Receiver?

Can only be used as a handheld unit.

Can use an external power source and external antenna.

Can be installed in a host platform (ground facility, air, sea, or land vehicle).

Is a Selective Availability Anti-Spoofing Module based Precise Positioning Service receiver.

7. Which test range capability makes sure transmitted radio frequency signal strength does not exceed approved limits?

Time and synchronization

Frequency management

Communications

Flight tracking

8. Which aspect of a personal computer is not a factor in determining data acquisition performance?

Bus architecture.

Graphics capability.

Microprocessor type.

Data transfer method.

9. On a satellite, position and orientation control is especially critical for what type of antenna?

Broadband.

Wide angle.

High frequency.

Highly directional.

10. What system supports the National Command Authority and provides all-service (Army, Navy and Air force) communication for interoperable command, control and communications (C3) at all levels of conflict?

Defense Satellite Communications System.

Global Positioning System.

Defense Support Program

Milstar.

11. What is the minimum number of global positioning system satellites that must be tracked to have accurate three-dimensional navigation?

Two.

Three.

Four.

Five.

12. An instrumentation system using computer hardware and software to gather and analyze input data, and then respond with output signals is an example of

Virtual instrumentation.

Acquisition and control.

Acquisition.

Control.

13. What factors does elevation play in selecting a site location?

It must be neither excessively higher nor lower than the surrounding land

It must be on the highest point of elevation on the surrounding land

It should have less than 5 percent grade over the surrounding land

It should be on level land

14. The trunk group multiplexer TD-1236 can multiplex up to

One group of the 512 Kbps data rate family

One group of the 576 Kbps data rate family

Four groups of the 512 Kbps data rate families of 576 Kbps data rate families

Four groups of the 12 Kbps data rate families and 576 Kbps data rate families

15. The major components of the Theater Deployable Communications package are the Integrated Communications Access Package and a

Single-band, high capacity airborne satellite terminal.

Single-band, high capacity ground satellite terminal.

Multi-band, high capacity airborne satellite terminal.

Multi-band, high capacity ground satellite terminal.

16. What are two primary global positioning system missions?

Navigation and nuclear detection.

Surveillance and nuclear detection.

Navigation and meteorological data.

Surveillance and meteorological data.

17. Which test range capability uses radar and optical instruments?

Frequency management

Communications

Flight tracking

Safety

18. Which agency is responsible for Defense Support Program operational control?

HQ AFSPC.

HQ AFPC (10 AF).

SPACEAF (14 AF).

USSTRATCOM/CC.

19. Which are satellite readout station equipment groups?

Radio frequency set and modulation system controller.

Modulation interface equipment and transmit/receive set.

Modulation interface equipment and modulation system controller.

Radio frequency set, transmit/receive set, and digital equipment set.

20. Which term best describes the investigation of a history of process?

Theoretical analysis

Research and development

Instrumentation and telemetry

Operational test and evaluation

21. Which is the layer of software that performs a specific function for the user, such as presentation capability?

Driver-level.

Data analysis.

Data processing.

Application-level.

22. Which test range capability uses command destruct?

Safety

Security

Flight tracking

Frequency management

23. Measuring physical phenomena from a distance and transferring the measurement to a point where recording and analysis can take place is called

Instrumentation.

Communications.

Autoprocessing.

Telemetry.

24. Which is not function performed by telemetry system signal conditioners?

Attenuating high-level signals

Amplifying low-level signals

Sensing physical phenomena

Filtering wideband signals

25. Which ultra-high frequency band is allocated for telemetry testing only unmanned aerospace vehicles?

K-band

L-band

S-band

X-band

26. Which recorder uses an analog-marking device to present data on continuously advancing paper?

Magnetic tape

Strip chart

Tabular

X-Y

27. The maximum distance a Tropo/Satellite Support Radio can operate with the 2-foot antenna

10 miles

25 miles

100 miles

250 miles

28. In Tropo/Satellite Support Radio’s baseband assembly, a 1-volt peak-to-peak input signal results in how many frequency deviation in the transmitter?

+/- 4 MHz

Less than +/-4 MHz

More than +/-4 MHz

No signal deviation

29. What are the Air Force Satellite Control Network (AFSCN) command and control nodes?

Environmental Satellite Operations Center at Schriever AFB, CO, and Multi Purpose Satellite Operations Center, Offutt AFB, NB.

Air Force Weather Agency, Offutt AFB, NB, and NOAA Satellite Operations Control Center at Suitland, MD.

Air Force Weather Agency, Offutt AFB, NB, and Multi Purpose Satellite Operations Center, Offutt AFB, NB.

30. During initial acquisition, the AN/PSN-11 Precision Lightweight GPS Receiver (PLGR) selects satellites at a minimum elevation angle of

0 degrees.

5 degrees.

10 degrees.

15 degrees.

31. Which phase of test and evaluation must a newly researched and developed product go through?

Developmental

Investigative

Post-design

Follow-on

32. Which is not a transducer principle of operation?

Magnetic.

Inductive.

Acceleration.

Photoelectric.

33. Which is not an example of digital signal conditioning?

Converting analog to digital

Converting data from bit-signal to bit-parallel

Converting data from bit-parallel to bit-parallel

Conditioning data to a common-level logic output

34. When planning a microwave path using a 4/3 radius profile, the signal beam is

A curve line

A straight line

Between the two lines

Concentrated between the two lines

35. In an AN/TRC-170 terminal, the quantity of digital group multiplexer units supplied and their application are

Different in the V2 and V3 systems

Identical in the V2 and V3 systems

Dependent on the mission and number of channels

Dependent on the deployment of the technical control

36. The purpose of satellite antenna pointing data is to

Update the mission satellite orbital database and ephemeris table.

Update the mission satellite orbital database and satellite acquisition training.

Direct the servo positioning equipment to drive motors that position the antenna to specific acquisition angles.

37. For an operational mission, the purpose of the Global positioning System User Segment is to enable users to

Actively receive satellite broadcast position, velocity, and time data.

Actively transmit satellite broadcast position, velocity, and time data.

Passively receive satellite broadcast position, velocity, and time data.

Passively transmit satellite broadcast position, velocity, and time data.

38. In computer-based instrumentation, which analog input interface specification refers to the minimum and maximum voltage levels that the analog-to-digital converter can quantize?

Range.

Slew rate.

Sampling rate.

Input resolution.

39. What are the three main groups of features shown on topographic maps?

Land surface, culture, and relief

Land surface, water, and roads

Water, culture, and roads

Water, culture, and relief

40. The type of diversity you have when the same frequency radiates simultaneously in two different planes is

Polarization

Crossband

Frequency

Space

41. The Tropo/Satellite Support Radio frequency coverage extends from

4.4 to 5.25 GHz

7.25 to 8.4 GHz

14.4 to 15.25 GHz

17.25 to 18.4 GHz

42. Which Defense Meteorological Satellite Program elements receive only real-time satellite imagery when the satellite is in view?

Strategic.

Tactical.

Air Force Weather Agency.

Automated Remote Tracking Stations.

43. Which transducer characteristic states that the device must perform its specified function with a minimum of extraneous error-causing external influences?

Suitability for expected environment.

Magnitude of the electrical output.

Output impedance.

Frequency range.

44. When compared to space diversity, two advantages of frequency diversity are that it

Is more economical and provides backup

Is cheaper and provides greater channel capability

Conserves the frequency spectrum and provides backup

Has greater channel capability and conserves the frequency spectrum

45. The two major subdivisions of the Defense Meteorological Satellite Program user segment are

Air Force Weather Agency and the Fleet Numerical Meteorology Oceanography Center and tactical terminals.

Air Force Weather Agency and the Fleet Numerical Meteorology Oceanography Center only.

Air Force Weather Agency and National Oceanography Atmospheric Administration.

Fleet Numerical Meteorology Oceanography Center and National Oceanographic Atmospheric Administration and tactical terminals.

46. Which is not a primary capability of mission control on a test range?

Data collection

Communications

Frequency management

Equipment maintenance

47. In a typical time division multiplexing telemetry system, what is the minimum multiplication factor used, along with the highest frequency component in a sampled signal, to determine the sampling rate?

2

5

10

20

48. When planning a microwave route, regular graph paper is preferred for drawing path profiles because it is

Readily available worldwide

Easier to draw on as compared to logarithmic paper

Easier to show path clearances for varying conditions

Easier to draw on as compared to 4/3 earth radius paper

49. The quick reaction antenna for the V3 AN TRC-170 terminal uses

Two 6-foot-diameter, linear dual-polarized antennas

Four 6-foot-diameter, linear dual-polarized antennas

Two 9.5-foot-diameter, linear dual-polarized antennas

Four 9.5-foot-diameter, linear dual-polarized antennas

50. What is the maximum distance the Tropo/Satellite Support Radio’s radio frequency and baseband assemblies can be separated?

50 feet

100 feet

150 feet

They cannot be separated

51. What provides command and control (C 2) operations for the space segment?

Space monitor station.

Master control station.

Ground antennas.

Monitor station.

52. Which is the layer of software that directly programs the registers of the data acquisition hardware, managing its operation and integration with the personal computer resources?

Driver-level.

Data analysis.

Data processing.

Application-level.

53. In a telemetry system, which signals conditioning characteristics is specified for differential-input signal conditioners?

Precise gain

Voltage swing

Fault isolation

Common-mode rejection

54. In a telemetry receiver, where is the pre-detection signal output?

Detector circuit

Video amplifier

3rd intermediate frequency mixer

2nd intermediate frequency mixer

55. Which type of diversity requires two antennas, two receivers, and two transmitters?

Polarizition

Crossband

Frequency

Space

56. The MARK IVB antennas can be located up to how many feet away from the processing area?

1000.

1500.

2500.

3000.

57. Which computer-based instrumentation interface is used to start or stop a data acquisition operation based on an external event?

Analog output.

Analog input.

Digital input/output.

Timing input/output.

58. Which device generates an electrical signal at its output that is proportional to a physical phenomenon at its input?

Digital input/output.

Signal conditioner.

Commutator.

Transducer.

59. In a telemetry system, adjusting the signal conditioners so the output voltage swing will range from either 0 to +10 volts or -5 to +5 volts refers to what kind of output?

Bipolar

Unipolar

Normalized

Common-mode

60. A microwave system should have sufficient path clearance for

Minimum transmitted power

Maximum transmitted power

The lowest expected K value for severe weather conditions

The highest expected K value for severe weather conditions

61. What is the intermediate frequency of the Tropo/Satellite Support Radio?

70 MHz with a 10 MHz bandpass

70MHz with a 20 MHz bandpass

700MHz with a 10 MHz bandpass

700MHz with a 20 MHz bandpass

62. The purpose of the global positioning system ground antenna is to

Interface between the master control station and user sets.

Interface between the master control station and the satellites.

Provide all commanding and resources to process the satellites telemetry.

Provide all tracking and resources to process the monitor station downlinked telemetry.

63. The AN/PSN-11 Precision Lightweight GPS Receiver can continuously track up to how many satellites?

Four.

Five.

Eight.

Ten.

64. Which type of operational test and evaluation makes sure equipment meets mission requirements throughout its life cycle?

Post-design

Investigative

Developmental

Force development

65. When using space diversity, receive antenna spacing should be a minimum of

10 wavelengths apart

25 wavelengths apart

50 wavelengths apart

100 wavelengths apart

66. Which unit in the AN/TRC-170 terminal contains the rubidium standard?

Electrical synthesizer

Frequency subsystem unit

Tropospheric scatter modem

Transmitter-amplifier convertor

67. In the Tropo/Satellite Support Radio frequency assembly, what permits the transmitter and receiver to be connected to the same antenna?

Circulator

Combiner

Coupler

Hybrid

68. What is the mission of the United States Northern Command?

Homeland security and civil support.

Homeland defense and civil support.

Homeland security and homeland defense.

Homeland security and foreign service support.

69. This type of command, sent to the satellite by the space systems mission control complex, contains embedded timing that specifics the time the satellite will execute the command.

Real-time.

Time-delayed.

Timed program.

Stored program.

70. Active transducers not requiring excitation are classified as

Photoconductive.

Nongenerating.

Piezoresistive.

Generating.

71. What is the number of global positioning system orbital planes?

Four.

Five.

Six.

Seven.

72. How many joint task forces are assigned to the United Sates Northern Command?

Three.

Four.

Five.

Six.

73. The MD-1206 digital data modem can interface up to four groups of

Balanced non-return-to-zero (NRZ) signals

Conditioned diphase signals

Unbalanced NRZ signals

Isochronous signals

74. Equipment designed for observation, detection, and automatic control is known as

Telemetry.

Instrumentation.

Research and development.

Operational test and evaluation.

75. Systems that perform measurements or automatic computations are known as

Telemetry.

Processors.

Communications.

Instrumentation.

76. What must the decommutator perform in order to demultiplex data?

Signal conditioning

Frame synchronization

Digital to analog conversion

Parallel to serial conversion

77. Which transducer characteristic addresses the shunting effect on the telemetry system’s input?

Suitability for expected environment.

Magnitude of the electrical output.

Frequency range.

Impedance.

78. Which telemetry equipment contains a commutator and outputs serial pulse code modulation data?

Multiplexer-encoder

Diversity combiner

Bit synchronizer

Transmitter

79. Which telemetry equipment locks on to the frame synchronization patterns to demultiplex individual data words?

Diversity combiner

Bit synchronizer

Decommutator

Commutator

80. Which global positioning system operation control segment component is remotely operated and transmits and receives telemetry to and from the satellites?

Monitor station.

Ground antenna.

Master control station.

Transmit ground station.

81. Which is not a function of a telemetry system?

Terminal tracking.

Multiplexing.

Transducing.

Receiving.

82. Which telemetry equipment performs signal conditioning, locks onto the incoming data bit rate, and reconstructs, or cleans up, the serial pulse code modulation data stream?

Multiplexer-encoder

Bit synchronizer

Decommutator

Commutator

83. Stability is important to a satellite in the space environment because it allows the

Payload to operate accurately and the satellite bus to receive uploaded inertial reference and reliably.

Payload to operate accurately and the satellite bus to receive uploaded inertial reference and data reliably.

Accelerometers to operate accurately and the satellite bus to receive commands and upload data reliably.

Accelerometers to operate accurately and the satellite bus to receive uploaded inertial reference and data reliably.

Practice Ure Test

1. Which of the following is not included in the United States Northern Command’s area of responsibility?

2.

What first name or nickname would you like us to use?

2. Which device is not an example of instrumentation?

3. Which transmitting antenna arrangement best assures continuous line-of-sight transmission and reception when an aircraft under test performs rolling maneuvers?

4. What operating system does the MARK IVB product control subsystem use?

5. Which is the most important Defense Support Program mission?

6. Which is not a characteristic of the Defense Advanced GPS Receiver?

7. Which test range capability makes sure transmitted radio frequency signal strength does not exceed approved limits?

8. Which aspect of a personal computer is not a factor in determining data acquisition performance?

9. On a satellite, position and orientation control is especially critical for what type of antenna?

10. What system supports the National Command Authority and provides all-service (Army, Navy and Air force) communication for interoperable command, control and communications (C3) at all levels of conflict?

11. What is the minimum number of global positioning system satellites that must be tracked to have accurate three-dimensional navigation?

12. An instrumentation system using computer hardware and software to gather and analyze input data, and then respond with output signals is an example of

13. What factors does elevation play in selecting a site location?

14. The trunk group multiplexer TD-1236 can multiplex up to

15. The major components of the Theater Deployable Communications package are the Integrated Communications Access Package and a

16. What are two primary global positioning system missions?

17. Which test range capability uses radar and optical instruments?

18. Which agency is responsible for Defense Support Program operational control?

19. Which are satellite readout station equipment groups?

20. Which term best describes the investigation of a history of process?

21. Which is the layer of software that performs a specific function for the user, such as presentation capability?

22. Which test range capability uses command destruct?

23. Measuring physical phenomena from a distance and transferring the measurement to a point where recording and analysis can take place is called

24. Which is not function performed by telemetry system signal conditioners?

25. Which ultra-high frequency band is allocated for telemetry testing only unmanned aerospace vehicles?

26. Which recorder uses an analog-marking device to present data on continuously advancing paper?

27. The maximum distance a Tropo/Satellite Support Radio can operate with the 2-foot antenna

28. In Tropo/Satellite Support Radio’s baseband assembly, a 1-volt peak-to-peak input signal results in how many frequency deviation in the transmitter?

29. What are the Air Force Satellite Control Network (AFSCN) command and control nodes?

30. During initial acquisition, the AN/PSN-11 Precision Lightweight GPS Receiver (PLGR) selects satellites at a minimum elevation angle of

31. Which phase of test and evaluation must a newly researched and developed product go through?

32. Which is not a transducer principle of operation?

33. Which is not an example of digital signal conditioning?

34. When planning a microwave path using a 4/3 radius profile, the signal beam is

35. In an AN/TRC-170 terminal, the quantity of digital group multiplexer units supplied and their application are

36. The purpose of satellite antenna pointing data is to

37. For an operational mission, the purpose of the Global positioning System User Segment is to enable users to

38. In computer-based instrumentation, which analog input interface specification refers to the minimum and maximum voltage levels that the analog-to-digital converter can quantize?

39. What are the three main groups of features shown on topographic maps?

40. The type of diversity you have when the same frequency radiates simultaneously in two different planes is

41. The Tropo/Satellite Support Radio frequency coverage extends from

42. Which Defense Meteorological Satellite Program elements receive only real-time satellite imagery when the satellite is in view?

43. Which transducer characteristic states that the device must perform its specified function with a minimum of extraneous error-causing external influences?

44. When compared to space diversity, two advantages of frequency diversity are that it

45. The two major subdivisions of the Defense Meteorological Satellite Program user segment are

46. Which is not a primary capability of mission control on a test range?

47. In a typical time division multiplexing telemetry system, what is the minimum multiplication factor used, along with the highest frequency component in a sampled signal, to determine the sampling rate?

48. When planning a microwave route, regular graph paper is preferred for drawing path profiles because it is

49. The quick reaction antenna for the V3 AN TRC-170 terminal uses

50. What is the maximum distance the Tropo/Satellite Support Radio’s radio frequency and baseband assemblies can be separated?

51. What provides command and control (C 2) operations for the space segment?

52. Which is the layer of software that directly programs the registers of the data acquisition hardware, managing its operation and integration with the personal computer resources?

53. In a telemetry system, which signals conditioning characteristics is specified for differential-input signal conditioners?

54. In a telemetry receiver, where is the pre-detection signal output?

55. Which type of diversity requires two antennas, two receivers, and two transmitters?

56. The MARK IVB antennas can be located up to how many feet away from the processing area?

57. Which computer-based instrumentation interface is used to start or stop a data acquisition operation based on an external event?

58. Which device generates an electrical signal at its output that is proportional to a physical phenomenon at its input?

59. In a telemetry system, adjusting the signal conditioners so the output voltage swing will range from either 0 to +10 volts or -5 to +5 volts refers to what kind of output?

60. A microwave system should have sufficient path clearance for

61. What is the intermediate frequency of the Tropo/Satellite Support Radio?

62. The purpose of the global positioning system ground antenna is to

63. The AN/PSN-11 Precision Lightweight GPS Receiver can continuously track up to how many satellites?

64. Which type of operational test and evaluation makes sure equipment meets mission requirements throughout its life cycle?

65. When using space diversity, receive antenna spacing should be a minimum of

66. Which unit in the AN/TRC-170 terminal contains the rubidium standard?

67. In the Tropo/Satellite Support Radio frequency assembly, what permits the transmitter and receiver to be connected to the same antenna?

68. What is the mission of the United States Northern Command?

69. This type of command, sent to the satellite by the space systems mission control complex, contains embedded timing that specifics the time the satellite will execute the command.

70. Active transducers not requiring excitation are classified as

71. What is the number of global positioning system orbital planes?

72. How many joint task forces are assigned to the United Sates Northern Command?

73. The MD-1206 digital data modem can interface up to four groups of

74. Equipment designed for observation, detection, and automatic control is known as

75. Systems that perform measurements or automatic computations are known as

76. What must the decommutator perform in order to demultiplex data?

77. Which transducer characteristic addresses the shunting effect on the telemetry system’s input?