Mhafb CDC 2a051s Vol. 2 Maintenance Fundementals II

90 Questions | Total Attempts: 172

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CDC Quizzes & Trivia

Volume 2 URE Questions for 5 level CDCs


Questions and Answers
  • 1. 
    (201) An electrical charge at rest is called
    • A. 

      Electric current

    • B. 

      Static electricity

    • C. 

      Electrostatic voltage

    • D. 

      Electrostatic discharge

  • 2. 
    (201) Triboelectrification is the
    • A. 

      Generation of a static charge by friction

    • B. 

      Dissipation of a static charge by diffusion

    • C. 

      Dissipation of a static charge by a static drain

    • D. 

      Generation of a static charge by electrical noise

  • 3. 
    (201) In an ESD protective area, what level of relative humidity is the most desirable?
    • A. 

      20 - 40 percent

    • B. 

      40 - 60 percent

    • C. 

      60 - 80 percent

    • D. 

      80 - 100 percent

  • 4. 
    (201) The electostatic voltage sensitivity of the human body is approximately how many volts?
    • A. 

      500

    • B. 

      1,200

    • C. 

      3,500

    • D. 

      4,500

  • 5. 
    (201) When ESDS components are mounted on a circuit board, the
    • A. 

      Components are still susceptible to ESD damage

    • B. 

      Components are no longer susceptible to ESD damage

    • C. 

      Circuit board forms a static drain, protecting the components

    • D. 

      Circuit board forms an electrostatic shield, protecting the components

  • 6. 
    (202) It is important for servicable and unservicable (reparable) ESDS items to receive the same ESD protection so
    • A. 

      The conductive connector caps are not lost

    • B. 

      Technicians stay in the habit of protecting all items

    • C. 

      No further ESD damage is done to the damaged parts

    • D. 

      No further ESD damage is done to the remaining operating parts

  • 7. 
    (202) Proper static drain is fast enough to quickly remove the static charge before any damage is done, yet slow enough so it doesn't produce a damaging
    • A. 

      Electrostatic field

    • B. 

      Discharge current

    • C. 

      Discharge voltage

    • D. 

      Microdiffusion field

  • 8. 
    (202) Which is not one of the three principal components of a static control workstation?
    • A. 

      Personnel wrist strap

    • B. 

      Static dissipative flooring

    • C. 

      Common point ground system

    • D. 

      Statis dissipative work surface

  • 9. 
    (202) How often must a wrist strap be tested with a wrist strap tester?
    • A. 

      Daily

    • B. 

      Weekly

    • C. 

      Monthly

    • D. 

      Before each use

  • 10. 
    (202) What is the proper procedure when you are testing a wrist strap with a wrist strap tester?
    • A. 

      Check only the resistance of the entire system when you are not wearing the cuff

    • B. 

      Check only the continuity of the entire system when you are not wearing the cuff

    • C. 

      Check continuity and resistance of the entire system when you are wearing the cuff

    • D. 

      Check continuity and resistance of the entire system when you are not wearing the cuff

  • 11. 
    (203) You must torque a bolt to 60 inch-pounds, but you only have a foot-pound torque wrench.  To what value must you set the foot-pound torue wrench to properly torque the bolt?
    • A. 

      3 foot-pounds

    • B. 

      5 foot-pounds

    • C. 

      6 foot-pounds

    • D. 

      12 foot-pounds

  • 12. 
    (203) Which torque wrench uses micrometer-like markings and a rotating adjustment sleeve to set torque values?
    • A. 

      Type I

    • B. 

      Type II

    • C. 

      Type III

    • D. 

      Type IV

  • 13. 
    (204) When would you use a torque wrench to break loose a bolt?
    • A. 

      Never

    • B. 

      Whenever the bolt is overtightened

    • C. 

      When using a torque wrench extender

    • D. 

      When it's too tight to use a standard break-away wrench

  • 14. 
    (204) You must compensate for the prevailing torque of a self-locking nut if it is more than ___% of a nut's recommended torque value
    • A. 

      15%

    • B. 

      20%

    • C. 

      25%

    • D. 

      33%

  • 15. 
    (204) You must compensate for the prevailing torque of a self-locking nut when the
    • A. 

      Technical order specifies that compensation is required

    • B. 

      Prevailing torque is developed by a nylon self-locking nut

    • C. 

      TO does not specify that compensation is required

    • D. 

      Prevailing torque is less than 10 percent of the recommended torque value

  • 16. 
    (204) Before using a dropped torque wrench, you must
    • A. 

      Have it recalibrated

    • B. 

      Update the certification label

    • C. 

      Cycle through the breakaway torque

    • D. 

      Set the wrench to its maximum setting

  • 17. 
    (205) Which is not provided by a TAS?
    • A. 

      Tool manufacturer

    • B. 

      Tool broken and removed

    • C. 

      Tool removed for calibration

    • D. 

      CTK due for periodic inspection

  • 18. 
    (206) In the heterodyning or mixing process, what are the two new frequencies produced?
    • A. 

      Upper sideband (difference) and lower sideband (sum)

    • B. 

      Upper sideband (sum) and lower sideband (difference)

    • C. 

      Upper sideband (difference) and middle sideband (sum)

    • D. 

      Upper sideband (sum) and middle sideband (difference)

  • 19. 
    (207) Which radio-frequency component is used to sample an input signal and does not have any moving parts?
    • A. 

      Filter

    • B. 

      Mixer

    • C. 

      Isolator

    • D. 

      Directional coupler

  • 20. 
    (207) The radio-frequency component used to prevent any feedback in a circuit is the
    • A. 

      Isolator

    • B. 

      Attenuator

    • C. 

      Band-pass filter

    • D. 

      Directional coupler

  • 21. 
    (208) The power meter
    • A. 

      Must be operated manually

    • B. 

      Can be operated manually or automatically

    • C. 

      Can only be operated through use of an interface bus

    • D. 

      Can only be operated through an ATS

  • 22. 
    (208) What control compensates for a slight sensitivity associated with a particular type of power sensor?
    • A. 

      CAL ADJ

    • B. 

      RANGE HOLD

    • C. 

      SENSOR ZERO

    • D. 

      CAL FACTOR %

  • 23. 
    (209) A power sensor is essentially a
    • A. 

      Capacitor

    • B. 

      Transistor

    • C. 

      Facilitator

    • D. 

      Transducer

  • 24. 
    (209) Before a power meter can be used, the meter and power sensor must be
    • A. 

      Calibrated together

    • B. 

      Calibrated independently

    • C. 

      Disconnected from each other

    • D. 

      Connected to an automatic test station

  • 25. 
    (209) When calibrating the power sensor, you adjust the CAL ADJ control so the digital readout indicates
    • A. 

      1.000 W

    • B. 

      -1.000 W

    • C. 

      1.000 mW

    • D. 

      -1.000 mW

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