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2M051A Vol 2 > Chapter 3 UREs > Flashcards

Chapter 3 UREs Flashcards

0
Q
  1. (215) Prior to initial use, personnel must test their wrist straps for serviceability and log the date,
A

*A. time, test results, and user name for QA purposes.
B. test results, user name, and team chiefs name for QA purposes.
C. test results, user name, and evaluators name for QA purposes.
D. time, test results, and team chiefs name for QA purposes.

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1
Q
  1. (215) Newly assigned personnel who handle ESD sensitive items shall receive
A

A. initial ESD handling training only.
B. initial ESD awareness and prevention training only.
C. initial ESD handling training and annual refresher training.
*D. initial ESD awareness and prevention training and annual refresher training.

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2
Q
  1. (215) Bare skin contact is required only when
A

A. installing a metal cap on an isolated cable.
B. installing a circuit card into the auxiliary alarm panel.
*C. removing an electronic drawer from its transport case.
D. installing conductive dust caps on an electronic drawer.

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3
Q
  1. (215) What ESD precaution shall be taken prior to removing a circuit board from inside the auxiliary alarm panel (AAP)?
A

A. Place the replacement circuit card on the portable static control work station.
B. Remove all essential items from the work area.
C. Touch the AAP case with a bare hand.
*D. Roll sleeves up above the elbow.

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4
Q
  1. (215) Which type(s) of ESD packaging is/are preferred?
A

A. Type I
B. Type II
*C. Type III
D. Type I and II

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5
Q
  1. (216) Where should you begin your fault isolation troubleshooting in the TO?
A

*A. Fault index
B. Fault response figure
C. Fault description section
D. Maintenance action section

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6
Q
  1. (216) What would you find in the upper left hand and right hand corners on the fault response figure?
A

A. Fault indications
B. Figure number
*C. Fault number
D. Fault status

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7
Q
  1. (216) Which series of faults would be associated with the MAF?
A

A. 1000
*B. 2000
C. 3000
D. G and M

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8
Q
  1. (216) What column tells the technician to refer post maintenance requirements?
A

A. TO column
B. Response column
C. Actions column
*D. Results column

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9
Q
  1. (217) To make understanding system operation easier, diagrams are usually drawn with
A

A. the power source on the right and the diagram flowing left.
B. the ground terminals removed to eliminate muddling the diagram.
C. power applied and switches and contacts in the appropriate position.
*D. power NOT applied and switches and contacts in the appropriate position

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10
Q
  1. (217) What statement best describes graphic symbols used on a diagram?
A

A. They are only used on functional diagrams.
B. They are always identified in system descriptions.
C. They represent a component’s location, but not its function.
*D. They do not necessarily represent a component’s physical appearance.

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11
Q
  1. (217) During troubleshooting, a wiring diagram can be a useful tool for a technician because it will
A

A. give you an overall view of a particular system.
*B. allow you to verify a component is wired properly.
C. give you fuse ratings and coil resistance measurements.
D. contain component values, tolerances, and standard symbols.

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12
Q
  1. (218) Using the correct technical reference to understand circuit operations is
A

A. Rule 2 for tracing electrical circuits.
*B. the mot important step in circuit extraction.
C. needed only when working with energized circuits.
D. needed only when working on de-energized circuits.

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13
Q
  1. (218) When tracing a circuit, consider it to be
A

A. energized at all times.
B. energized only at the signal source.
*C. de-energized unless identified as energized.
D. de-energized at the power source and energized at the relays.
-

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14
Q
  1. (219) What should a replacement troubleshooting team verify before taking over the task?
A

A. All previously accomplished steps are confirmed.
B. The power is removed from the system or circuits.
C. A thorough cross-over is conducted between team chiefs.
*D. Verify the system is returned to its operational configuration.

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15
Q
  1. (219) Who can a technician contact to find out if a particular fault has occurred at the LF in the past?
A

A. Plans and Scheduling (P&S) because they de-brief the work packages.
B. The workcenter scheduler because they review all LF write-ups.
C. The MCC because they maintain the documents for the LF.
*D. MMOC because they can retrieve a fault history.

16
Q
  1. (219) Before working on the system you are troubleshooting, you must
A

A. listen for a chattering relay or unusual noises.
B. ensure all power is removed and all grounds are installed.
*C. review the applicable TO before probing or making corrections.
D. identify what component is overheating, damaged, leaking, or producing alarm indications.

17
Q
  1. (219) During the third step of troubleshooting, a technician must
A

A. use the TO to perform a preoperational checkout only when power is removed.
*B. use the TO to perform a preoperational checkout before an operational checkout.
C. contact their supervisors to determine if a similar fault has occurred at the same site in the past.
D. review the system or technical manual for normal operation and follow the flowchart for the cause or remedy

18
Q
  1. (219) While troubleshooting, verifying if any recent maintenance activities have occurred on a system will help
A

A. locate the area to start probing actions.
*B. thoroughly study the symptoms of the malfunction.
C. to determine if the problem is electrical or mechanical
D. alleviate some specific parts from the possible problem.

19
Q
  1. (219) When the TO does not clearly help alleviate a problem, what can be the most difficult part of troubleshooting?
A

A. Research
B. Operational checks
*C Locating the cause of the malfunction
D. Analyzing the malfunction

20
Q
  1. (220) Protective devices actuating and the circuit is inoperative are indications of a
A

A. cross short.
*B. direct short.
C. shorted control.
D. short to ground.

21
Q
  1. (220) What causes two or more independent circuits to operate from one control device?
A

*A. Cross short
B. Direct short
C. Shorted control
D Short to ground

22
Q
  1. (220) What short is occurring when switches are corroded together and a circuit continues to operate with the control device in the OFF position?
A

A. Cross short
B. Direct short
*C. Shorted control
D. Short to ground

23
Q
  1. (220) If a technician reads the same resistance at both ends of a diode, what has happened?
A

A. The meter test leads are bad.
*B. The diode is malfunctioning.
C. The meter is set to read to high.
D. Noting, it is working properly.

24
Q
  1. (220) What statement is most accurate in regards to testing a switch?
A

A. Power must be applied.
B. Power must be removed.
*C. Power may be removed or applied.
D. Only required if coil winding are shorted.

25
Q
  1. (221) What are items or parts, of a Minuteman weapon system which if bypassed, activated, or tampered with could result in or contribute to deliberate or inadvertent authorizing, pre-arming, arming, or launching of a combat delivery vehicle that is carrying a nuclear weapon called?
A

*A. Critical components
B. Operational components
C. Nuclear surety components
D. Hardness critical components

26
Q
  1. (221) What special notation is used in TOs other than 21M-LGM0F-12-1?
A

A. NCU
B. HCP
*C. NSP
D. NCUSP

27
Q
  1. (221) A complete OPCERT would be required
A

A. every time you install critical components.
B. if installing a previously certified critical component.
*C. if a decertified critical component is going to be connected to the weapon system.
D. if two person control on a critical component was discontinued after the component was decertified.

28
Q
  1. (221) What action during a limited OPCERT would not void a drawers certification?
A

A. Failing to maintain two person control.
B. Reseating decertified circuit cards in a critical component.
*C. Removing a circuit card to install a test accessibility device.
D. Repairing or replacing minor electrical components on circuit cards.

29
Q
  1. (221) Who makes the final determination if an operational certification failure is not the result of tampering?
A

A. The team chief
*B. The technical engineering team
C. The 526 systems group engineers
D. The missile maintenance operations center

30
Q
  1. (221) When may the TPC be released on a critical component?
A

A. When directed by the MMOC
B. After QA has dropped the requirement
*C. Once the critical component has been decertified
D. When directed by the Wing Commander

31
Q
  1. (222) How many LFs and LCCs are normally involved in a SEL for a Minuteman system?
A

A. 3 LFs and 2 LCCs
B. 3 LFs and 3 LCCs
*C. 6 LFs and 2 LCCs
D. 6 LFs and 3 LCCs

32
Q
  1. (222) What percentage of LF test sorties are normally simulated launched on the first day of a SEL test?
A

A. 25%
*B. 50%
C. 75%
D. 100%

33
Q
  1. (222) At what LF are test evaluation teams stationed during SELM testing?
A

A. Each LF tested
*B. LFs where ordnance is activated
C. LFs where ordnance activation is simulated
D. LFs where all ordnances have been removed

2M051A Vol 2 (8 decks)

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