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Prime Power Test Technician Level 2 Practice Exam 1 Of 3 (Safety)

50 Questions
Prime Power Test Technician Level 2 Practice Exam 1 Of 3 (safety)

Prime Power Test Technician pracice test 1 of 2. Test has 50 questions from level 2 exam in random order. Exam has a 90 minute time limit. You cannot save and resume later. Please allow yourself at least 1 hour to complete test. Good Luck!

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Questions and Answers
  • 1. 
    Lock Out / Tag Out procedures:
    • A. 

      Control energy for the purpose of safety.

    • B. 

      Pertain to electric equipment only.

    • C. 

      Provide for periodic inspection.

    • D. 

      Prevent unexpected intrusion.

    • E. 

      Require disconnection from equipment.

  • 2. 
    Zero energy state refers to:
    • A. 

      A power source that is locked out for servicing

    • B. 

      A power source that is locked out and tagged for servicing

    • C. 

      The release of all stored energy in a power source.

    • D. 

      The release of all locks and tags so that energy can be restored.

    • E. 

      Pertains to electric equipment only

  • 3. 
    A circuit may be tested to determine it is de-energized by use of :
    • A. 

      Ammeter

    • B. 

      Ground stick

    • C. 

      Appropriate voltage detector

    • D. 

      Ohhmeter

    • E. 

      Insulation resistance tester

  • 4. 
    Lead Acid storage batteries DO NOT include the following hazard:
    • A. 

      Explosive gas

    • B. 

      Electrical flash

    • C. 

      Eye contamination

    • D. 

      Skin burns

    • E. 

      High voltage arcing

  • 5. 
    What respirator is used when there is insufficient oxygen in a confined space or area, and where the concentration of airborne substances in immediately dangerous to life and health?
    • A. 

      Air purifying

    • B. 

      Filtering

    • C. 

      Air supplying

    • D. 

      None of the above

    • E. 

      All of the above

  • 6. 
    When untied portable ladders are used to access an upper landing surface, the top of the ladder SHALL extend:
    • A. 

      Just beneath the landing

    • B. 

      At least 1 1/2 feet above the landing

    • C. 

      At least 3 feet above the landing

    • D. 

      No more than 3 steps above the landing

    • E. 

      No more than 25% above the landing

  • 7. 
    When using a straight ladder, it is unsafe to climb higher than:
    • A. 

      The second rung from the top

    • B. 

      The third rung from the top

    • C. 

      75% of the total length

    • D. 

      The top rung

    • E. 

      Above the tie-off point

  • 8. 
    The top step of a tied-off ladder shall
    • A. 

      Provide a 7 inch tread depth

    • B. 

      Have a non-slip surface

    • C. 

      Be kept free of foreign objects

    • D. 

      Not be used as a step

    • E. 

      All of the above

  • 9. 
    Class B fires may be extinguished by
    • A. 

      Foam, carbon dioxide, and dry chemical fire extinguishers

    • B. 

      Nearest water source

    • C. 

      Smothering with plastic, rags, and heavy cloth

    • D. 

      Class A fire extinguishers

  • 10. 
    OSHA requires that  __________________ be trained in the purpose and use of lock out / tag out procedures.
    • A. 

      All contracted employees

    • B. 

      All affected employees

    • C. 

      All management and supervisory personnel

    • D. 

      Electrical workers

  • 11. 
    Air purifying respirators are used:
    • A. 

      Whenever there is not enough oxygen

    • B. 

      With self contained breathing apparatus and supplied air sources

    • C. 

      To screen out dangerous and offending materials

    • D. 

      To ensure that all dangerous substances have been removed from the atmosphere

    • E. 

      In evacuated oil circuit breaker tanks

  • 12. 
    Electrical fires are class:
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 13. 
    Upon the outbreak of a fire, your first action should be to:
    • A. 

      Alert or alarm

    • B. 

      Leave the area or building

    • C. 

      Extinguish the fire

    • D. 

      Determine correct fire extinguisher class

    • E. 

      Remove combustible material from the area

  • 14. 
    Extension cords and drop lights must be inspected:
    • A. 

      On each shift prior to use

    • B. 

      Within one week of use

    • C. 

      Within one month of use

    • D. 

      Semi-annually

    • E. 

      Annually

  • 15. 
    Manual lifting is best perfomed by the use of:
    • A. 

      Arms

    • B. 

      Legs

    • C. 

      Back

    • D. 

      Entire body

  • 16. 
    The best definition of a Confined Space is:
    • A. 

      Any space where dangerous gasses can develop and oxygen might be deficient

    • B. 

      Any small space with regard to human size or that was previously sealed without ventilation

    • C. 

      Any non-ventilated space

    • D. 

      Any space having limited openings for entry and exit, unfavorable ventilation, or not designated for continuous occupancy

    • E. 

      A and B

  • 17. 
    Which of the following would not be a confined space:
    • A. 

      A ship compartment

    • B. 

      A silo

    • C. 

      A vat

    • D. 

      A ventilated room

    • E. 

      A vent

  • 18. 
    Which of the follwing should be acheived with adequate ventilation:
    • A. 

      An oxygen level of at least 19.5%

    • B. 

      Keep toxic gas and vapors withing acceptable limits

    • C. 

      Maintain oxygen levels under 23.5%

    • D. 

      None of the above

    • E. 

      A,B,and C

  • 19. 
    How many people must serve as an attendant outside a confined space?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      0

  • 20. 
    Confined space regulations are enforced by:
    • A. 

      OSHA

    • B. 

      NIOSH

    • C. 

      EPA

    • D. 

      NFPA

  • 21. 
    When performing atmoshpheric tests on a confined space:
    • A. 

      Test oxygen level first

    • B. 

      Test for combustible gasses first

    • C. 

      Test for toxic vapors first

    • D. 

      Test order is not important

  • 22. 
    A confined space entry permit must be signed by:
    • A. 

      Authorized entrant

    • B. 

      Authorized attendant

    • C. 

      Trained individual acting as entry supervisor

    • D. 

      Certified safety officer

  • 23. 
    The acronym LEL means:
    • A. 

      Low flouride level

    • B. 

      Lower explosive limit

    • C. 

      Less explosive liquid

    • D. 

      A measurement of toxic gas or vapor

    • E. 

      Leal eats lasagna

    • F. 

      None of the above

  • 24. 
    An oxygen Enriched atmoshphere:
    • A. 

      Must be acheived before entry into a confined space

    • B. 

      Is developed to dilute toxic gasses or vapors

    • C. 

      Contains less than 19.5% oxygen level

    • D. 

      Is unsafe

  • 25. 
    What is the purpose of continuous forced air ventilation?
    • A. 

      Eliminates the need for atmospheric tests

    • B. 

      Eliminates the need for an attendant

    • C. 

      Eliminates the need for a permit

    • D. 

      Reclassifies a confined space to a non confined space

    • E. 

      None of the above

  • 26. 
    Class 2 gloves have a maximum use voltage of __________?
    • A. 

      1,000 VAC

    • B. 

      10,000 VAC

    • C. 

      17,000 VAC

    • D. 

      30,000 VAC

    • E. 

      35,000 VAC

  • 27. 
    How often must insulated blankets be electrically tested?
    • A. 

      Every six months

    • B. 

      Prior to each use

    • C. 

      Every 12 months

    • D. 

      Every 18 months

    • E. 

      Every 24 months

  • 28. 
    The maximum intended AC voltage use of  insulating blankets is identified by its _________ designation.
    • A. 

      Type

    • B. 

      Class

    • C. 

      Style

    • D. 

      Thickness

  • 29. 
    Class 0 gloves with an AC proof test rating of 5000 volts has a maximum use voltage of:
    • A. 

      5000V

    • B. 

      1000V

    • C. 

      2500V

    • D. 

      4500V

  • 30. 
    Voltage detectors must:
    • A. 

      Provide visual indication

    • B. 

      Provide measurement of any voltage present

    • C. 

      Be rated for the system and voltage being tested

    • D. 

      Include an insulated handle

    • E. 

      All of the above

  • 31. 
    Insulated gloves that have been issued for service must be electrically tested:
    • A. 

      Before each use

    • B. 

      Every 6 months

    • C. 

      Every 12 months

    • D. 

      Daily

    • E. 

      Every 3 months

  • 32. 
    When using a voltage detector to assure medium voltage electrical equipment is de-energized, the operator must:
    • A. 

      Determine the detector has been tested within the past 6 months

    • B. 

      Check operation of the detector against a known energized source before each use

    • C. 

      Never allow the voltage detector to come into contact with the electrical equipment under test

    • D. 

      Check operation of the detector against a known energized source after each use

    • E. 

      Check operation of a detector against an known energy source before and after each use

  • 33. 
    In addition to electrical testing, rubber gloves should be inspected and field tested:
    • A. 

      Before each use

    • B. 

      Daily

    • C. 

      Weekly

    • D. 

      Monthly

  • 34. 
    Hard hats suitable for the performance of low voltage electrical work, but NOT for higher voltage electrical work, are identified as being:
    • A. 

      Class A

    • B. 

      Class B

    • C. 

      Class C

    • D. 

      Class A and B

    • E. 

      All of the above

  • 35. 
    The safety goggles or glasses suitable for electrical work use should:
    • A. 

      Be non-conductive

    • B. 

      Be polarized

    • C. 

      Be hard plastic

    • D. 

      Block all bright light

    • E. 

      Be non-transparent

  • 36. 
    All approved voltage detectors:
    • A. 

      Require contact with conductor being tested

    • B. 

      Indicate voltage level

    • C. 

      Meet measurement accuracy standards

    • D. 

      Provide visual indication

    • E. 

      None of the above

  • 37. 
    Assurance of proper and safe de-energization, lock out/ tag out, testing for presence of voltage, and grounding is the ultimate responsiblity of:
    • A. 

      The switchman

    • B. 

      The test crew leader

    • C. 

      The engineer in charge

    • D. 

      Yourself

    • E. 

      Your company

  • 38. 
    The purpose of spare keys for power equipment interlocks is:
    • A. 

      To facilitate switching operations during maintenance

    • B. 

      To facilitate fuse and tap changing operations

    • C. 

      To create less visual or temporary tie conditions in order to avoid an interruption of service

    • D. 

      To replace the in service key if it becomes broken or lost

    • E. 

      All of the above

  • 39. 
    The procedure to assure equipment is isolated from any available energy source is:
    • A. 

      Confined space entry

    • B. 

      Plant switching orders

    • C. 

      OSHA lock out/ tag out

    • D. 

      NEC article 250 compliance

    • E. 

      None of thea above

  • 40. 
    Temporary safety grounds:
    • A. 

      Shall not be located near the worker

    • B. 

      Must be 2/0 size conductor

    • C. 

      Are sized with consideration of available short circuit current and time duration

    • D. 

      Must include heavy duty screw clamp or spring tension type connection

    • E. 

      All of the above

  • 41. 
    Under what considerations can tag out without lock out be permitted?
    • A. 

      If all members of maintenance team agree and sign tag

    • B. 

      If an energy isolating device is not capable of being locked out

    • C. 

      If the employer demonstrates that the tag out program will provide the same level of safety as that provided by a lock

    • D. 

      B and C

    • E. 

      None of the above

  • 42. 
    The lock and tag that has been applied to an energy isolating device should be removed by:
    • A. 

      The person that applied them

    • B. 

      A supervisor or foreman

    • C. 

      An authorized owner representative

    • D. 

      A member of the maintenance or repair crew

    • E. 

      The last repair crew or group to complete their assignment and report clear

  • 43. 
    Temporary protective grounds should be placed to create an equipotential zone in the work area:
    • A. 

      At the work location preferably

    • B. 

      On the incoming lines

    • C. 

      Near each energy source

    • D. 

      If concern for unexpected re-energization exists

    • E. 

      Before any testing is performed

  • 44. 
    When using a "hook stick" to open an energized switch that does not include a stored energy system, one must:
    • A. 

      Operate the switch cautiously

    • B. 

      Position oneself well off to the side

    • C. 

      Jerk the switch to free the contacts and then pull it open carefully

    • D. 

      Open the switch quickly

    • E. 

      Open it slowly to detect excess arcing

  • 45. 
    The accuracy rating of a specific analog ammeter is +/- 1% of full scale. A measurement is taken at 25% of full scale. The accuracy of this measurement is +/-
    • A. 

      1%

    • B. 

      .25%

    • C. 

      4%

    • D. 

      25%

    • E. 

      2.5%

  • 46. 
    Why is it necessary to record all test readings?
    • A. 

      To document the test was performed

    • B. 

      To allow evaluation of the measurement

    • C. 

      To provide a basis for future comparisons

    • D. 

      All of the above

    • E. 

      None of the above

  • 47. 
    Upon taking an insulation resistance reading, the test person should:
    • A. 

      Record the reading as shown on the meter scale

    • B. 

      Apply the scale multiplier, then record

    • C. 

      Record the multiplier

    • D. 

      Record scale reading and multiplier

    • E. 

      B or D as applicable

  • 48. 
    • A. 

      Record the average magnitude of dips

    • B. 

      Record the lowest current dips read

    • C. 

      Investigate the test set supply voltage

    • D. 

      Record the reange of current dips experienced

  • 49. 
    • A. 

      80

    • B. 

      86.7

    • C. 

      100

    • D. 

      120

  • 50. 
    The cosine of an angle is equal to :
    • A. 

      Opposite / hypotenuse

    • B. 

      Adjacent / hypotenuse

    • C. 

      Opposite / adjacent

    • D. 

      Adjacent / opposite