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DNN LV Quiz on 28 Feb

Quiz by Christopher Ho

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16 questions
Show answers
  • Q1

    Can the jointer start work on the cable end immediately after de-energisation of the cable?

    false
    true
    True or False
    15s
  • Q2

    After I have asked the jointer to sign the HTO book, can I leave the site? Why?

    No. Because the AP will become the LEW in-charge of the full supervision of the jointing works

    Yes. Because jointer is qualified as Supervising Officer (SO)

    No. Because they need to take care of the site

    Yes. Because jointer will be the Supervising Officer (SO) after signing the HTO book

    30s
  • Q3

    After I have asked the LEW to signoff the book, can I leave the site? Why?

    Yes. Because the LEW will be fully in charge on the supervision of the jointing works, and AP will clearly brief the LEW on the whole work scope. But need to ensure a SP staff is at the S/S

     No. Because the LEW is not SP Staff

    Yes. Because the LEW will be fully in charge on the supervision of the jointing works, and AP will clearly brief the LEW on the whole work scope

    No. Because the LEW is not the Supervising Officer

    30s
  • Q4

    How many types of stickers are there for LOTO in LV?

    2

    4

    3

    5

    15s
  • Q5

    What is the name of the HTO Form

     “Certificate For LIVE Work on LV Cables/ Apparatus Connected To SPPA’s Low Voltage Network”

    “Certificate For LIVE Work To Supervising Officer”

    “Certificate For LIVE Work on LV Cables Connected To SPPA’s Low Voltage Network”

    “Certificate For LIVE Work To LEW/Jointer”

    20s
  • Q6

    How many sections are there in the HTO Form?

    4

    2

    5

    3

    15s
  • Q7

    Before performing any energisation to the Low Voltage Apparatus, AP shall

    ensure the cleanliness of the apparatus

    ensure that the work has been completed, all labour and tools have been withdrawn, and all the workers have been warned not to carry out any more work then check that the HTO form is signed

    ensure everyone are out of the substation and the LEW / Jointer are to sign the HTO book after energization

    check that the HTO form is signed before checking the labour and tools have been withdrawn, and all the workers have been warned not to carry out any more work

    30s
  • Q8

    All CAUTION NOTICES/ STICKER, DANGER NOTICES and insulated blades shall be fixed or removed only by the AP or under supervision of an AP

    true
    false
    True or False
    15s
  • Q9

    The LEW shall not instruct the cable jointer to commence work unless he has acknowledged receipt under Section 1 of the “Certificate For LIVE Work On LV Cables/ Apparatus Connected To SPPA’s Low Voltage Network” which is issued by the AP.

    false
    true
    True or False
    15s
  • Q10

    The LEW shall not instruct the cable jointer to commence work unless he has acknowledged receipt under Section 1 of the “Certificate For LIVE Work On LV Cables/ Apparatus Connected To SPPA’s Low Voltage Network” which is issued by the AP.

    true
    false
    True or False
    15s
  • Q11

    If AP/LEW need to leave the s/s to attend to some matters, can the jointer continue the work?

    Yes. As the HTO form is already signed

    No. The AP/LEW will have to stop work until he has returned to the S/S

     Yes. If there is one SP Staff supervising the jointer

     No. If there is no SP Staff supervising the jointer

    20s
  • Q12

    Can officers who are under going training be allowed to perform switching under direct supervision of an AP?

    Yes. Only after the officer have completed the 8 pre-requisite courses as stated in SPPG-EO-SOP-10 

     No. As he need to seek HOS permission for switching

     No. As he need to seek HOS and HOB permission for switching

    20s
  • Q13

    What type of works are required to use the HTO Book?

    When you feel like it

    All Live works (exposed to live apparatus) on cable/apparatus connected to SPPA’s low voltage network

    Job that requires only LEW to be supervising officer

    Only jointing work required HTO book

    20s
  • Q14

    The Cable Jointers / LEW are required to PERSONALLY collect / return the HTO form to AP?

    true
    false
    True or False
    15s
  • Q15

    Which are the proper PPE Attire for LV Switching?

    Helmet with Arc-Flash Face Shield, FRC, Safety Gloves and Safety Shoe

    Helmet, FRC and Safety shoes

    Helmet, Face mask, FRC, Safety Gloves and Safety shoes

    20s

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