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BPP Revision Kit Issue

Forums › Ask ACCA Tutor Forums › Ask the Tutor ACCA PM Exams › BPP Revision Kit Issue

  • This topic has 5 replies, 2 voices, and was last updated 1 year ago by Ellis-Sad.
Viewing 6 posts - 1 through 6 (of 6 total)
  • Author
    Posts
  • June 3, 2023 at 12:34 pm #685942
    Ellis-Sad
    Participant
    • Topics: 17
    • Replies: 30
    • ☆

    Hi there,

    Sorry i realise i’ve asked quite a few questions but i think you will find this one of particular interest…

    I’m working through the BPP revision kit (again!) and i’m on question number 92 – Yam Co.

    The question asks “what is the maximum capacity output per year for the bottleneck’s “pressing” for each product.”

    The answer i have is:
    A: 225,000 hours x (not divide) 0.50 (metres per hour) = 112,500
    B: 225,000 hours x (not divide) 0.50 (metres per hour) = 112,500
    C: 225,000 hours x 0.40 = 90,000

    However the answers to the revision kit are using division which doesn’t appear correct. If there is 0.50 metres processed every hour, them 1 metre will take 2 hours. And so 100,000 metres will take 200,000 hours and therefore it will be 112,500 metres for 225,000 hours. The revision kit though calculates it as 450,000 metres.

    Could someone please clarify this?

    Thank you.
    Ellis

    June 3, 2023 at 4:20 pm #685950
    LMR1006
    Keymaster
    • Topics: 4
    • Replies: 1496
    • ☆☆☆☆☆

    The total proc time of each factory is 18 * 5 *50 = 225,000 hrs
    So the prod capacity for pressing must be 225,000/0.5 hr per m = 450,000 metres
    The bottleneck is clearly pressing
    a b c
    Press 450,000 450,000 562,500
    Stret 900,000 562,500 900,000
    Roll 562,500 900,000 900,000

    (225,000 / 0.5 = 450,000)
    (225,000 / 0.25 = 900,000)
    (225,000 / 0.4 = 562,500)

    June 3, 2023 at 4:40 pm #685954
    Ellis-Sad
    Participant
    • Topics: 17
    • Replies: 30
    • ☆

    I still don’t completely follow. The only way i can see where i’ve gone wrong is where it says

    Processing time per metre in hours:
    Product A: 0.50 Product B: 0.50 Product C: 0.40

    And i have assumed this to be 0.50 metres pressed (on e.g product A) per hour, and instead it means 0.5 (30 mins) for every metre pressed.

    That’s the only way i can see where i’m going wrong.

    I’m also not sure how you worked out the stats for Rolling & Stretching when the data isn’t available?

    Thanks

    June 3, 2023 at 5:15 pm #685955
    Ellis-Sad
    Participant
    • Topics: 17
    • Replies: 30
    • ☆

    Oh, i see where you’re referring to. You’ve got the more ‘complete’ version from the lecture notes on page 19 which incidentally i have just come across.

    Looking at it like this, i think i had misinterpreted it as ‘metres per hour’ and should have understood it at ‘hours per metre’

    Is that correct?

    Thanks!

    June 3, 2023 at 6:36 pm #685958
    LMR1006
    Keymaster
    • Topics: 4
    • Replies: 1496
    • ☆☆☆☆☆

    Yes it is
    Kind regards

    June 4, 2023 at 10:59 am #685971
    Ellis-Sad
    Participant
    • Topics: 17
    • Replies: 30
    • ☆

    Ok, thanks

  • Author
    Posts
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