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  1. Offroad's Avatar
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    #1

    a versus the

    Dear teachers

    Which one of these articles sounds better?

    The oven temperature was programmed to vary from 50C (5 min) to 280C (10 min) at a/the heating rate of 10C/min.

    To me, considering this context, either works.

    Very much appreciated

    Offroad
    Last edited by Offroad; 23-Mar-2013 at 05:01.

  2. Raymott's Avatar
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    #2

    Re: a versus the

    Quote Originally Posted by Offroad View Post
    Dear teachers

    Which one of these articles sounds better?

    The oven temperature was programmed to vary from 50C (5 min) to 280C (10 min) at a/the heating rate of 10C/min.

    To me, considering this context, either works.

    Very much appreciated

    Offroad
    I'd use 'a', since there's no prior indication which heating rate they're talking about.
    But I'd want to know how you get to 280 degrees in 10 minutes using a heating rate of 10 degrees per minute.

  3. Offroad's Avatar
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    #3

    Re: a versus the

    Quote Originally Posted by Raymott View Post
    I'd use 'a', since there's no prior indication which heating rate they're talking about.
    But I'd want to know how you get to 280 degrees in 10 minutes using a heating rate of 10 degrees per minute.
    You're right. The way it is written may lead us to think just as you did. In fact, it should read:
    The temperature will increase from the ambient to 50C at 10C/min and stay there for 5 minutes, afterwards, it will increase to 280C at the same rate and stay there for 10 minutes. So, the math is: (50-25)/10 + 5 + (280-50)/10 + 10 = 45.5 minutes total time.


    Very much appreciated

    Offroad

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