Ritesh Das

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Viewing 10 posts - 11 through 20 (of 32 total)
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    1. Ritesh Das
      Member

      i agree…this year almost every branch had a difficult question paper!!…

      Feb 14, 2012 at 6:29 am
    1. Ritesh Das
      Member

      thank u…i have already completed operation research…now i am concentrating on PPC..:)

      Jan 02, 2012 at 4:28 pm
    1. Ritesh Das
      Member

      @chetan…yeah i am also doing the same…PN rao is good for manufacturing…and chetan there is one mistake in that book..average cutting shear strain = cot(shear angle)+ tan(shear angle – rake angle)….but in that book its given average cutting shear strain = cot(shear angle-rake angle)+ tan(rake angle)…so those who r studying from pn rao must note this…!!!

      Jan 02, 2012 at 4:26 pm
    1. Ritesh Das
      Member

      thank you chetan for ur reply…and sorry for being late…actually i read pk nag again…cleared my doubt…only for reversible process we integrtae the term pdv and get p(v2-v1)…whereas for irreversible process we cant do the same…but we can use the term pdv for both the processes…and yeah nptel videos of prof. s k som were very helpful too..:)

      Jan 02, 2012 at 4:20 pm
    1. Ritesh Das
      Member

      @dinesh…i am a mechanical engineer..:)

      Dec 19, 2011 at 5:39 pm
    1. Ritesh Das
      Member

      @chetan..i joined targate test series…its very good!!!…but already six tests over…i doubt whether u can join now..!!!…how r u testing ur performance??…i attempted gate 2004 paper yesterday just like normal gate exam…scored only 55.25 out of 150…u can also do something like that..:)

      Dec 19, 2011 at 5:36 pm
    1. Ritesh Das
      Member

      @chetan…its from PK nag(4th edition)…page number 180…chapter name-entropy..sub-topic-“first law and second law combined”..

      Dec 19, 2011 at 5:30 pm
    1. Ritesh Das
      Member

      TdS= dU+pdV…according to pk nag this equation holds good for any process(reversible or irreversible)…but how is that possible??…the term “pdV” is only used for quasi-static process or a reversible process!!!!!

      Dec 17, 2011 at 12:30 pm
    1. Ritesh Das
      Member

      and hey guys..have u joined any test series or coaching???…how ur analyzing ur performance from time to time??

      Dec 17, 2011 at 12:24 pm
    1. Ritesh Das
      Member

      thanks dinesh!!!….PC sharma has enough problems??….please reply soon thanks..:)

      Dec 17, 2011 at 12:17 pm
Viewing 10 posts - 11 through 20 (of 32 total)
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