Numerical - Specific volume, given weight of fluid - Fluid Mechanics

Q.  One litre of a certain fluid weighs 8N. What is its specific volume?
- Published on 05 Aug 15

a. 2.03 x 10– 3 m3/kg
b. 20.3 x 10– 3 m3/kg
c. 12.3 x 10– 3 m3/kg
d. 1.23 x 10– 3 m3/kg

ANSWER: 1.23 x 10– 3 m3/kg

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    Discussion

  • Soubhik   -Posted on 18 Sep 19
    Specific volume= v/m
    V=1*10^-3
    m=8/9.81
    Now, specific volume = 10^-3/(8/9.81)=(9.81*10^-3)/8 = 1.23*10^-3
  • Prakash chhatria    -Posted on 14 Mar 19
    Well explanation
  • Suresh Kinnal   -Posted on 15 Dec 17
    Its really super explanation and very good and help to all the students and learners
  • Ashraf jamali   -Posted on 05 Oct 17
    i am satisfied to your answer txn a lot
  • k. selvakumar   -Posted on 13 Nov 16
    Very useful for prepare for compatative exam
  • Prajakta   -Posted on 25 Sep 15
       Volume = 1 litre = 1 x 10–3 m3, W = 8 N

    Specific Weight = W / V = 8 / 1 x 10–3 = 8000 N/m3

    Specific Weight = Mass density x Acceleration due to gravity

    8000 = ρ x 9.81

    ρ = 8000 / 9.81

    ρ = 815.4944

    Specific Volume = 1 / (Mass Density)

    = 1 / ρ

    = 1 / 815.4944

    = 1.23 x 10– 3 m3/kg

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