Energy & mass transfer in isolated system - Basic Mechanical Engineering

Q.  In an isolated system, ________ can be transferred between the system and its surrounding.
- Published on 01 Sep 15

a. only energy
b. only mass
c. both energy and mass
d. neither energy nor mass

ANSWER: neither energy nor mass

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    Discussion

  • Sravanthi    -Posted on 12 Nov 15
    - A fixed mass in region of space under consideration to analyze a problem is called as a thermodynamic system.

    - Thermodynamic system is classified into three types:

    1) Closed system: It is defined as a system in which has no mass transfer across its boundaries. Energy is transfered in the form of heat and work.

    2) Open system: It is defined as a system in which mass and energy transfer takes place across its boundaries.

    3) Isolated system: In an isolated system, neither energy nor mass can be transferred between the system and its surrounding. Thermo-flask is an example of isolated system.

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