Ratio of actual mass flow rate to ideal mass flow rate

Q.  The ratio of actual mass flow rate (ṁa) to ideal mass flow rate (ṁi) is called as________
- Published on 16 Sep 15

a. nozzle coefficient
b. coefficient of nozzle friction
c. coefficient of discharge
d. coefficient of mass

ANSWER: coefficient of discharge

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    Discussion

  • Pankaj   -Posted on 13 Oct 15
    Coefficient of discharge (Cd) can be defined as the ratio of actual mass flow rate (ṁa) to ideal mass flow rate (ṁi)

    Cd = (ṁa) / (ṁi)

    The coefficient of discharge is useful for determining the losses which are not recoverable associated with a certain equipment in a fluid system.

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