What is gross head?

Q.  Gross head is the difference between __________.
- Published on 16 Sep 15

a. head race and tail race
b. head race and net head
c. head race and friction losses
d. net head and friction losses

ANSWER: head race and tail race

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    Discussion

  • newton   -Posted on 27 Apr 17
    wat about a penstock DEFN
  • Pankaj   -Posted on 07 Oct 15
    A dam is constructed across a river to store water. Its potential energy is utilized to rotate the turbine which is connected to dam through penstock.

    The top surface of water in the dam is called as head race and the level of water canal into which water is discharged from turbine is called as tail race.

    Difference between the head race and the tail race is called as gross head. Gross head includes net head available at turbien and frictional losses in penstock.

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