A short tube of length not more than two to three times its diameter is fitted to a circular opening of same diameter provided in a tank is called as mouthpiece.

It is used for measuring the rate of flow of fluid.

(a)    Based on shape:

(i)    Cylindrical
(ii)    Convergent
(iii)    Divergent
(iv)    Convergent-divergent

(b)    Based on potion:

(i)    External mouthpiece
(ii)    Internal mouthpiece

(c)    Based on discharge condition:

(i)    Running full mouthpiece
(ii)    Running free mouthpiece.

For more help in Mouthpieces click the button below to submit your homework assignment