Related Questions

The ratio of actual discharge to theoretical discharge through an orifice is equal to
A Cc.Cv
B Cc.Cd
C Cv.Cd
D $$\frac{{{{\text{C}}_{\text{d}}}}}{{{{\text{C}}_{\text{v}}}}}$$
The coefficient of discharge (Cd) of an orifice varies with ------- number.
A Mach
B Weber
C Froude
D Reynolds
With increase in the ratio of orifice diameter to pipe diameter, the fraction of the orifice pressure differential that is permanently lost
A Increases
B Decreases
C Remains unchanged
D Increases exponentially
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a
A Notch
B Weir
C Mouthpiece
D Nozzle
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
A Equal to
B One-fourth
C One-third
D One-half
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
A Plus
B Minus
C Divide
D None of these
The value of coefficient of discharge is __________ the value of coefficient of velocity.
A Less than
B Same as
C More than
D None of these
The theoretical value of coefficient of contraction of a sharp edged orifice is
A 0.611
B 0.85
C 0.98
D 1.00
The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.
A Decreases
B Increases
C Remain same
D None of these
An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.
A Less than twice
B More than twice
C Less than three times
D More than three times

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