Related Questions

In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.
A Less than
B More than
C Equal to
D None of these
The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)
A $$2{\text{gH}}$$
B $${\text{H}}\sqrt {2{\text{g}}} $$
C $$2{\text{g}}\sqrt {\text{H}} $$
D $$\sqrt {2{\text{gH}}} $$
In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be
A Running full
B Running free
C Partially running full
D Partially running free
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
An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.
A Free
B Partially
C Full
D None of these
The actual velocity at vena-contracta for flow through an orifice from a reservoir is given by
A $${{\text{C}}_{\text{v}}} \cdot \sqrt {2{\text{gH}}} $$
B $${{\text{C}}_{\text{c}}} \cdot \sqrt {2{\text{gH}}} $$
C $${{\text{C}}_{\text{d}}} \cdot \sqrt {2{\text{gH}}} $$
D $${{\text{C}}_{\text{v}}} \cdot {{\text{V}}_{\text{a}}}$$
Vena-contracta pressure tapping is at a distance __________ from the position of an orificemeter fitted in a pipe of internal diameter 'd'
A d
B 0.5d
C 2d
D 4d
Two outlets of a motor manufacturing company reported that revenue from outlet x in 2013 was down 11 percent from 2012. and revenue from outlet Y in 2013 were up 7 percent from 2012. If total revenue from outlet X & Y in 2013 was up 1 percent from 2012, what is the ratio of revenue from outlet X in 2012 revenue from outlet Y in 2012?
A 1 : 2
B 4: 5
C 1 : 1
D 3: 2
The coefficient of discharge in case of internal mouthpiece is __________ that of external mouthpiece.
A Less than
B More than
C Equal to
D None of these
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.
A Equal to
B One-half
C Three fourth
D Double

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