# A garden hose with an internal diameter of 1.9 is connected to a (statoinary) lawn sprinkler that consists merely of an inclosure with 24 holes each 0.13 cm in diameter. If water in a hose has a speed of 0.91 m/s at wat speed does it leav the sprinkler holes

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Let us consider the velocity of sprinkler is V2 rate of mass flow will same at a time so incoming mass flow = outgoing mass flow so from the principle of continuity A1 V1 = A2V2 since sprinkler is is N = 24 then A1V1 = NA2V2pi* (D1 / 2)^2 *V1= pi*(D2/2)^2*V2V2 = D1^2*V1 / ND^2V2 = (1.9x10^-2)^2 *0.91 / 24*(0.13x10^-2)^2V2 = 8.1 m/s^2

Posted on May 14, 2014

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Posted on Jan 02, 2017

did you pull out the button cut off switch on the bottom of the sprinkler?

Posted on Jun 23, 2009

Hi,

Here is a tip about how to get parts for your traveling lawn sprinkler and also a great article about how traveling lawn sprinklers work.

Traveling Lawn Sprinklers

heatman101

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Posted on May 19, 2011

SOURCE: I have a TORO ECx

1. Make sure that there are no other valves on the piping. There may be a backflow preventer outside with valves on it that may have been closed.
2. Do you have a rain sensor? Has it rained in your area in the past two days?
3. Try to run different zones. I can't find the ECX controller so I can't help you.
If you have 7 zones, try running zone 6 or 7.

Gary

Posted on Jun 22, 2011

try turning the nozzles the other way - they should turn counter clockwise when looking from the top, not clockwise.

Posted on Aug 18, 2011

SOURCE: orbit traveling won't move

I just had the same thing happen to me. You have to turn the arms counter clockwise...opposite of the tightening bolts, and have them pointing in opposite directions to get it to turn. If the unit moves backwards, turn them another 180deg to the opposite directions, and it should go forward.

Posted on Jul 29, 2012

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Here is a tip about how to get parts for your traveling lawn sprinkler and also a great article about how traveling lawn sprinklers work.

Traveling Lawn Sprinklers

heatman101

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