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Why a four level laser system is more efficient than three level system?
Achieving population inversion in a two-level atomis not very practical. Such a task would require a very strong pumping transition that would send any decaying atom back into its excited state. This would be similar to reversing the flow of water in a water fall. It can be done, but is very energy costly and inefficient. In a sense, the pumping transition would have to work against the lasing transition.
How is over pumping groundwater related to the formation of sinkholes?
The over pumping of ground water is leading to sinkholes because the suction is forcing the ground in. Also the loss of moisture in the ground of the pumping is keeping the ground from being stable.
How do you measure residential static water pressure?
Static pressure can be caalculated by simply measuring the height of the faucet from the highest fixture above this faucet and times the height by .434 for static pressure
Does water temperature affect how much the water bends with static electricity?
I don't know about "stick to," but if you turn on a tap so that just a thin stream of water is coming out you can actually bend it by bringing an object with a static charge near the stream.
In three words describe the shape of the water table around a pumping well?
cone chaped depression
What is the negative suction head of the pump?
it occurs when surface of water is below the level of pumping unit
Why is static electricity a problem when pumping gas?
Static electricity can create a very tiny spark that can burst the gas fume into flames.
What is the relationship between drawdown and the cone of depression associated with a pumping well?
Drawdown is the distance between the original water table and the water level in the well.
Can pump discharge head be negative?
When a pump is pumping water from a level that is below the pump it is called suction head. If the water to be pumped is at a level above the pump, it is positive head. The pump maybe pumping from the base of a tank to a higher level such as an elevated tank or it may be pulling water from a tank that is below the pump. The distance from the center of the pump to the top of the water level would be the foot of head. It takes 2.31 feet to make 1 P.S.I. So if it is 10 feet from the center line of the pump to the water level, you would have about 4.33 P.S.I. of head.
What is a balance dock?
A balance dock is a variety of floating dock which is kept level by pumping water out of, or letting it into, the compartments of side chambers.
Why toplevel class cannot be static?
A toplevel class certainly can be static. Static has nothing to do with the level of a class.
Is the pressure in a water main static?
No, it is not static
What is hydro test and hydro static?
hydro means water so hydro test means a water test. also hydro static means water static
What does a well pumping test give you?
water
How can i stop producing static?
Spray the static areas with water or hairspray.
What is static inner class?
An inner class declared as static is treated as if it were a normal top-level class.
How does industry use electricity?
If I had to say, it would probably be the pumping of water into the building.
