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What is the advantage and disadvantage for using plc in traffic light signal?
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What is an inoperative traffic signal?
A signal light that is not working.
Other name of traffic signal?
Stop light is another name for a traffic signal.
On a traffic light which position is the green light?
On a vertical display traffic signal the green light is on the bottom. On a horizontal display traffic signal it is to the right, but may depend on that state (or municipality's) practice.
Car is to traffic light as train is to?
Railway signal
What does a traffic light with a flashing amber signal mean?
You must stop
What is the importance of Traffic signal light to reduce traffic congestion?
The light reduces the chance of an accident, causing the traffic congestion to go down the most during rush hour.
What is amper in traffic signals?
Amber in the traffic signal means caution. Generally, it is best to stop on an amber light.
On a traffic light what position is the green light?
The lowest light on a traffic signal is green. Some cities use traffic lights that are not arranges top to bottom but rather side to side. In this event the green light is usually the furthest to the right.
When you approach a traffic signal displaying a steady yellow light you must?
Prepare to stop
What does a traffic signal displaying a steady circular yellow light mean?
A traffic signal displaying a steady circular yellow light means that you should use caution when going through the intersection. You have the right away, but watch for other cars.
Who invented the signal light?
The traffic light as we know it today was invented by Garrett Augustus Morgan, the son of former slaves. Before that there was a gas lantern signal light in England, but that was before automobiles. There was a railroad light version later, but it wasn't like our modern version. If you didn't mean "traffic light" then i don't know.
Why is Red Light used in danger signal?
red light has a longer wavelength so it does not get scattered easily and can cover a long distance thus reaching a far observer in case of a traffic signal or as a danger signal.
