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What sound signal tells a river lock attendant that you wish to through the lock?
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∙ 6y ago
A boat operator is involved in an accident in which a person is injured and requires hospitalization. How quickly must the operator file a boating accident report?
Aracely Wolff
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What sound signal tells a river lock attendant you wish to go through the lock?
One prolonged blast followed by one short blast.
What sound signal tells a river lock attendant that you wish to go through the lock?
A boat operator is involved in an accident in which a person is injured and requires hospitalization. How quickly must the operator file a boating accident report?
What sound tells a river rock attendant you wish to go through the lock?
What happens is that a ship calls the lock attendant on a VHF radio channel. This lets them know. What channel, I'm not sure, but that could easily be looked up.
What river runs through Greenville NC and empties into Pamlico Sound?
What river empties into the Pamlico Sound? The Tar and Neuse rivers empty into the Pamlico Sound
What are the disadvantage of ultrasonic wave communicaton?
Communication is at speed of sound. Signal attenuation. Noise of signal travelling through air.
A device that transforms sound into an electronic signal that is transmitted through wires or optical fibers is a?
telephone
A device that converts sound waves into an electronic signal that is transmitted through wires is a?
It is a microphone or a telephone.
What sound signal tells the river lock attended that you wish to go through the lock?
A boat operator is involved in an accident in which a person is injured and requires hospitalization. How quickly must the operator file a boating accident report?
How does the microphones work?
The microphone accepts the our sound signal and input it to the computer. the sound is transfered through communication media.in this way the microphone works.
Is audio signal an electromagnetic signal?
Because Audio waves move as sound waves through air as condensations and rarefactions or slight compressions and partial vacuums of gas molecules and can be stopped by the walls of a house.
How do sound waves move through a vacuum?
They can do this only indirectly by being carried over a radio signal.
What has to happen to sound wave before they can be transmitted by radiowaves?
The sound signal must firstly be changed into an electrical signal.
