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The Egyptians call there reed paper, Papyrus.

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12y ago

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Which part of accordion vibrates to produce sound?

The reed vibrates to produce sound in an accordion. The reed is a thin strip of metal or plastic that is fastened at one end and free to vibrate at the other. When air passes over the reed, it causes it to vibrate and produce the sound characteristic of the accordion.


How does a vibrating reed frequency meter works?

A vibrating reed frequency meter operates by using a reed that vibrates at the frequency of the input signal being measured. The length and mass of the reed are designed to resonate at specific frequencies, causing the reed to vibrate when the input signal matches its resonant frequency. The vibrating reed then generates an electrical signal that can be measured and displayed as the frequency of the input signal.


How electromagnet works on reed switch?

When an electromagnet is turned on, it generates a magnetic field that attracts the metal reed in the reed switch, causing the switch contacts to close. When the electromagnet is turned off, the magnetic field disappears and the contacts open again. This allows the reed switch to act as a sensor or control device in various applications.


How would you prove a bad suction reed in a compressor?

To prove a bad suction reed in a compressor, you would need to do a pressure test. You can isolate the compressor and check for pressure drop in the suction line. A significant pressure drop would indicate a faulty suction reed. Additionally, you can inspect the reed valve for visible signs of damage or wear.


What does a reed relay do in a circuit?

A reed relay is a type of relay that uses a reed switch enclosed in a glass tube for switching. It works by using a magnetic field to control the switching operation, allowing for high-speed and low-current switching in electrical circuits. Reed relays are commonly used in applications requiring compact size and low power consumption.