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Questions and Answers
It is a signal (such as a loud noise or flashing light)
that warns or alerts also : a device that signals.
It is a signal (such as a loud noise or flashing light) that warns or alerts also : a device that signals.
- Concave Disk
- Bell
- Alarm (correct)
- The Electric Bell
It ls an alarm device that produces an audible signal tone when electric energy is applied.
It ls an alarm device that produces an audible signal tone when electric energy is applied.
- Concave Disk
- Bell
- Alarm
- The electric bell (correct)
This is a screw that serves as a contact switch to the contact spring.
This is a screw that serves as a contact switch to the contact spring.
- Concave Disk
- Adjustable Contact Point (correct)
- Alarm
- The Electric Bell
This is part from the gong and it produces a loud sound when struck by the hammer.
This is part from the gong and it produces a loud sound when struck by the hammer.
This is a magnetic wire wound on an insulated soft iron bolt. With the application of electric current, it
produces a strong magnetic attraction that attracts the armature
This is a magnetic wire wound on an insulated soft iron bolt. With the application of electric current, it produces a strong magnetic attraction that attracts the armature
• This is a small ball attached to the armature, which strikes the gong that produces audible sounds when electric current runs through the electromagnet.
• This is a small ball attached to the armature, which strikes the gong that produces audible sounds when electric current runs through the electromagnet.
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