Engine_2014 : Electricity - 1445/2299
|
|---|
| « Previous Question |
| What is a common technology for an electro tachometer for measuring motor speed as used for variable speed drives? |
| A) small permanent magnet generator |
| B) centrifugal force indicator |
| C) vibrating reed frequency indicator |
| D) shaft torque indicator |
loading answer...
| Comments |
|---|
| There are no comments for this question. |