MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following is correct formula for braking torque in plugging? |
| A. | n (ka<sup>2</sup>/R<sub>b</sub>) |
| B. | n<sup>2</sup> (ka<sup>2</sup>/Rb) |
| C. | n<sup>-1</sup> (ka<sup>2</sup>/Rb) |
| D. | (ka<sup>2</sup>/Rb) |
| Answer» B. n<sup>2</sup> (ka<sup>2</sup>/Rb) | |