MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the power developed by motor using the given data: Eb = 20V and I = 10 A. (Assume rotational losses are neglected) |
| A. | 400 W |
| B. | 200 W |
| C. | 300 W |
| D. | 500 W |
| Answer» C. 300 W | |
| 2. |
230V, 10A, 1500rpm DC separately excited motor having resistance of .2 ohm excited from external dc voltage source of 50V. Calculate the torque developed by the motor on full load. |
| A. | 13.89 N-m |
| B. | 14.52 N-m |
| C. | 13.37 N-m |
| D. | 14.42 N-m |
| Answer» C. 13.37 N-m | |
| 3. |
Calculate the value of angular acceleration of motor using the given data: J = 20 kg-m2, load torque = 20 N-m, motor torque = 60 N-m. |
| A. | 5 rad/s<sup>2</sup> |
| B. | 2 rad/s<sup>2</sup> |
| C. | 3 rad/s<sup>2</sup> |
| D. | 4 rad/s<sup>2</sup> |
| Answer» C. 3 rad/s<sup>2</sup> | |