MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the reactive power in a 23 Ω resistor. |
| A. | 45 VAR |
| B. | 10 VAR |
| C. | 245 VAR |
| D. | 0 VAR |
| Answer» E. | |
| 2. |
The slope of the V-I curve is 23.56°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line. |
| A. | .464 Ω |
| B. | .436 Ω |
| C. | .443 Ω |
| D. | .463 Ω |
| Answer» C. .443 Ω | |
| 3. |
The slope of the V-I curve is 270°. Calculate the value of resistance. |
| A. | 112 Ω |
| B. | 178 Ω |
| C. | infinite Ω |
| D. | 187 Ω |
| Answer» D. 187 Ω | |
| 4. |
Calculate the mass of the solid sphere having a moment of inertia 17 kgm2 and radius of 4 cm. |
| A. | 10624 kg |
| B. | 10625 kg |
| C. | 10628 kg |
| D. | 10626 kg |
| Answer» C. 10628 kg | |
| 5. |
Calculate the phase angle of the sinusoidal waveform z(t)=18cos(1546πt+1900π÷76). |
| A. | 25π÷39 |
| B. | 25π÷5 |
| C. | 25π÷1 |
| D. | π÷4 |
| Answer» D. π÷4 | |
| 6. |
Calculate the value of the angular acceleration of the motor using the given data: J = .01 kg-m2, load torque= 790 N-m, motor torque= 169 N-m. |
| A. | -62100 rad/s2 |
| B. | -62456 rad/s2 |
| C. | -34056 rad/s2 |
| D. | -44780 rad/s2 |
| Answer» B. -62456 rad/s2 | |