MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
In single-phase, RLE load, calculate the Peak inverse voltage using the data: (Vs)r.m.s = 9 V, f = 50 Hz, E = 40 V. |
| A. | 52.2 V |
| B. | 52.7 V |
| C. | 59.7 V |
| D. | 52.9 V |
| Answer» C. 59.7 V | |
| 2. |
Calculate the PIV for the Full-wave bridge rectifier if the peak value of the supply voltage is 50. |
| A. | 72.5 V |
| B. | 72.8 V |
| C. | 70.7 V |
| D. | 76.1 V |
| Answer» D. 76.1 V | |
| 3. |
Calculate the maximum frequency for ASCI using the data: R=1 k , C=1 F. |
| A. | 250 Hz |
| B. | 280 Hz |
| C. | 300 Hz |
| D. | 320 Hz |
| Answer» B. 280 Hz | |
| 4. |
Load interrupter operated at ________ |
| A. | No-load |
| B. | Full load |
| C. | Half of the full load |
| D. | One-fourth of the full load |
| Answer» C. Half of the full load | |
| 5. |
Reactance relay is used in _______ |
| A. | Medium line |
| B. | Short transmission line |
| C. | Lossless line |
| D. | Long transmission line |
| Answer» C. Lossless line | |
| 6. |
Calculate the value of the fault impedance if the fault voltage is 2 V and fault current is 4 A. |
| A. | .5 ohm |
| B. | .2 ohm |
| C. | .4 ohm |
| D. | .6 ohm |
| Answer» B. .2 ohm | |
| 7. |
Inter turn fault can be detected by using __________ |
| A. | Oil circuit breaker |
| B. | Split phase relay |
| C. | SF<sub>6</sub> circuit breaker |
| D. | Vertical breaker |
| Answer» C. SF<sub>6</sub> circuit breaker | |
| 8. |
Full form of LED is _____________ |
| A. | Light Emitting Diode |
| B. | Light Emission Digital |
| C. | Light Energy Diode |
| D. | Light Energy Digital |
| Answer» B. Light Emission Digital | |
| 9. |
Mho relay is used in the medium transmission line. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Relay is an electromechanical switch. |
| A. | True |
| B. | False |
| Answer» B. False | |