McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Electrical Engineering .
Chapters
| 1. |
Sensors are used to detect the presence of any object without the need for any physical contact _ _ _ _ _ _ |
| A. | Motion sensor |
| B. | Heading sensor |
| C. | Proximity sensor |
| D. | Temperature sensor |
| Answer» C. Proximity sensor | |
| 2. |
Identify which type of material will have high resolution? |
| A. | Carbon composition |
| B. | Wirewound |
| C. | Conductive plastic |
| D. | Thermal composition |
| Answer» C. Conductive plastic | |
| 3. |
Identify which type sensor? |
| A. | Potentiometer |
| B. | Accelerometer |
| C. | LVDT |
| D. | RVDT |
| Answer» B. Accelerometer | |
| 4. |
_ _ _ _ _ Jockey /wiper materials used in potentiometric sensors |
| A. | Chromium |
| B. | Nickel |
| C. | Platinum |
| D. | Copper |
| Answer» C. Platinum | |
| 5. |
_ _ _ _ _ _ _ is a standard for short-range radio communications, originally developed as a cable replacement to connect portable devices |
| A. | Radio beacon |
| B. | Bluetooth |
| C. | GPS |
| D. | All the above |
| Answer» B. Bluetooth | |
| 6. |
GPS satellite orbiting the earth at an altitude of about _ _ _ _ _ above the surface of earth. |
| A. | 19,200 Km |
| B. | 20,200 Km |
| C. | 21,200 Km |
| D. | 22,200 Km |
| Answer» B. 20,200 Km | |
| 7. |
Ultrasonic rangers are_ _ _ _ _ _ _ _ _ |
| A. | Transmitter |
| B. | Receiver |
| C. | Transponder |
| D. | Emitter |
| Answer» C. Transponder | |
| 8. |
Identify which type sensor? |
| A. | Potentiometer |
| B. | LIDAR |
| C. | LVDT |
| D. | RVDT |
| Answer» C. LVDT | |
| 9. |
To perform the angle measurement a synchro pair is used and they are called as _ _ _ _ |
| A. | Transmitter |
| B. | Receiver |
| C. | Transmitter and control transformer |
| D. | None of the above |
| Answer» C. Transmitter and control transformer | |
| 10. |
LVDT is a _ _ _ _ _ |
| A. | Active transducer |
| B. | Passive transducer |
| C. | Both a) and b) |
| D. | None of the mentioned |
| Answer» B. Passive transducer | |
| 11. |
In space segments, the satellites are arranged in _ _ _ orbits with _ _ _satellites in each orbit. |
| A. | 2, 4 |
| B. | 4, 4 |
| C. | 6,4 |
| D. | 8,4 |
| Answer» C. 6,4 | |
| 12. |
Identify the picture and tell what type of sensor technology is used |
| A. | Radio beacon |
| B. | Bluetooth |
| C. | GPS |
| D. | All the above |
| Answer» B. Bluetooth | |
| 13. |
_ _ _ _ _ materials of the wire used in potentiometric sensors |
| A. | Gold |
| B. | Silver |
| C. | Platinum |
| D. | Copper |
| Answer» D. Copper | |
| 14. |
Synchro is a rotating device that operates on the same principle as a _ _ _ _ _ _ and produces a set of voltages, correlated to angular position. |
| A. | Transformer principle |
| B. | Faradays principle |
| C. | Lens law |
| D. | Tesla principle |
| Answer» A. Transformer principle | |
| 15. |
What is the principle of operation of LVDT? |
| A. | Mutual inductance |
| B. | Self-inductance |
| C. | Permanence |
| D. | Reluctance |
| Answer» A. Mutual inductance | |
| 16. |
In GPS, Control segment consists of a master control station and _ _ _ _ other monitor stations. |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» B. 4 | |
| 17. |
Potentiometer is a _ _ _ _ _ |
| A. | Active transducer |
| B. | Passive transducer |
| C. | Both a) and b) |
| D. | None of the mentioned |
| Answer» B. Passive transducer | |
| 18. |
_ _ _ _ _ is an analog position sensor that is absolute over a single turn. |
| A. | Synchros |
| B. | Resolver |
| C. | LVDT |
| D. | Microsyn |
| Answer» B. Resolver | |
| 19. |
Each satellite takes _ _ _ _ _in completing one full orbit and repeats the same ground track each day. |
| A. | 2 hour |
| B. | 12 hour |
| C. | 22 hour |
| D. | 24 hour |
| Answer» B. 12 hour | |
| 20. |
Bluetooth Network consists of a Personal Area Network which contains a minimum of ___to maximum of ___ Bluetooth peer devices. |
| A. | 2 ,4 |
| B. | 2,6 |
| C. | 2,8 |
| D. | 2,10 |
| Answer» C. 2,8 | |
| 21. |
LiDAR stands for _ _ _ _ _ _ _ _ |
| A. | Light detection and Resonance |
| B. | Light detection and Ranging |
| C. | LED detection and Ranging |
| D. | Line distance and Ranging |
| Answer» B. Light detection and Ranging | |
| 22. |
In optical encoder, the inner track has just one hole which is used locate the ‘_ _ _ _of the disc. |
| A. | Anti Clockwise direction of the rotation |
| B. | Home position |
| C. | Clockwise direction of the rotation |
| D. | Both a) and c) |
| Answer» B. Home position | |
| 23. |
The GPS satellite comprises of sun seeking _ _ _ _ having _ _ _ _ providing secondary power. |
| A. | Solar panels and Wind energy |
| B. | Solar panels and Ni Cad batteries |
| C. | Lead batteries and Ni Cad Batteries |
| D. | Solar panels and Lead batteries |
| Answer» B. Solar panels and Ni Cad batteries | |
| 24. |
Forklift uses _ _ _ _ _ _ sensor |
| A. | Potentiometer |
| B. | Encoder |
| C. | Synchros |
| D. | Resolver |
| Answer» A. Potentiometer | |
| 25. |
An _ _ _ _ _ _ is an electromechanical device used to measure acceleration forces such as static or dynamic |
| A. | Synchros |
| B. | Resolver |
| C. | LVDT |
| D. | Microsyn |
| Answer» B. Resolver | |
| 26. |
How many satellites are used to gather the exact location using GPS? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 27. |
_ _ _ _ _used where rotational or angular displacements are to be measured |
| A. | LVDT |
| B. | RVDT |
| C. | Hall effect |
| D. | Load cell |
| Answer» B. RVDT | |
| 28. |
Applications of Lidar _ _ _ _ _ |
| A. | Ocenography |
| B. | Agriculture |
| C. | Terrain model |
| D. | All the above |
| Answer» D. All the above | |
| 29. |
The required and nominal range of Bluetooth device is _ _ _ __ |
| A. | 10 |
| B. | 14 |
| C. | 20 |
| D. | 24 |
| Answer» A. 10 | |
| 30. |
_ _ _ _ _ sensors are not affected by ambient conditions, such as dust, humidity, and vibrations and are insensitive to some ambient conditions based on the principle that these sensors display a constant flow of electrical current, making their characteristics constant over time. |
| A. | LVDT |
| B. | RVDT |
| C. | Hall effect |
| D. | Load cell |
| Answer» C. Hall effect | |
| 31. |
The space segment consists of_ _ _ _ _ satellites nominally orbiting the earth in MEO (Medium Earth Orbit). |
| A. | 10 |
| B. | 14 |
| C. | 20 |
| D. | 24 |
| Answer» D. 24 | |
| 32. |
Optical encoders are used to measure _ _ _ _ _ |
| A. | Angular positions |
| B. | Linear positions |
| C. | Both angular and linear positions |
| D. | None of the above |
| Answer» C. Both angular and linear positions | |
| 33. |
The __ ____ ____ is a space-based satellite navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth |
| A. | Radio beacon |
| B. | Gyroscope |
| C. | GPS |
| D. | Accelerometer |
| Answer» C. GPS | |
| 34. |
_ _ _ _ _ _elements offer excellent temperature stability and high power dissipation abilities. |
| A. | Wire wound |
| B. | Conductive plastic |
| C. | Hybrid |
| D. | None of the above |
| Answer» A. Wire wound | |
| 35. |
The output voltage is measured which is proportional to the distance travelled by the _ _ _ _ _ |
| A. | Wiper/Jockey |
| B. | Conductive plastic |
| C. | Hybrid |
| D. | None of the above |
| Answer» A. Wiper/Jockey | |
| 36. |
By using Rotating Polygon as scanner in Lidar what type of ground pattern it will form ______ |
| A. | Z shaped |
| B. | Sinusoidal |
| C. | Parallel |
| D. | Elliptical |
| Answer» C. Parallel | |
| 37. |
The distance sensing method of radio beacon range from _ _ _ _ _ |
| A. | 1M to 100 M |
| B. | 2 M to 200 M |
| C. | 2Cm to 200 Cm |
| D. | 1Cm to 100 Cm |
| Answer» A. 1M to 100 M | |
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