MCQOPTIONS
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MCQOPTIONS
This section includes 62 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
In AMR the resistance produced by scattering is_ _ _ _ __ when the magnetization direction is perpendicular to the current direction |
| A. | Zero |
| B. | Minimum |
| C. | Maximum |
| D. | infinite |
| Answer» C. Maximum | |
| 52. |
In a measuring system quantity under measurement is termed as ________________ |
| A. | Measurand |
| B. | Controllers |
| C. | Sensors |
| D. | Indicators |
| Answer» B. Controllers | |
| 53. |
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» C. 21,200 Km | |
| 54. |
A _ _ _ _ _ is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions |
| A. | Compass |
| B. | Gyroscope |
| C. | Accelerometer |
| D. | Inclinometer |
| Answer» B. Gyroscope | |
| 55. |
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» C. 22 hour | |
| 56. |
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» C. Lead batteries and Ni Cad Batteries | |
| 57. |
___________, relating the sensor performance after or during exposure to specified external conditions (e.g. pressure, temperature, vibration and radiation). |
| A. | Static characteristics |
| B. | Dynamic characteristics |
| C. | Environmental characteristics |
| D. | Reliability Characteristics |
| Answer» D. Reliability Characteristics | |
| 58. |
In which of the following optic fiber sensor the fiber is simply used to carry light to and from an external optical device where the sensing takes place? |
| A. | extrinsic fiber optic sensor |
| B. | energized fiber optic sensor |
| C. | all fibers are used to simply carry light to and from the external optical devices |
| D. | intrinsic fiber optic sensor |
| Answer» B. energized fiber optic sensor | |
| 59. |
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» D. Accelerometer | |
| 60. |
The Hall Effect sensor is not capable of measuring a current flow at a distance greater than _ _ _cm |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | 10 |
| Answer» E. | |
| 61. |
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» D. Temperature sensor | |
| 62. |
Sensors that use an additional energy source for their operation are called _ _ _ _ _ |
| A. | modulating sensors |
| B. | Interrogating sensors |
| C. | Direct sensors |
| D. | Both a) and b) |
| Answer» E. | |