MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Mechatronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which type of proximity sensor can detect a magnetic substance even if a wall of non-ferrous substance is made? |
| A. | Magnetic proximity sensor |
| B. | Capacitive proximity sensor |
| C. | Ultrasonic proximity sensor |
| D. | Photoelectric proximity sensor |
| Answer» B. Capacitive proximity sensor | |
| 2. |
Which type of proximity sensor can be used as touch sensor? |
| A. | Inductive proximity sensor |
| B. | Capacitive proximity sensor |
| C. | Ultrasonic proximity sensor |
| D. | Photoelectric proximity sensor |
| Answer» B. Capacitive proximity sensor | |
| 3. |
A proximity sensor does not work if the temperature exceeds 100 degree Celsius. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A capacitive proximity sensor can detect only metallic object. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which is the emf (electromotive force) induced in a coil if it has 10 turns and rate of change of flux with respect to time is 1? |
| A. | -10 V |
| B. | -25 V |
| C. | 5.5 V |
| D. | -3 V |
| Answer» B. -25 V | |
| 6. |
Which is an example of infrared proximity sensor? |
| A. | GP2Y0A41SK0F |
| B. | CMCP793V-500 |
| C. | SLB700A/06VA |
| D. | BMP180 |
| Answer» B. CMCP793V-500 | |
| 7. |
Inductive sensors are also referred as NMR coils. What does NMR stand for? |
| A. | Nuclei Magneto resonance |
| B. | Nuclei Magnetic resonator |
| C. | Nuclear Magnetic resonator |
| D. | Nuclear Magnetic resonance |
| Answer» E. | |
| 8. |
Which is has the number of turns in a coil if the emf (electromotive force) induced in it is -2.5V and rate of change of flux with respect to time is 0.5? |
| A. | -1.5 V |
| B. | -2.5 V |
| C. | 5.5 V |
| D. | -3 V |
| Answer» C. 5.5 V | |
| 9. |
An inductive proximity sensor cannot detect a metallic object if it is wet or dirty. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
A proximity sensor requires physical contact. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Which metal will have a larger range of detection by inductive proximity sensor? |
| A. | Iron |
| B. | Aluminium |
| C. | Copper |
| D. | Lead |
| Answer» B. Aluminium | |
| 12. |
Which is the emf(electromotive force) induced in a coil if it has 8 turns and rate of change of flux with respect to time is 0.5? |
| A. | -10 V |
| B. | -25 V |
| C. | 5.5 V |
| D. | -4 V |
| Answer» E. | |
| 13. |
Will an infrared proximity sensor detect a black object when it comes in suitable range? |
| A. | Yes, It will detect the object |
| B. | No, It will not detect the object |
| C. | Yes but it will produce random output |
| D. | The sensor will stop working |
| Answer» C. Yes but it will produce random output | |
| 14. |
Which type of material can be sensed by inductive proximity sensor? |
| A. | Wooden type |
| B. | Metallic type |
| C. | Plastic type |
| D. | Glass type |
| Answer» C. Plastic type | |