MCQOPTIONS
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MCQOPTIONS
This section includes 15 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 finger denotes the direction of force in fleming’s left hand rule? |
| A. | Middle finger |
| B. | First finger |
| C. | Thumb |
| D. | Little finger |
| Answer» D. Little finger | |
| 2. |
How many windings does a 2 phase bipolar stepper motor have? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 3. |
AC motors do not have brushes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which is an example of single H-bridge type motor driver? |
| A. | DRV8829 |
| B. | XMPA06B2131 |
| C. | L298N |
| D. | 792XDXM4L-24A |
| Answer» B. XMPA06B2131 | |
| 5. |
Which is an example of motor driver? |
| A. | KSD9700 |
| B. | XMPA06B2131 |
| C. | L298N |
| D. | 792XDXM4L-24A |
| Answer» D. 792XDXM4L-24A | |
| 6. |
Which finger denotes the direction of magnetic field in Fleming’s left hand rule? |
| A. | Middle finger |
| B. | First finger |
| C. | Thumb |
| D. | Little finger |
| Answer» C. Thumb | |
| 7. |
Who invented Induction motor? |
| A. | Nicola Tesla |
| B. | Vitaly Conrad |
| C. | Philip Vaughan |
| D. | Mark Henry |
| Answer» B. Vitaly Conrad | |
| 8. |
Which type of motor is not an encoder motor? |
| A. | Stepper motor |
| B. | Servo motor |
| C. | BO motor |
| D. | BLDC Drone motor |
| Answer» D. BLDC Drone motor | |
| 9. |
Which finger denotes the direction of current in Fleming’s left hand rule? |
| A. | Middle finger |
| B. | First finger |
| C. | Thumb |
| D. | Little finger |
| Answer» B. First finger | |
| 10. |
Speed control of an ac motor can be achieved by varying the input frequency. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Speed of an induction motor remains same even if we increase the rotor resistance. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
How many leads does a 2 phase bipolar stepper motor have? |
| A. | 1 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |
| 13. |
What is the full form of CPR with respect to motor movement? |
| A. | Clocks per rotation |
| B. | Counts per revolution |
| C. | Counts per rotation |
| D. | Clocks per revolution |
| Answer» C. Counts per rotation | |
| 14. |
What is the working principle of DC motor? |
| A. | Fleming’s right hand rule |
| B. | Fleming’s left hand rule |
| C. | Maxwell’s second law |
| D. | Maxwell’s third law |
| Answer» C. Maxwell’s second law | |
| 15. |
Who discovered the magnetic effect of electric current? |
| A. | Grueblerowen |
| B. | Joseph Henry |
| C. | Oersted |
| D. | Robert Abalakov |
| Answer» D. Robert Abalakov | |