MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Arduino knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The ADXL-335 Accelerometer sensor module uses capacitive technology to detect changes. The Equation governing that function is given by C=f(A/d). What is the meaning of A in the equation? |
| A. | Area |
| B. | Air |
| C. | Antenna |
| D. | Acceleration |
| Answer» B. Air | |
| 2. |
What kind of sensor is the ADXL-335 Accelerometer Module? |
| A. | Passive |
| B. | Active |
| C. | Radio |
| D. | Pressure based |
| Answer» C. Radio | |
| 3. |
Can you measure the acceleration of a train, if the train is moving at a constant velocity and the sensor is located on the train? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 4. |
Which of the formulae give us the angle of inclination in the ADXL-335? |
| A. | theta=atan(X_Value/sqrt((Y_Value*Y_Value)+(Z_Value*Z_Value))) |
| B. | theta=atan(X_Value/sqrt((Y_Value*Y_Value)*(Z_Value*Z_Value))) |
| C. | theta=atan(X_Value/sqrt((Y_Value)+(Z_Value*Z_Value))) |
| D. | theta=atan(X_Value/sqrt((Y_Value*Y_Value)+(Z_Value))) |
| Answer» B. theta=atan(X_Value/sqrt((Y_Value*Y_Value)*(Z_Value*Z_Value))) | |
| 5. |
Which of the formulae give us the value of acceleration for the x-axis in the ADXL-335? |
| A. | Axout = (((Value * Vref) / 1024) 1.65) / 0.330 |
| B. | Axout = (((Value * Vref) / 1024) 1.65) / 2000 |
| C. | Axout = (((Value * Vref) / 1024) 1.65) / 330 |
| D. | Axout = (((Value * Vref) / 1024) 1.65) / 0.12 |
| Answer» B. Axout = (((Value * Vref) / 1024) 1.65) / 2000 | |
| 6. |
What will happen if we supply a voltage of 25V to the Vcc of the ADXL-335 sensor? |
| A. | Damage is caused |
| B. | Sensor will work fine |
| C. | Sensor will not respond for the time the voltage is applied |
| D. | Sensor will function normally |
| Answer» B. Sensor will work fine | |
| 7. |
What mode should the 3 axis pins of the ADXL-335 be read in, in an Arduino in order to obtain meaningful values? |
| A. | Analog |
| B. | Digital |
| C. | PCM |
| D. | TDM |
| Answer» B. Digital | |
| 8. |
How many pins are present in the ADXL-335? |
| A. | 1 |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| Answer» E. | |
| 9. |
What is the use of the ADXL-335 sensor? |
| A. | To measure acceleration |
| B. | To measure heat |
| C. | To measure temperature |
| D. | To measure GPS Location |
| Answer» B. To measure heat | |