Accelaration Sensors MCQ’s

Electronics & Communication Engineering Mechatronics

This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on “Accelaration Sensors”.

1. Which is the name of the accelerometer that is used to measure the gravity of the earth?
a) MPU6050
b) Gravitymeter
c) Gravitometer
d) Gravimeter

2. What is the exact value of acceleration due to gravity taken in consideration?
a) 10 m/s2
b) 9.80665 m/s2
c) 9 m/s2
d) 0 m/s2

3. What will be the value measured by an accelerometer in free fall?
a) Zero
b) Infinite
c) Error
d) 9.81

4. Which element is mostly used in the capacitive accelerometers for sensing?
a) Germanium
b) Silicon
c) Lead
d) Carbon

5. Accelerometers can be used for sensing mechanical vibrations.
a) True
b) False

6. MPU6050 in an example of which type of sensor?
a) Acceleration sensor
b) Proximity Sensor
c) Ultrasonic sensor
d) Laser sensor

7. MEMS stands for ________
a) Micro electric mechanical system
b) Micro electro mechanical system
c) Mini electro mechanical system
d) Mini electronic mechanical system

8. Acceleration is a ______ quantity.
a) scalar
b) vector
c) tensor
d) resistive

9. Piezoelectric accelerometers converts ________ energy to ______energy.
a) mechanical, sound
b) mechanical, electrical
c) sound, electrical
d) sound, electrical

10. A free falling heavy object will have more acceleration than a free falling light object if released from a same height. (Ignore air resistance)
a) True
b) False

11. Which is an example of accelerometer?
a) OptoNCDT ILR 1030
b) OptoNCDT 1420
c) ADXl 335
d) EddyNCDT 3301

12. What was the original name of first accelerometer?
a) Eskimometer
b) Atwood machine
c) Asimo machine
d) Pepper

13. Who invented the first accelerometer?
a) Grueblerowen
b) Joseph Henry
c) George Atwood
d) Walther Bothe

14. AC (Alternating Current) response accelerometer cannot measure constant or static acceleration.
a) True
b) False

15. DC (Direct Current) response accelerometer cannot measure dynamic acceleration.
a) True
b) False

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