Characteristic Parameters MCQ’s

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

1. What is the absolute error of an observation taken by an ultrasonic sensor which predicts the distance of an object to be 5.1 cm but the actual value is 5 cm?
a) 1.02
b) 0.1
c) 0.01
d) 1

2. What is the relative error of an observation taken by an ultrasonic sensor which predicts the distance of an object to be 3.1 cm but the actual value is 3 cm?
a) 1.03
b) 0.1
c) 0.033
d) 1

3. What is the nature of resistance to light intensity graph of an LDR (Light dependent resistor)?
a) Increasing
b) Decreasing
c) Parabolic
d) Constant

4. What is the sensitivity of a sensor if the difference between two alternative output observations is 0.6 and difference between two alternative input observations is 0.2?
a) 3
b) 0.6
c) 0.2
d) 2

5. The intensity of light is inversely proportional to the resistance of a photo resistor.
a) True
b) False

6. The resistance of a thermistor is directly proportional to its temperature.
a) True
b) False

7. What is the nature of resistance to light intensity graph of aB57211P0100M301 thyristor?
a) Increasing
b) Decreasing
c) Parabolic
d) Constant

8. Transformer is a type of transducer.
a) True
b) False

9. What is the sensitivity of a sensor if the difference between two alternative output observations is 0.4 and difference between two alternative input observations is 0.2?
a) 0.4
b) 0.6
c) 0.2
d) 2

10. All sensors are transducers.
a) True
b) False

11. What is the relative error of an observation taken by an ultrasonic sensor which predicts the distance of an object to be 2.3 cm but the actual value is 2.1cm?
a) 1.03
b) 0.2
c) 0.0869
d) 1

12. What is the relative error of an observation taken by an infrared sensor which predicts the distance of an object to be 4cm but the actual value is 3.8cm?
a) 1.03
b) 0.0526
c) 0.033
d) 1

13. What is the nature of resistance to temperature graph of a thermistor?
a) Increasing
b) Decreasing
c) Increases and then decreases
d) Constant

14. What is the absolute error of an observation taken by an Infrared sensor which predicts the distance of an object to be 3.2 cm but the actual value is 2.9cm?
a) 1.1
b) 0.3
c) 0.03
d) 1

15. What is the nature of resistance to light intensity graph of a Photo resistor?
a) Increasing
b) Decreasing
c) Parabolic
d) Constant

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