This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Sensor Systems”.
1. Which of the following is correct for tactile sensors?
a) Touch sensitive
b) Pressure sensitive
c) Input voltage sensitive
d) Humidity sensitive
View Answer
Explanation: Tactile sensors are those which sensitive to touch.
2. Change in output of sensor with change in input is ____________
a) Threashold
b) Slew rate
c) Sensitivity
d) None of the mentioned
View Answer
Explanation: Sensitivity of a sensor is the change in output for a change in input.
3. Which of the following can be cause for non-zero output when zero input?
a) Bias
b) Slew
c) Offset
d) Offset or bias
View Answer
Explanation: For ideal condition, zero input produces zero output.
4. Sensitivity of a sensor can be depicted by _______________
a) Niquist plot
b) Pole- zero plot
c) Bode plot
d) None of the mentioned
View Answer
Explanation: Bode plot can be used for describing the sensitivity of a sensor.
5. Which of the following error is caused by a reversal of measured property?
a) Hysterisis
b) Noise
c) Digitization error
d) Quantization error
View Answer
Explanation: Digitization error is caused by a reversal of measured value.
6. Smallest change which a sensor can detect is ____________
a) Resolution
b) Accuracy
c) Precision
d) Scale
View Answer
Explanation: Resolution is the smallest change a sensor can detect.
7. Thermocouple generate output voltage according to ____________
a) Circuit parameters
b) Humidity
c) Temperature
d) Voltage
View Answer
Explanation: Thermocouple is a device which is capable of producing output voltage according to input temperature.
8. Sensor is a type of transducer.
a) True
b) False
View Answer
Explanation: Sensor is a device which enables measurement of input value.
9. Which of the following is not an analog sensor?
a) Potentiometer
b) Force-sensing resistors
c) Accelerometers
d) None of the mentioned
View Answer
Explanation: All of the mentioned devices are analog sensors.
10. Measured property have no relation with error.
a) True
b) False
View Answer
Explanation: Error of a system is independent of the measured value.
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