SnT_Module-1_06/07/2020

Change in output of sensor with change in input is ____________

• Threshold

• Slew rate

• Sensitivity

• None of the above

Potentiometer transducers are used for the measurement of

• Pressure

• Displacement

• Humidity

• Both (a) and (b)

Strain gauge is a

• Active device and converts mechanical displacement into a change of resistance

• Passive device and converts electrical displacement into a change of resistance

• Passive device and converts mechanical displacement into a change of resistance

• Active device and converts electrical displacement into a change of resistance

If at one end, the two wires made of different metals are joined together then a voltage will get produced between the two wires due to difference of temp between the two ends of wires. This effect is observed in

• Thermocouples

• Thermistors

• RTD

• Ultrasonics

The ability to give same output reading when same input value is applied repeatedly is known as

• Stability

• Repeatability

• Accuracy

• Sensitivity

Inductive proximity sensors can be effective only when the objects are of _____ materials.

• Ferro magnetic

• Diamagnetic

• Paramagnetic

• All of the above

Following is not an example of transducer.

• Analog voltmeter

• Thermocouple

• Photo electric cell

• Pneumatic cylinder

The following is not a static performance parameter to be looked into before selecting a parameter.

• Range

• Deflection

• Stability

• Error

Which of the following statements is correct?

• Actuators and transducers are both examples of sensors.

• Sensors and transducers are both examples of actuators.

• Sensors and actuators are both examples of transducers.

• None of the above

What term describes the maximum expected error associated with a measurement or a sensor?

• Precision.

• Accuracy.

• Range.

• Resolution.