Sensors Quiz

1. Multiple Choice Which of the following sensors is used for measuring temperature?

• Strain gauge

• Thermocouple

• Photodetector

• Accelerometer

Which of the following is an example of an active transducer?

• Strain gauge

• LVDT

• Thermistor

• None of the above

What type of transducer is used to convert linear motion into electrical signals?

• Potentiometer

• Thermocouple

• LVDT (Linear Variable Differential Transformer)

• Both LVDT and Potentiometer

True or False ? write F or T in response, Sensors convert the physical quantities in to electrical signals

Photodiode is a Active Sensor . True or False? Write F or T in response

The positive Temperature Coefficient is the one whose resistance varies inversely with the temperature. False or True

Example of force sensors

• Potentiometer

• strain guage

• inductive sensors

• proximity sensors

Which of the following statement is true

• the Bernoulli's principle state that the flow increases with pressure

• When soundwave hit the diaphragm it moves back and forth

• the magnetic flux remains constant when magnet is gets closer to the gear.

• None of the abpve