ECE1005_Sensor

Type of sensor used to detect both metallic and non-metallic objects?

A) Capacitive sensor

B) Inductive sensor

C) Thermocouple sensor

D) pH Sensor

Type of sensor used in hazardous regions?

A) Capacitive sensor

B) Pressure sensors

C) Namur sensor

D) Color sensors

A Thermopile is made from which type of sensor?

A) Thermistor

B) RTD

C) Thermocouple

E) Any of the above and of any type in combination

A Type-T thermocouple is formed using which combination of metals?

A PN junction can become a temperature sensor. What do you need to supply to the junction?

A) Constant voltage

B) Constant current

C) AC current at line frequency

D) Constant power where voltage and current can be any combination to achieve that power level

E) None of the above

Which type of temperature sensor is often used in extreme conditions such as cryogenic temperatures?

Acoustic

Thermocouple

Thermistor

Piezoelectri

Which is the most commonly used displacement sensor?

Resistance potentiometer

LVDT

Variable inductance transducer

Piezoelectric transducer

Which type of material is not used to make the potentiometer position sensor?

Wound wire

Paper film

Carbon Film

Plastic film

Hall Effect transducer can be used to measure___________

Magnetic field

Angular displacement

Linear displacement

All of the mentioned

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