MODULATION DEMODULATION TRANSMITTER ELECTRICAL - Practice Mode

1) Which sensor detect the presence of objects without any physical contact?

LVDT Load cell Strain gauge Proximity sensor

Correct Answer: Proximity sensor

2) Which device is used to convert force into electrical signal?

Load cell Thermistor Thermocouple Photoelectric sensor

Correct Answer: Load cell

3) Which sensor is suitable for process temperature measurement of steel?

Thermistor Strain gauge Thermocouple Capacitive transducer

Correct Answer: Thermocouple

4) Which working principle is used in the proximity sensor?

High voltage source Low temperature source Low frequency signal Electromagnetic field

Correct Answer: Electromagnetic field

5) Which type of relay is used in voltage stabilizer?

Latching relay Under current relay Current sensing relay Voltage sensing relay

Correct Answer: Voltage sensing relay

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