MODULATION DEMODULATION TRANSMITTER ELECTRICAL - Quiz

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

LVDT Load cell Strain gauge Proximity sensor

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

Load cell Thermistor Thermocouple Photoelectric sensor

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

Thermistor Strain gauge Thermocouple Capacitive transducer

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

High voltage source Low temperature source Low frequency signal Electromagnetic field

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

Latching relay Under current relay Current sensing relay Voltage sensing relay