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Information and Communication Technology System Maintenance (ICTSM)
MODULATION DEMODULATION TRANSMITTER ELECTRICAL
Set 3
Set 3
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Which sensor detect the presence of objects without any physical contact?
A
LVDT
B
Load cell
C
Strain gauge
D
Proximity sensor
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Which device is used to convert force into electrical signal?
A
Load cell
B
Thermistor
C
Thermocouple
D
Photoelectric sensor
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Which sensor is suitable for process temperature measurement of steel?
A
Thermistor
B
Strain gauge
C
Thermocouple
D
Capacitive transducer
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Which working principle is used in the proximity sensor?
A
High voltage source
B
Low temperature source
C
Low frequency signal
D
Electromagnetic field
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Which type of relay is used in voltage stabilizer?
A
Latching relay
B
Under current relay
C
Current sensing relay
D
Voltage sensing relay
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