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WorksheetsSensor Technology Quiz
Total questions: 15
Worksheet time: 8mins
Which type of sensor is used to detect metal objects in an industrial automation system?
Ultrasonic sensor
Capacitive proximity sensor
Inductive proximity sensor
Piezoelectric sensor
Which sensor is best suited for measuring angular velocity in a robotic arm?
Strain gauge
Thermistor
Gyroscope
Pressure sensor
What type of sensor is commonly used in automatic doors to detect human presence?
Optical sensor
Piezoelectric sensor
Infrared motion sensor
LVDT
A thermistor changes its resistance based on:
Magnetic field
Pressure
Temperature
Light intensity
Which type of sensor is most suitable for real-time monitoring of vibrations in rotating machinery?
Strain gauge
Accelerometer
Load cell
Capacitive sensor
The term "sensitivity" of a sensor refers to:
The smallest change in input that the sensor can detect
The ability of the sensor to return to zero when input is removed
The ratio of output signal change to input signal change
The time it takes for the sensor to respond to a change in input
A sensor with a high resolution can:
Detect very small changes in input
Measure over a very wide range
Operate at very high temperatures
Measure with high speed but low accuracy
Which of the following describes "hysteresis" in sensors?
The difference in output when the same input is approached from increasing or decreasing directions
The ability of a sensor to operate over a wide temperature range
The time taken for a sensor to reach a stable reading
The ability to resist environmental disturbances
A temperature sensor has a sensitivity of 10 mV/°C. If the output voltage is 250 mV, what is the measured temperature?
10°C
25°C
50°C
250°C
A load cell has a full-scale output of 5V and a rated load of 500N. What is the output voltage when the applied load is 250N?
1.25V
2.5V
3.75V
5V
A pressure sensor with a range of 0-100 kPa gives an output of 2.5V when the pressure is 50 kPa. If the sensor operates linearly, what would be the output voltage at 80 kPa?
2.5V
3V
4V
5V
A capacitive displacement sensor would be most appropriate for:
Measuring metal thickness in a factory
Detecting plastic objects on a conveyor belt
Measuring high-speed rotation
Measuring angular displacement of a robotic arm
If you need to measure strain in a structural component under heavy loads, which sensor would you choose?
Thermistor
Strain gauge
Capacitive sensor
Infrared sensor
Which sensor type is most suitable for detecting water level in a tank?
Ultrasonic sensor
Thermocouple
Gyroscope
Optical encoder
In an industrial robotic system, which sensor is commonly used to provide accurate feedback on joint positions?
Thermistor
Optical encoder
Load cell
Gas sensor
