WorksheetsSensors and Actuators
Total questions: 10
Worksheet time: 5mins
Which type of sensor detects the presence of objects without physical contact?
Limit switch
Proximity sensor
Encoder
Strain gauge
What principle do capacitive proximity sensors use to detect objects?
Magnetic field changes
Light reflection
Changes in capacitance
Ultrasonic reflection
Which motor type provides the most precise positioning control?
AC induction motor
Stepper motor
DC motor
Universal motor
What is the function of an encoder in a motion control system?
To convert electrical energy to mechanical motion
To measure position or speed
To increase motor torque
To reduce electrical noise
Which sensor would be most appropriate for detecting the level of water in a tank?
Photoelectric sensor
Ultrasonic sensor
Inductive sensor
Capacitive proximity sensor
What does RTD stand for in temperature sensing?
Resistance Temperature Detector
Rapid Thermal Device
Remote Temperature Display
Radiant Temperature Diode
Which actuator provides linear motion directly from electrical energy?
Solenoid
DC motor
Stepper motor
Servo motor
What unit is typically used to measure the output of a pressure sensor?
Volts
Amperes
PSI OR Bar
Newton-meters
Which type of sensor would be most suitable for detecting transparent plastic bottles on a conveyor?
Inductive proximity sensor
Ultrasonic sensor
Diffuse photoelectric sensor
Capacitive proximity sensor
What is the purpose of signal conditioning in a sensor system?
To amplify the sensor signal
To make the sensor signal suitable for use by control systems
To filter out electromagnetic interference
To convert analog signals to digital
