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Worksheets13 Peripheral Output Devices Quiz
Total questions: 9
Worksheet time: 5mins
What are examples of digital peripheral output devices?
Indicators, electromechanical devices, electro-pneumatic devices
Motor position and speed
Temperature sensors and gauges
Light sensors and cameras
What components are used in the output ports of a PLC?
Relays or optoisolators with transistors or triacs
Capacitors and resistors
Diodes and LEDs
Transformers and inductors
What happens when a current passes through a solenoid?
A magnetic field is produced
A chemical reaction occurs
Heat is generated
Light is emitted
What is the result of a relay connected to the output of a PLC when the output switches on?
The relay emits light
The relay stores energy
Much larger currents can be switched on
The relay decreases voltage
What is the term used for a relay whose contacts remain open or closed even after the power has been removed from the solenoid?
Contact relay
Latching relay
Switching relay
Power relay
What is the function of a spool valve in a cylinder?
To control the movement of a piston
To increase air pressure
To decrease oil flow
To regulate temperature
What are directional control valves described by?
The number of ports and control positions
The size and shape of the valve
The color and material of the valve
The weight and height of the valve
How are switching positions within each square described?
By colors
By arrows
By numbers
By letters
What is a key difference between a brushless DC motor and a conventional DC motor?
Brushless DC motors use a commutator to reverse current.
Conventional DC motors use electronic circuitry to reverse current.
Brushless DC motors use electronic circuitry to reverse current.
Conventional DC motors do not require any current reversal.
