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WorksheetsPLC Quiz
Total questions: 10
Worksheet time: 5mins
What does PLC stand for?
Programmable Logic Controller
Programmable Logic Computer
Programmable Logic Code
Programmable Logic Circuit
In which decade did PLCs begin to replace mechanical relays?
1970s
1960s
1950s
1980s
What is the primary function of the Power Supply in a PLC?
To receive input signals
To send output signals
To provide stable power to all PLC components
To store programming data
Which type of input does a temperature sensor with a 4-20mA signal represent?
Digital
Analog
Discrete
Binary
What is one of the programming languages used for PLCs?
Python
C++
Ladder Logic
Java
What is a key advantage of using PLCs in industrial automation?
High flexibility
Complex programming
Limited application
High initial cost
How does the CPU in a PLC contribute to its functionality?
It connects to external devices
It provides power to the system
It executes programs and controls outputs
It only stores data
What is a disadvantage of PLCs mentioned in the text?
Low reliability
High initial cost
Limited programming options
Simple to use
In what way can PLC technology evolve in the future?
Elimination of programming
Integration with IoT and cloud systems
Reduction in size
Increased mechanical components
What type of output is a relay controlling a motor classified as?
Hybrid
None of the above
Analog
Digital
