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WorksheetsPLC
Total questions: 15
Worksheet time: 15mins
PLC implements___________ functions by means of a program.
Arithmetic
Logic control
________is a PLC instruction measuring the amount of time elapsed following an event.
Timer
Latching
Identify the symbol shown by the image?
Normally Closed Contact
Normally Open Contact
Relay Coil
Normally open pushbutton
What does PLC stand for in the context of industrial automation?
Programmable Logic Controller
Personal Laptop Computer
Public Limited Company
Private Local Connection
Which of the following is a primary function of a PLC in an industrial setting?
Data storage
Logic control
Internet browsing
Graphic design
In a PLC, what is the purpose of a ladder diagram?
To climb to higher levels
To represent control logic
To store data
To display images
Which component of a PLC is responsible for executing the control program?
Power supply
CPU
Input module
Output module
What type of signal does a PLC's input module typically receive?
Digital or analog
Only digital
Only analog
Radio frequency
In PLC programming, what does the term 'scan time' refer to?
The time taken to scan a barcode
The time taken to execute the control program
The time taken to print a document
The time taken to download a file
Which of the following is a common programming language used for PLCs?
Python
Ladder Logic
Java
C++
What is the role of a timer in a PLC program?
To keep track of the current time
To measure elapsed time for events
To set alarms
To control the power supply
In a PLC, what does the term 'I/O' stand for?
Input/Output
Inside/Outside
In/Out
Internal/External
Which of the following is an advantage of using PLCs in industrial automation?
High power consumption
Complex programming
Flexibility and reliability
Limited scalability
What is the function of an output module in a PLC?
To receive signals from sensors
To send control signals to actuators
To store the control program
To provide power to the PLC
In the context of PLCs, what does the term 'redundancy' refer to?
Unnecessary components
Backup systems for reliability
Excessive wiring
Duplicate programming
