PLC Quiz

The horizontal lines in ladder diagram is called as

• Power lines

• Rungs

• Contacts

• All of the above

PLC means

• Programmable Logic Controller

• Programmable Ladder Controller

• Programmable Ladder Conditioning

• Programmable Logic Conditioning

For which logic function will we get an output only when two inputs are different, and will not get output when two inputs are same?

• XNOR

• OR

• XOR

• AND

Which of the following logic functions will produce an output only only both the inputs are low?

• NAND

• NOR

• XOR

• XNOR

Choose the factors that should be considered while selecting a PLC

• Cost

• Memory

• Software

• Number of input/output modules

NOT logic uses

• Normally Open contact

• Normally Closed contact

• Normally Open/Closed contact

• None

LD means

• Start a rung with NO

• Start a rung with NC

• Connect a NC in series

• Connect a NO in series

Which of the following is used to create a delay in ladder diagram?

• ON delay Timers

• Counters

• Code converters

• OFF delay timers

Which of the following can be used in rugged environments?

• PLC

• Computers

• Arduino

• None

Which of the following is an easiest way of PLC programming?

• Sequential Flow Charts

• Functional Block Diagram

• Structured Text

• Ladder Diagram