
PLC Final Exam Questions
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A __ Circuit is a method of maintaining current flow after a momentary switch has been pressed and release.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An AND gate operates on the same principle as a
Series circuit
Closed circuit
Parallel circuit
Schematic circuit
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Discrete means that each output or input has two states: ______ and _______
True and False
Analog and Digital
Biased and Unbiased
Latched and Unlatched
Tags
NGSS.MS-PS4-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is ScanTime?
The time it takes for a signal to travel from the plc to the output device
The time required for one full cycle, provides a measure of the speed of response of the PLC
The time needed to install a new software update on the plc
The duration it takes for a plc to reboot after a power failure
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PLCs were originally designed as replacements for
Resistance
Relay control panels
Transducer
Microcomputers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During each scan cycle the processor reads all the inputs, takes these values, and energizes or De-energizes the outputs according to the user program.
Program scan
Input scan
Maintenance scan
Housekeeping scan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Programmable logic controllers are categorized according to the:
Number of I/O points
Size of Control program
Power rating of the I/O modules
Voltage rating of field devices
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