PLC and Electrical Safety Quiz
Interactive Video
•
Physics
•
10th - 12th Grade
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one advantage of using a PLC in controlling a process?
It can be programmed and reprogrammed as conditions change.
It is always cheaper than other systems.
It cannot be reprogrammed.
It requires no maintenance.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a body becomes part of an electrical circuit?
The voltage increases.
An electric shock occurs.
The circuit becomes open.
The body becomes insulated.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is current measured in an electrical circuit?
In watts
In ohms
In amperes
In volts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of grounding in electrical systems?
To increase voltage
To provide a direct path for fault current to earth
To reduce current
To increase resistance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a shielded cable in a PLC system?
To increase signal strength
To reduce power consumption
To block electromagnetic interference
To increase resistance
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a snubber circuit in a PLC?
To increase resistance
To suppress voltage spikes
To increase voltage
To reduce current
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a master control relay in PLC safety?
To increase voltage
To increase current
To remove power from inputs and outputs
To reduce resistance
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