WorksheetsPre-Quiz on PID Controllers
Total questions: 10
Worksheet time: 4mins
A refrigerator's job is to keep food cold. What does it do if the temperature inside gets too warm?
It shuts down to save power
It opens the door automatically to let in cool air
It turns on the cooling system to lower the temperature
It notifies the user without taking any action
When you're driving a car and want to go at a steady speed, what do you usually press or release?
The accelerator
The clutch
The brakes
The steering wheel
Which of the following best describes an open-loop control system?
A system that adjusts its output based on feedback
A system that operates without using feedback
A system that self-corrects using sensors and actuators
Identify the right option concerning a closed-loop control system.
Statement 1: Control action is dependent on the desired output.
Statement 2: A closed-loop control system is an automatic system.
Statement 1 is false and statement 2 is true
Statement 1 is true and statement 2 is false
Both statements are false
Both statements are true
When a system needs to know if its output is correct, what does it usually need to "measure"?
Its own current output
The outside weather
How many people are watching
The color of the machine
Why do we need something to "control" machines or processes sometimes?
Because machines are too smart
To make them work perfectly and automatically
To make them break down faster
To use more electricity
If a street light automatically turns ON when it gets dark and turns OFF when it gets bright, what is it "sensing"?
Light intensity
Temperature
Motion
Sound
Which word best describes what a "controller" does?
Stores
Filters
Amplifies
Regulates
What happens to a thermostat when the temperature in a room exceeds the set point?
It turns off the heating system
It increases the temperature
It turns off the cooling system
It opens the window automatically
In a home heating system, what is the purpose of a sensor?
To turn off the lights
To measure the temperature
To create heat
To open windows
