Font size
Worksheets2. Systems and Control
Total questions: 14
Worksheet time: 9mins
A system that relies on feedback in order to operate is known as what?
A closed-loop system
A constant-loop system
An open-ended system
An open-loop system
Within a sub-system diagram, a system boundary is represented by what?
A solid line
An arrow
A dashed line
An arrow in and an arrow out
Which two of the following could be considered as outputs of a toaster?
Heat energy
Bread
Toast
Electricity
Complete the sentence: A transducer is...
… a device that converts electrical energy into potential energy.
… a form of kinetic energy.
… a device that converts a physical quantity, such as pressure or brightness, into an electrical signal, or vice versa.
Which of the following is NOT a form of energy?
Kinetic
Sound
Light
Oil
Stored energy is otherwise known as (a) energy.
A Universal System Diagram will always require which THREE pieces of information?
An output
A process
A feedback loop
An input
True or false. Systems will always convert one form of energy into another?
True
False
The '+' symbol in an error detector represents what?
Set value
Actual value
Positive terminal
In which THREE ways might efficiency be lost in a system?
Electricity
Friction
Sound
Heat
The creation of light pollution as a direct result of an engineering project is an example of what?
A positive environmental impact
A negative economic impact
A negative environmental impact
A positive economic impact
Within systems, every system will have an output. True or false?
True
False
Newton's 3rd Law states that every action has an (a) and opposite reaction.
As an output, a petrol powered car engine will create which of the following?
Sound
Heat
Petrol
Exhaust emissions
