Please enable JavaScript.
Coggle requires JavaScript to display documents.
S4 National 5 Engineering Science Course - Coggle Diagram
S4 National 5 Engineering Science Course
The systems approach
Systems and sub-system diagrams
Function of a system in terms of input, process, output and feedback loops
Open and closed-loop control
Interaction of sub-systems
Energy and efficiency
Applying the law of conservation of energy
Calculations involving forms of energy
Energy transfers, losses and transformations in a system
Energy audits and calculation of overall efficiency
Applied calculations involving efficency, work done and power
Engineering roles and disciplines
Environmental
Civil
Structural
Mechanical
Chemical
Electrical
Electronic
Impacts of engineering
Social impacts
Economic impacts
Environmental impacts
Tackling climate change
Explaining how emerging technologies may provide improved solutions to engineering challenges
Analog electronic control systems
Function and purpose within a circuit of:
Battery
Switch
Resistor
Variable Resistor
LDR
Thermistor
LED
Buzzer
Diode
Motor
Lamp
Ammeter
Voltmeter
Describing the function of a circuit (based on input, process and output)
Calculating voltage, current and resistance
Calculations involving series resistors and parallel resistors
Calculating voltage, current and unknow values in a fixed-voltage divider
Designing a voltage divider
Interpreting information given of characteristics for an LDR and an NTC thermistor
Function of relays
Function of a protection diode in an electronic circuit
Explain the swithcing function of a transistor
Operating an electronic control unit
Digital electronic control systems
AND, OR and NOT gates
Examples of Microcontrollers in commercial and industrial uses
Advantages and disadvantages of microcontroller-based control systems
Using correct symbols to construct flowcharts
Using sutible commands to design programs to solve simple problems
Drive systems
Motion in mechanical systems
Rotary
Linear
Reciprocating
Oscillating
Simple gear train systems
Compound gear trains
Calculating speed (velocity) ratio of simple and compound gear trains
The effects of friction in drive systems
Appropriate British Standards symbols