AQA A-LEVEL DESIGN &
TECHNOLOGY KEY TERMS 2.7
DESIGN & MAKING PRINCIPLES
QUESTIONS WITH SIMPLIFIED
SOLUTIONS
marking out ANSW✅✅the transfer of designs onto pieces of material or part
datum ANSW✅✅a surface or edge used as a reference from which measurements are taken to
improve accuracy
jig ANSW✅✅a device used to control the motion of a tool such as a drill relative to a workpiece
fixture ANSW✅✅a robust frame with holding points and clamps to hold product components
firmly in place for manufacturing processes such as welding
template ANSW✅✅a rigid shape or pattern, used to transfer a design onto a workpiece to ensure
consistency
accuracy ANSW✅✅the amount of conformity of a measurement to the required value.
tolerance ANSW✅✅the acceptable upper and lower limits of accuracy of a measurement
measurement ANSW✅✅the process of using tools to check existing dimensions
dimension ANSW✅✅the measured distance in a straight line between features of a part or
product, such as height or length
TECHNOLOGY KEY TERMS 2.7
DESIGN & MAKING PRINCIPLES
QUESTIONS WITH SIMPLIFIED
SOLUTIONS
marking out ANSW✅✅the transfer of designs onto pieces of material or part
datum ANSW✅✅a surface or edge used as a reference from which measurements are taken to
improve accuracy
jig ANSW✅✅a device used to control the motion of a tool such as a drill relative to a workpiece
fixture ANSW✅✅a robust frame with holding points and clamps to hold product components
firmly in place for manufacturing processes such as welding
template ANSW✅✅a rigid shape or pattern, used to transfer a design onto a workpiece to ensure
consistency
accuracy ANSW✅✅the amount of conformity of a measurement to the required value.
tolerance ANSW✅✅the acceptable upper and lower limits of accuracy of a measurement
measurement ANSW✅✅the process of using tools to check existing dimensions
dimension ANSW✅✅the measured distance in a straight line between features of a part or
product, such as height or length
