What type of lines are used on aircraft drawings to indicate hidden views, center lines, and alternate position lines?
A hidden view line is a medium width line made up of short dashes. It represents and edge that cannot be seen when looking at the part from a specific position
Center lines are thin lines composed of alternating long and short dashes, and are used to indicate the center of an object or center of a void.
Alternate position lines are medium width lines composed of one long and two short evenly spaced dashes. They are used to show the alternate position of a part of the relative position of a missing part.
How are dimension lines are shown on aircraft drawings?
Dimension lines are solid, and usually broken at midpoint for insertion of measurement indications.
What is a sketch for a repair?
It is a basic drawing that shows specific information and provides minimum detail needed to manufacture a part.
How may an aircraft drawing of a part be drawn to bring out pertinent details?
By drawing a detailed view at a larger scale than the principle view.
What type of drawing is most helfpul in