What should be avoided when drawing ribs in section views?

a$)$ Using cutting planes

b$)$ Showing external lines

c$)$ Adding hatching lines

d$)$ Including dimensions

How many auxiliary views are typically needed to fully describe a complex object?

a$)$ One

b$)$ Two

c$)$ Three

d$)$Four

What style is preferred for a cutting$-$plane line?

a$)$ Solid line

b$)$ Equal dashes ending in arrowheads

c$)$ Long dashes with short dashes

d$)$ Continuous thin line

What is the main advantage of fine threads?

a$)$ Greater strength under tension

b$)$ Easier to manufacture

c$)$ Better fatigue resistance

d$)$ Faster assembly