Sector 3: Identifying Threaded Fasteners

What is the purpose of a nut in a bolt assembly?

• To create internal tension

• To secure the end of a bolt

• To hold the fastened material together

• To stretch the bolt

What happens to bolts as they are tightened?

• They break

• They become loose

• They stretch

• They shrink

What is the internal tension created in a bolt assembly similar to?

• A compressed spring

• A stretched rubber band

• A twisted rope

• A bent wire

What is the term for fastening two threaded pieces without aligning the threads correctly?

• Double-thread

• Mis-thread

• Opposite-thread

• Cross-thread

What is the first phase of tightening a bolt?

• Rundown

• Plastic

• Alignment

• Elastic

What does it mean if a bolt reaches the 'plastic' phase?

• It has stretched too much and will fail to hold the material together properly

• It is at its maximum strength

• It is ready to be reused

• It is in perfect condition

How can the grade of a bolt be determined?

• By the color of the bolt

• By the shape of the bolt

• By the number of marked lines on the head of the bolt

• By the length of the bolt

What does a Grade 5 bolt indicate?

• Low strength

• Medium strength

• High strength

• No strength

What is the purpose of the FOD Alert at the end of the class?

• To return all materials to the cart

• To clear all areas of FOD that may have accumulated during the class

• To close digital notebooks

• To thank students for their attentiveness

What is the main caution given to students regarding bolts?

• To not under-tighten

• To not over-tighten

• To not use bolts with low strength

• To not cross-thread