WorksheetsSector 3: Identifying Threaded Fasteners
Total questions: 15
Worksheet time: 8mins
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
What is the main reason for not reusing nuts or bolts?
They may have been damaged
They may have been lost
They may have been stretched too tightly and no longer have the required strength
They may have been corroded
What is the grade of a bolt with 6 radial lines 60-degrees apart?
Grade 5
Grade 2
Grade 8
Grade 10
What is the grade of a bolt with no markings and low strength?
Grade 2
Grade 5
Grade 8
Grade 10
What is the tool used in the 'Alignment' phase of tightening a bolt?
Pliers
Screwdriver
Hammer
Wrench
What is the main reason for using the proper tool with the proper fasteners?
To ensure the correct assembly of the aircraft
To prevent the bolts from stretching
To make the work easier
To impress the teacher
