30 Questions
What is one of the purposes of using punches?
To drive parts that cannot be hit directly with a hammer
Why is it important to keep the head of a punch free of burrs?
To prevent the punch from splitting or chipping
What is the correct way to return a mushroomed punch shank to its original shape?
Using a bench grinder to shape the shank
What is the purpose of a prick punch?
To transfer dimensions and locations onto sheet metal
Why should prick punches never be used to drive a pin or rivet from a hole?
Because they scar the material and have delicate points
What happens to a punch shank after it has been continuously hammered?
It deforms to a mushroom shape
What is the primary function of the teeth on a file?
To act as small chisels and remove small chips of material
What is the purpose of the tang on a file?
To act as a handle for the file
What is the main surface of a file where the teeth are cut?
The faces
Why is it important to use the correct file for the job?
Because there is a large range of types, shapes and sizes
What is the purpose of a safe edge on a file?
To permit a corner to be cleaned out without damage to adjacent faces
What is the material from which files are generally manufactured?
High-carbon steel
What is the primary function of lockwire pliers?
To twist and secure lockwire
How do you secure the lockwire after twisting it with lockwire pliers?
By cutting the wire and putting a 'pig tail' or curl on the end
Which type of pliers is commonly used for electrical and electronic work?
Needle nose pliers
What is the purpose of the spiral rod in the handle of lockwire pliers?
To twist the lockwire
What is the benefit of using needle nose pliers with long, thin jaws that are bent at a right angle to the handle?
They can grip a component and hold it while keeping your hand out of the way
What is the primary function of circlip pliers?
To fit and remove circlips
What is the main difference between a roughing process and a finishing process in file usage?
The amount of material removed
What determines the rate of cutting and the finish given to the work in a file?
The depth and spacing of the file's cutting teeth
What is the sequence of file grades from roughest to smoothest?
Rough, middle, bastard, second cut, smooth, dead smooth
What is the main difference between a single-cut file and a cross-cut or double-cut file?
The number of sets of teeth
What is the purpose of different arrangements of cutting teeth in files?
To give the most satisfactory results when working on different metals
What is the name of the file with curved teeth?
Dreadnaught
What is the primary purpose of the bastard cut grade of file?
To remove material quickly
What is the main difference between flat and parallel files?
The presence of one safe edge
What type of file is used for enlarging large, round holes and filing concave surfaces?
Half-round file
What is the characteristic of a smooth cut file?
Cuts slowly and imparts a good finish
What is the purpose of using a second cut grade of file?
To obtain a smoother finish than the bastard grade
What is the shape of the blade of a flat file?
Rectangular with tapered and bellied edges
Test your knowledge of different types of punches, their uses, and safe practices when working with them. Learn about the importance of proper technique and tool maintenance in aviation maintenance.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
