Nuts & Bolts
Welding
Heat Treating
Tools
Aircraft Drawings
100
When a fiber or nylon insert-type self-locking nut can be threaded on a bolt or stud through the insert with only the fingers, it should be what?
What is rejected.
100
Why is it considered good practice to normalize a part after welding?
What is to relieve internal stresses developed within the base metal
100
Which heat-treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride content?
What is case hardening
100
Which tool can be used to determine piston pin out of round wear?
What is a micrometer caliper.
100
This is a dimension allowable between parts?
What is clearance
200
A particular component is attached to the aircraft structure by the use of an aircraft bolt and a castle tension nut combination. If the cotter pin hole does not align within the recommended torque range, the acceptable practice is to what?
What is change washers and try again.
200
One characteristic of a good weld is that no oxide should be formed on the base metal at a distance from the weld of more than how far (inches)?
What is 1/2 (.5) inches.
200
Normalizing is a process of heat treating only on what type of metals?
What are iron-base metals.
200
What tool is generally used to calibrate a micrometer or check its accuracy?
What is a gauge block.
200
What type of diagram would a mechanic use for troubleshooting?
What is schematic diagrams
300
A bolt with a single raised dash on the head is classified as a what?
What is an AN corrosion resistant steel bolt.
300
Which condition indicates a part has cooled too quickly after being welded?
What is cracking adjacent to the weld.
300
What metal has special short-time heat properties and is used in the construction of aircraft firewalls?
What is titanium alloy
300
The clearance between the piston rings and the ring lands is measured with a what?
What is a thickness gauge.
300
What is normally located in the lower right-hand corner of an aircraft drawing?
What is the title block
400
Aircraft bolts with a cross or asterisk marked on the bolthead are what?
What are standard steel bolts.
400
Which illustration depicts a cold weld?
What is #2.
400
Which heat-treating process of metal produces a hard, wear-resistant surface over a strong, tough core?
What is case hardening
400
Which tool is used to find the center of a shaft or other cylindrical work?
What is a combination set.
400
A hydraulic system schematic drawing typically indicates the what?
What is the direction of fluid flow through the system.
500
How is the locking feature of the fiber type locknut obtained?
What is by the use of an unthreaded fiber locking insert.
500
Identify the weld cause by an excessive amount of acetylene:
What is #3.
500
Which material cannot be heat treated repeatedly without harmful effects?
What is clad aluminum alloy.
500
How can the dimensional inspection of a bearing in a rocker arm be accomplished?
What is with a telescopic gauge and micrometer.
500
Working drawings may be divided into three classes. They are:
What are detail drawings, assembly drawings, and installation drawings.