CDC VOL 1. Flashcards
Who is responsible for safety?
Everyone.
What part of the AFTO Form 244 contains the NSN?
Part I.
What part of the AFTO Form 244 contains the type of inspection due?
Part III.
What is part IV of the AFTO Form 244 used for?
The supervisory review of the forms.
What TO gives information on equipment forms documentation?
TO 00–20–1.
What items do you look for when inspecting a hammer prior to use?
The handle for nicks, splits, or being broken; the hammerhead face for nicks, mushroomed areas, or burrs; additionally, ensure the hammerhead is securely attached to the handle. Finally, ensure the hammer’s face is clean.
What are the included angles for the points of prick punches and center punches?
60 degrees for prick punches; 90° for center punches
How do you select the size of the drive punch you need to remove a bolt or a pin?
Select one closest in diameter to the bolt or pin you’re trying to remove
If you’re going to sharpen a chisel to cut a piece of C steel, what should be the included angle of the cutting edge?
Seventy degrees.
What procedure should you follow when using an adjustable wrench to tighten or loosen a bolt?
Always turn the wrench in the direction of the adjustable jaw
What are the sources of power for powered hand tools?
Air (pneumatic), battery, or electrical power.
What is the safe air pressure for operating a pneumatic drill?
90 to 110 psi.
How do you keep a pneumatic drill motor lubricated?
Put a drop of oil in the air intake about once a week
What can happen if a grinding wheel becomes damaged during use? How can you protect yourself and others from personal injury if this occurs?
The wheel can disintegrate while you’re using it. Wear goggles and a face shield, and use protective shields or curtains around the grinding area to protect other personnel in the shop.
Why don’t you use a grinder on or near an aircraft?
fire hazard produced by sparks during operation
How is the proper cutting pressure obtained with a portable band saw?
By using the weight of the portable band saw
What determines the cost of a surface plate?
Size and accuracy.
How do you place heavy parts or tools on a surface plate?
By setting them on the edge and sliding them into position.
The gage blocks you are most likely to use in the shop are manufactured within what tolerance?
A thickness tolerance between +0.000010-inch and –0.000006-inch.
How do you select gage blocks when you’re setting them up for a dimension?
Begin by selecting the thicker blocks first; then, add thinner blocks until you get the correct dimension. Try to use as few blocks as possible.
Why don’t you touch the gaging surface of the blocks with your bare hands?
Moisture from your hands can cause the gage blocks to corrode.
What is the pitch of the spindle screw on an outside micrometer?
Forty threads per inch.
How many thousandths of an inch does the spindle move if it is revolved three complete turns?
0.075.
On a micrometer, what part of an inch does each graduation on the vernier scale represent?
0.0001.