2A656 CDC Vol 2 April 2012
Electrical Enviornmental Vol 2, Updated April 2012.
- 1.Screwdrivers are sized by the length of the?
- A.
Blade
- B.
Shank
- C.
Handle
- D.
Ferrule
- 2.When striking an object with a hammer, the hammer face should be?
- A.
Parallel to the work
- B.
Offset to the work
- C.
Slightly angled
- D.
Slightly open
- 3.What kind of pliers are good for pulling cotter pins?
- A.
Snap rings
- B.
Vise grip
- C.
Long-nose
- D.
Diagonal cutting
- 4.One advantage of box-end wrenches is that they?
- A.
Are the fastest to use
- B.
Can be hammered on saftley
- C.
Are not likely to slip off the nut
- D.
Are easy to use on recessed bolts
- 5.Which wrench is usually the strongest, fastest, and safest to in a tool hit?
- A.
Socket
- B.
Box-end
- C.
Open-end
- D.
Adjustable
- 6.When filing aluminum or lead, you should use?
- A.
Rasp
- B.
Scribe
- C.
Mill file
- D.
Triangular file
- 7.What type of gauge would you use to measure an actuating switch clearance?
- A.
Gap
- B.
Thread
- C.
Pressure
- D.
Thickness
- 8.The last verification date on a tourques wrench must not exceed?
- A.
60 workdays
- B.
30 workdays
- C.
60 calender-days
- D.
30 calender-days
- 9.A precaution concerning tourque wrenches is to?
- A.
Never use an extension with a tourque wrench
- B.
Never use another wrench to secure a bolt before torquing
- C.
Never us a tourque wrench that has been dropped unless it has been verified
- D.
Always calculate the leverage advantage before using a tourque wrench above its rated compacity
- 10.Before storing a tourque wrench you have used, you should?
- A.
Lubricate it with a light oil
- B.
Set it at its lowest setting
- C.
Check it for accuracy
- D.
Set it at zero setting
- 11.Tubing used in aircraft oxygen, fuel, lubrication, fire extinguishing, instruments, hydraulic, and vent lines is?
- A.
Stainless steel and teflon alloy
- B.
Stainless steel and copper tubing
- C.
Aluminum alloy and copper tubing
- D.
Aluminum alloy and stainless steel
- 12.A properly installed bolt has a minimum of how many threads protruding through the nut?
- A.
Four
- B.
Three
- C.
Two
- D.
One
- 13.When tourquing a bolt assembly, what us the force applied to overcome friction?
- A.
Torsion
- B.
Tension
- C.
Tensile
- D.
Shear
- 14.When installing a cotter pin, ensure the prong that bends over the bolt shank does not exceed the bolt nut?
- A.
Grip
- B.
Width
- C.
Length
- D.
Diameter
- 15.Wire insulation may consist of several layers of nonconducting material that provides?
- A.
Thermal protection and fluid resistance
- B.
A method of identification
- C.
Protection from freezing
- D.
Strength and flexibility
- 16.Which technical order (TO) provides instructions for the Brady Wire Making System?
- A.
00-20-1
- B.
00-20-2
- C.
1-1A-8
- D.
1-1A-14
- 17.Wires and wire bundles should be supported by clamps or grommets at intervals of no more than?
- A.
15 inches
- B.
20 inches
- C.
24 inches
- D.
26 inches
- 18.Which color code and corresponding wire sizes are valid for a preinsulated terminal?
- A.
Yellow- 12 and 10
- B.
Brown- 22 and 20
- C.
Blue- 20 and 18
- D.
Red- 16 and 14
- 19.The indent-type crimping tool should be used only on?
- A.
Preinsulated splices
- B.
Preinsulated terminals
- C.
Noinsulated terminals
- D.
Noninsulated terminal boards
- 20.When joining copper and aluminum terminal lugs together on the same terminal board stud, separate them with?
- A.
A steel washer
- B.
A copper washer
- C.
A cadmium-plated washer
- D.
An aluminum-alloy washer
- 21.What do you use as junction points for circuits that are frequently disconnected?
- A.
Conneector plugs
- B.
Terminal boards
- C.
Shielded wires
- D.
Splices
- 22.When heat is applied to thermofit material, which is used in compact wire bundles, it will shrink by at least?
- A.
One and a half times its original diameter
- B.
One-fourth its original diameter
- C.
One-half its original diameter
- D.
One time its original diameter
- 23.Never use cushioned clamps in any bonding or grounding connection, because the cushion acts as?
- A.
A conductor
- B.
An insulator
- C.
A semi conductor
- D.
An alternate path for current
- 24.After a bonding or grounding jumper is insulated, it should read no more than?
- A.
0.02 ohms
- B.
0.01 ohms
- C.
0.2 ohms
- D.
0.1 ohms
- 25.Oxide film is removed from the surface of metals durning the soldering process by the use of?
- A.
A bristle brush
- B.
The soldering flux
- C.
A soldering iron tip
- D.
An approved solvent
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