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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
what is a centre punch used for ?to mark the centre of a point
what is a pin punch used for ?removing a rivet or fastener tails
what should be used to clean a handle file?a file card
what are diagonal cutter used for ?to cut safety wire and install cotter pins
which way do green aviation tin snips cut ?right
what way do yellow aviation tin snips cut ?straight
what way do red aviation tin snip cut?left
when should a torque wrench be calibrated ?yearly or when physically damaged
list the 5 cuts of hand files starting at the smoothest.....dead smooth, smooth, second, bastard and coarse
when would duck bill pliers come in use in an aviation environment?when twisting lock wire
what are the 5 parts of a hand file ?Tang, Heel, Face, Edge and Point
what is a Tang on a hand file ?the sharp end in which the file fits into
what is the heel of the hand file ?the area above the tang where the main body of the file starts
what is the face of a hand file?the long flat surface of the file used as the primary cutting surface
what is the edge of a hand file ?long narrow surface perpendicular to the face
what is the point of the handle file ?end of the file opposite of the tang
what direction should the hacksaw blade teeth be installed ?cutting blade forward and teeth on angle
why do we use 12 point wrenches ?better starting points and used for 12 point nuts
when is the right time to use a speed handle ?when removing a large number of screws and when in flammable environments when power tools can not be used
what is the range that number drills sizes90-1 *smaller the number the bigger the drill
why do we use off set wrenches?to gain access into tight areas
how much smaller should a hole be drilled that is to be reamed ?1-3 thou
whats the purpose of jig saw blade thickness ?the thicker the blade the better chance of getting a straight line
what is the common metal that drill bits are manufactured from ?High Speed Steel (HSS)
What determines the type of grinding wheel abrasiveness ?hardness and type of material
why do we ream a hole in preparation for rivet installation ?the hole needs to be completely round for the rivet to fit and for clearance fit, reamers allow for this to happen
how should we store torque wrenches ?Set to 0 and put back into case, stored somewhere on it own in tool box
what torque denominations are mainly used in North AmericaSAE
describe an offset screwdrivera screwdriver with the blade at right angles to the shaft for use where a straight screwdriver cannot reach the screwhead
when is the use of vice grip acceptable ?almost NEVER, UNLESS screw has been stripped
what does low feed mean when drilling aluminum?low feed is the pressure on the drill
what dose high speed mean when drilling aluminum ?high speed is the speed the drill is moving at
what is a common drill bit angle ?59 or 118
what are the 3 common methods of identifying twist drills ?number, letter and fractional
name the two most common types of dies?spit and solid die
how are internal threads made ?with a tap
how are external threads made ?with a die