7.2 And 7.3 Flashcards
(149 cards)
1
Q
What has to be put on tools
A
Corrosion resistant finishes and sealed mechanisms
2
Q
How can basic tools be cleaned
A
A stiff brush or rag
3
Q
How do you clean a work bench metal and wooden
A
Metal - cleaned with an oily rag
Wooden - with a stiff brush
4
Q
How should you maintain a vice
A
Wipe over frequently with an oily rag, lubricate the moving jaw screw bearings and threads
5
Q
How should you maintain a drilling machine
A
Cleaned inspected and regularly lubricated
6
Q
How should grinders be maintained
A
Keep clean from dust as much as possible, bearings should be lubricated regularly, but oil and grease can’t come into contact with the grinding shell
7
Q
How should motor drives be maintained
A
Must be kept clean and free of dust both externally and internally, must have regular maintenance from authorised personnel
8
Q
How should measuring instruments be maintained
A
Stored in their own protective case
9
Q
How should drill bits and reamers be maintained
A
Drill bits - kept in a drill bit stand when not in use
Reamers - kept in boxes or laid in grooved trays for various sizes of reamers
10
Q
What must part 145 have a method for
A
Tool control
11
Q
What should you do if a tool is missing
A
Report it to a supervisor
12
Q
Why is tool control so important
A
Because it can lead to loss of life or loss of aircraft depending on the damage
13
Q
Why is it more common for personal tools to not be allowed in a part 145
A
Because it ensure better tool control through the company stores
14
Q
What should be used in the trays of tool kits
A
Shadow foam
15
Q
What is a shadow board
A
Storage of pliers, screwdrivers, ratchets, spanner’s, hammers as well as other tools are kept and can easily be seen if a tool is missing
16
Q
What should you use if taking a tool for, a shadow board or stores
A
A tool tag
17
Q
If using personnel tools what do you need
A
A tool list
18
Q
When checking out a specialised tool what is needed and what is recorded
A
A tool tag and the person checking it out name
19
Q
What do you do if at the end of your shift you want to transfer a tool to another engineer
A
Transfer there tool tag for yours
20
Q
What is the most important check with tools
A
End of shift check
21
Q
What happens if there is an outstanding entry in stores
A
An investigation is carried out to look for the tool because it can become FOD
22
Q
Can tools that require recalibration be sent off before the expiry date
A
Yes
23
Q
What must be available for all materials used in the workshop
A
Material safety data sheets (MSDS)
24
Q
Where must many aircraft seal earns be stored
A
In a refrigerator
25
What is a dimension
A measurable limit
26
What is tolerance
Total amount by which a given dimension is allowed to vary
27
What are most tolerances
Bilateral
28
When can a tolerance be used
Examining the dimension of a single part or when comparing the dimensional relationship between two parts
29
What is a clearance fit
A fit that allows sliding or rotating between two parts
30
What is an interference fit
When the dimension of two parts overlap
31
What is an allowance
Minimum clearance space intended between two parts
32
How is the allowance worked out
Difference between maximum material dimensional limits of mating parts creates the allowance
33
What is workmanship
Skill, quality, result
34
What do standard of workmanship depend on
The person doing the work and the tools they have
35
How do you know if the tool is calibrated
A labelling system that says when it was last calibrated and when it next needs to be calibrated
36
What should all maintenance organisations keep when it comes to calibrated tools
A register that specifies the tools that need periodic calibration
37
The interval of the inspections and calibrations should be in accordance with who
The manufacturer
38
Sensitive instruments like electrical instruments should be calibrated when and by who
Before use by the user and also a periodic calibration
39
If an item is showing signs of damage or when the measurement is in doubt what should you do
Label unserviceable and must not return to service until determined serviceable
40
What must you check before using any calibrated tool
That it’s within its calibration date and that it is properly calibrated
41
Why is calibration essential on a torque wrench
Accuracy and longevity
42
What is the best way to check a torque wrench
Use a torque analyser
43
What is the analyser
A calibrated instrument to which the torque wrench is attached and required force is applied
44
Who carries out calibration of torque wrenches
Approved personnel
45
How are pressure gauges and transmitters calibrated
By hydraulic pumps which use wither water or oil
46
Is it possible for micrometers to slip out of calibration
Yes
47
What do all screwdrivers come in
Various sizes
48
How can you determine the size of a flat head
By the blade gauge (thickness) and blade width
49
How much of the screw must the screwdriver tip fill
75%
50
Where is the use of a slotted screwdriver used on aircraft
Quick release fasteners for various access doors, panels trim and so on
51
What’s the difference between Phillips and reed and prince
Philips has a slightly larger centre in the cross and the Philips screwdriver is blunt
52
What is the point angle on a Philips screwdriver
30°
53
Why is it important to pick the correct size screw head
So you don’t round off the screw and bounce out
54
What is the reed and prince screw tip like
Pointy
55
What is the reed and prince point angle
45°
56
What screws are reed and prince screw drivers used with
Fears on screws
57
What is the pozidriv
An improved version of Philips
58
Because of its design what does it have more of than Philips
Contact area
59
Why should you take care when using a posidriv screwdriver
Can be easily mistaken with a Philips
60
Where are posidriv screws and screwdrivers
Same place as Philips where more torque is required
61
What are torx screwdrivers also known as
Star drives
62
What do torx provide the ability to do
Apply more torque to the screw with reduced cam out risk and less operator effort
63
How are torx screwdrivers sized and indicated
By the letter T and range from T1 to T100
64
What are internal hex screwdrivers also known as
Allen key screws
65
Give an example of where these could be used on aircraft
In panel stud nuts in the avionics bay
66
What is the main positive of the Tri wing screw and screwdriver
Have the advantage of greater torque transfer to the screw
67
Screwdriver bits are sized from 0-15, how do you know what size to use
Screw will have a number in a circle stamped on the head
68
Why are Torx-set screwdriver similar to Philips
The cross is offset
69
What does the cruciform shape and straight wing walls allow
Greater torque transfer
70
Where can these be used
On aircraft wing fuel panels
71
MorTorq has four wings that are curved and fit into matching screwhead what does this allow
Full contact and therefore the ability to apply more torque to the screw
72
Where are Hi-torque screws used
Used to repeatedly install and remove fasteners
73
What are Ball Pein Hammer manufactured from
High grade drop forged steel which is fully heat treated
74
What are DIN hammer used for
Same as ball pein hammer
75
What is a soft face mallet used for
Is used as a driving force without damaging surfaces, they also reduce force transmitted back to the arm or hand by the user
76
What are soft faced mallets made of
Materials such as plastics, including nylon and natural rubber
77
What is a feature sometimes found on a soft faced mallet
Individual faces can be replaceable
78
What do you have to do before using a hammer
Check handle is secured properly, make sure face is clean from burrs,
79
What are single fixed joint pliers
Halves that are placed inside each other and have a pivot point installed
80
What are toggle compound joint pliers
Combines single (fixed) joint with a toggle joint
81
What are lap joint pliers
Where both halves of the pliers are made and jointed on top of each other
82
What are slip joint pliers
Pivot point can be moved to allow the jaws of the pliers to be increased or decreased to accommodate the job
83
What are diagonal pliers also known as as
Wore cutters or snips
84
What do Combination (Lineman’s) Pliers do
Can be used to hold, cut, twist or bend
85
What are long nose pliers for
Used for work with wire, allowing the user greater control when bending, gripping and cutting
86
What positive do multi grip pliers have
Long handles for a large force to be applied
87
What are vice grip pliers used for
To hold pipes, cut wire, or to hold a bolt
88
What are circlip pliers used for
Fitting and removing circlips
89
What are wire locking pliers used for
Wire locking
90
What is a vice
A clamping device to hold work in place
91
What are the three types of vices
Metal working vices, hand held vices, machine vices
92
Metal working vices can be either:
Fixed or rotating
93
Where is a machine device used
On drills
94
Open end spanner’s can have an angle of _ to _
0° to 90°
95
What is the most common angle for a spanner
15°
96
What sizes are spanner’s measured in
1/16”
97
What does a crows foot spanner’s have at the opposite end of the head
A square drive fitted to receive a ratchet to apply turning force
98
Where should adjustable spanner’s be used on aircraft
Nowhere they are forbidden on aircraft
99
When are ring spanner’s used
Close quarters, are called ring spanner’s because they go around the bolt
100
Why are ratchet ring spanner’s used
Allows a ring head to turn a fastener one direction but not the other
101
What is a combination spanner
A spanner with a standard head and a ring head
102
What do ratchet handles do
Used with sockets, used for removal and installation of fasteners and nuts
103
What do breaker bars do
Allow a socket on them meaning you can get much more power form the longer bar
104
What are sockets
The tool that makes direct contact with the nut
105
What is the socket bar for
Provide a long reach
106
What is a torque wrench
A wrench that applies specific torque
107
Why isn’t a wrench with torsion or flexing bar used as much anymore
Rarely seen because it is susceptible to damage
108
What are the disadvantages of a wrench with a rigid body and indicator
Hard to read in small places
109
What is the most common type of torque wrench
Adjustable Wrench with indicator
110
What is torque
Rotational or twisting force
111
Where should you store torque wrench
Keep in original packaging, store in a clean area, inspect the torque wrench for damage, check for calibration
112
What are the standard sizes for rules
Six inches, 12 inches
113
What is good about the flexible steel tape
Has a hook that can attach to a ledge so it can be used by one person
114
What can engineer squares be used for
Mark a line, check angles,
115
What is the scribed used for
Mark lines on any surface
116
What are dividers used for
Scribing arcs and circles, measuring between points, transferring dimensions
117
What are callipers used for
Measuring diameters and distances
118
What are radius gauges used for
Measure inside or outside radii
119
What are feeler gauges used for
Every leaf of a feeler gauge is different and is used as a go no go gauge to see what will go in and what won’t
120
What are punches used for
Used to make a guidance hole for drilling
121
What is a taper punch used for
Used to start when driving a bolt or pin out
122
What are pin punches used for
To punch out rivets
123
There are three different coloured handles for snips and what direction they cut which goes with which
Yellow cuts straight, green curve right, red curve left
124
What must snips ever be used for
Cutting sheet metal
125
On a full hacksaw blade what are they made out if
Tungsten steel
126
What does the tooth pitch represent
The number of teeth per inch
127
Full hacksaw blade have pitches of 14,18,24 and 32 what is each one
14 - coarse, 18 - coarse, 24 - medium, 32 - fine
128
What are the characteristics of a minis hacksaw
Used in confined spaces but can flex causing cutting to be difficult
129
What are files made out of
High grade carbon steel
130
What on the file does the cutting
The teeth
131
What are the coarse files teeth like
Small number of larger teeth
132
Where should files be stored
A clean dry environment
133
What do you de burr with
A de-burring tool
134
What is the most commonly used drill
A pneumatic
135
Where are electric drills used
Workshops
136
What is the risk with drill bits
FOD if lost
137
What is a drill bit
A rotary cutting tool
138
What is the shank of the drill for
Fit into the drilling device
139
What is the body of a drill
The bit between the point and the shank
140
What are flutes on a drill bit
Grooves that are cut or formed in the body of the drill to remove swarf
141
What is the margin
Narrow furnace along the flutes that determines the size of the drill
142
What is land
The elevated portion of the drill bit
143
What is land clearance
Known as the body diameter clearance as it is the area relieved of material behind the margin
144
What is point
The point of the drill consists of the cutting edge
145
What is cutting edge
The whole cutting end of the drill
146
What is the flank
Behind the cutting edge and extend from the outside circumference to the middle
147
What does the chisel edge
Doesn’t cut but penetrates the work piece
148
What are point angles
The angle of the cutting edges
149
What are some common materials for drill bits
High carbon steel, high speed steel, cobalt drill bits, carbide drill bits
