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Maintenance Practices > Workshop Practices > Flashcards

Workshop Practices Flashcards

1
Q

What does the Health and Safety at Work Act 1974 deal with?

A

Health, safety and welfare of people at work. Employers and employees responsibilities

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2
Q

Basic fundamentals of the Health and Safety at Work Act?

A

Employers responsibility to provide safe workplace, PPE, accident reports.

Employees responsibility to respect rules, wear PPE, report accidents

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3
Q

Maximum weight for someone to lift manually?

A

20kgs

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4
Q

Basic requirements for team lifting?

A

Everyone understands job involved
Area is clear
Weight evenly distributed
Person in charge not involved in lifting, observing for safety, etc

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5
Q

Function of Barrier Cream?

A

Prevents oils and fuel drying out skin, dermatitis

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6
Q

What are the reactions of the body when subjected to a 100V shock?

A
  1. 001 Amp - Sensation
  2. 012 Amp - Muscular contraction
  3. 1 Amp - Death
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7
Q

Treat someone for electric shock?

A

Remove victim from supply using insulated material e.g rubber gloves
Treat for shock, keep them warm
Get medical assistance

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8
Q

Under what conditions should electrical equipment never be handled?

A

If it is unserviceable (damaged) or dangerous to do so

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9
Q

Hazards of Compressed Gases?

A

Embolism
Spontaneous combustion when in contact with oil or grease
Oxygen intensifies a fire
Static electricity can cause a spark

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10
Q

Checks before using compressed air and air hoses?

A 
No horseplay 
Disconnect when not in use 
Replacing drill bits 
Eye protection 
Good serviceability 
Protective caps fitted to cylinders
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11
Q

How are leak tests performed on oxygen systems?

A

Approved solutions

Bubbles

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12
Q

What is COSHH?

A

Control Of Substances Hazardous to Health

Employer

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13
Q

What is MSDS?

A

Material Safety Data Sheet

Employer

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14
Q

What are Risk Assessments?

A

Checks for hazards and risks

Carried out by qualified assessor

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15
Q

How can Dermatitis be prevented?

A

Barrier creams
Gloves
Remove oil or fuel soaked clothes

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16
Q

What must be done before carrying out work in fuel tanks?

A 
Tanks completely emptied 
Vented/purged 
Explosiometer check 
Safety man 
Alternating turns
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17
Q

What classifications of fires are there?

A 
Class A - wood, paper 
Class B - petrol, oils 
Class C - flammable gases 
Class D - metals 
Class F - cooking oils and fats 
Electrical fires
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18
Q

What extinguisher is suitable for what type of fire?

A

Water - class A
Carbon Dioxide - class B and electrical
Dry Powder - class B, C and D
Halon Class - B and C
Aqueous Film Forming Foam - class A and B - spills
Film Forming Foam Fluroprotein - better for deep pools

19
Q

What does AFFF stand for?

A

Aqueous Film Forming Foam

20
Q

What does FFFP stand for?

A

Film Forming Foam Fluroprotein

21
Q

Good tool control?

A

Tagging
Shadow boards
Barcodes

22
Q

Actions on an aircraft/engine fire?

A 
Shut down all systems 
Call emergency services 
Remove all equipment from area 
Assist fire service 
Recover aircraft 
Report to AAIB within 72 hours
23
Q

What is FOD?

How to prevent it?

A

Anything that could get sucked into the engine

Constant FOD checks carried out

24
Q

What is Tool Husbandry?

A

Keep them serviceable - lubrication
Inspection
Organised
Damaged tools to be discarded

25
Q

What quality of work should you strive for?

A

The highest quality

26
Q

What pressure is an aircraft engineer usually under?

A

High pressure
Time
Possibly distracted - personal problems

27
Q

How should long tubes or bars be stored?

A

Vertically to prevent bowing

28
Q

Under what conditions should aircraft materials be stored?

A

In suitable conditions specified in SRM

29
Q

What is the minimum material and component identification requirements?

A

Part number
Batch number
Certificate of conformity

30
Q

What systems of measurement are used today in aviation?

A

Imperial and metric

31
Q

What is general tolerance?

A

Usually given for all dimensions on a drawing and is stated in a printed box on the drawing

32
Q

How are individual tolerances expressed?

A

When the general tolerance is not appropriate, an individual tolerance is given. Individual tolerance of one part rather than general tolerance of whole drawing

33
Q

What is Nominal Dimension?

A

The exact dimension required in the design

34
Q

What is Tolerance?

A

An allowable manufacturing deviation from the Nominal Dimension

35
Q

What is Allowance?

A

A planned deviation form from the nominal or theoretical dimension.
The degree of allowance will give the type of fit for the two items i.e clearance fit, interference fit

36
Q

What are the difference between Mega and Micro?

Kilo and Milli?

A

Mega - 1x10^6
Micro - 1x10^-6

Kilo - 1x10^3
Milli - 1x10^-3

37
Q

What is a nautical mile?

A

Based on 1/60 of one degree of the earth’s circumference at the equator. Approx 6080 ft

38
Q

How many inches in a metre?

A

39.37

39
Q

How do you convert inches to millimetres?

Vice Versa?

A

Multiply by 25.4

Divide by 25.4

40
Q

What is a Parallax Error?

A

Eye not at the correct angle. When taking measurements with a scale, it should be held so that the graduation lines are as close as possible to the face.

41
Q

What are Feeler gauges?

Used for?

A

Made up of a number of thin steel leaves that fold into a handle like a pocket knife. These leaves can be inserted into a gap to measure the size. Can use 3 or 4 together

42
Q

What is a ball gauge?

Used for?

A

Devices fitted into a hole and adjusted to fit the hole snuggly. Gauge is then removed and diameter is measured to determine hole’s size

43
Q

What are the rules for “Marking Out?”

A

Never use lead pencil on titanium - cause cracking
Soft lead pencil on aluminium
Mark only once, only thin lines
Scriber markers only used for scribe lines, remove lines after

44
Q

What is a combination set?

Used for?

A

Ruler, protractor, centre head

Used for measuring straight lines and angles

Maintenance Practices (7 decks)

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