MODULE 9 – HUMAN FACTOR

1.Impact of human factor and human error 

– equally important to technician, engineer, planner and manager

2.Organization culture (bad/good) 

– the way we do things here

3.Purpose of human factor 

– optimize personnel and system

4.Color blindness

 – red and green

5.Peripheral vision detected by

 – rod

6.Responsibility: obligation of individual to perform his best and be

 – accountable over his independent act decision

7.Conform to others 

– peer pressure

8.Long shift 

– decrease to recognize fault

9.What is important in sleep

 – quantity and quality

10.White finger

 – finger disorder caused continuous use of pneumatic tool

11.Task lighting in hangar are mainly

 – portable light

12.Hand-over job 

– written, verbal and walk through

13.Maintenance personnel can make their knowledge up to date by

 – refer to MM amendment

14.Human factor point of view, small changes to the technologies and procedure can cause

 – minor changes in the MM

15.If maintenance personnel do away from procedure

 – regular violent

16.In SHELL model, interpretation and writing of MM is under 

– software

17.Not install seal in one of a/c component

 – make an error of omission

18.The hub of SHELL model

 – liveware

19.EMERS 

– error report form

20.When carrying out a risk assessment 

– investigate where the equipment might fail

ESSAY

1.Differentiate between human error and violation

2.State 4 consequences (result to) human error

3.a)Explain SHELL model. Give explanation/meaning to each letter

b)Draw SHELL model to show the relationship between each letter. List 2     

Examples of each letter

c)Each SHELL letters may have deviation and errors. Explain potential error 

Which are related to each letter?

MODULE 8 – BASIC AERODYNAMIC

1.Passenger aircraft fly at 

– troposphere

2.Ambient pressure at sea level 

– 1013.25 milibars

3.Pressure decrease 

– temperature decrease

4.Temperature lapse rate

 – 1.98ºC at every 1000 ft

5.Bernoulli’s theorem the sum of 

– potential energy, pressure energy and kinetic energy is constant

6.Mean camber line 

– line equidistant from top surface  and bottom surface

7.Airflow thru the convergent duct causes

 – increase in velocity and decrease in pressure

8.What is angle of attack 

– angle between chord line and relative airflow

9.When lift increase in an aerofoil 

– centre of pressure moves forward

10.Which is true statement 

– lift act at right angle of the relative air flow and weight is vertically down

11.In an aerofoil formula, co-efficient of lift  is depend on 

– aerofoil shape and the angle of attack

12.Transition point at the wing is 

– separation of boundary layer from laminar flow to the turbulent flow

13.If a aircraft engine losses power it will 

– nose pitch down

14.Induced drag varies with

a)Square of the speed

b)Inversely proportional to the square of the speed

15.All 3 axis is thru

 – C of G

16.Lateral stability can be achieved by 

– main plane dihedral angle

17.High aspect ratio

 – decrease in induced drag 

18.What instability of yaw and roll 

– Dutch roll

19.Wash out

 – decrease of incidence from root to wing tip

20.Vapour trail at wingtip during the flight caused by 

– high pressure at the bottom wing and low pressure at the top wing  which causes the vortices

MODULE 7 – MAINTENANCE PRACTICES

1.Bench vise is classified by 

– width of the jaw

2.Central head of a combination set is to – 

3.2 surface 90º and 45º  

4.To scribe a line parallel to the edge

 – hermaphrodite caliper

5.Aircraft brake fire must be extinguished with 

– dry powder

6.To tow nose wheel steering system, it is essential to – 

a)ensure nose wheel steering system is fully pressurized

b)ensure nose wheel steering system disconnect

c)ensure centralizer engaged

7.Class C fire is 

– electrical fire

8.Procedure to jack aircraft to a level position 

– jacking laterally, longitudinally then recheck laterally

9.ATA chapter for ‘servicing’

 –ATA 12

10.Drawing must be drawn according to standard 

– BS 308

11.Pictorial view

 – isometric

12.Minimum rivet to the edge 

– 2D

13.Dimensional inspection of bearing on rocker arm –

a)depth gauge and micrometer

b)telescopic gauge and micrometer

c)‘thickness’ and push fit arbor

14.Maintenance to restore the item to satisfactory condition –

a)prevention maintenance

b)corrective maintenance

15.Major and minor modification is depends on

 – effect on the airframe and powerplant

16.Purpose of the continuity check –

a)check the continuity of electrical circuit

b)check the resistance value of electrical circuit

17.Tubing bend 

– to prevent excessive stress on tubing

18.Tubing 

– not in the heel of the bend

19.Vernier micrometer 

– 0.0001

20.What is allowance –

21.1.5” of shaft, 1.449” of hole 

– push fit

22.Clearance –

23.Tap for finishing 

– plug tap

24.Refueling cannot be carried out when –

a)within 30m (100ft) 

b)radar functioning

25.Inspection hole of turnbuckle

 – safety of turnbuckle

26.Bearing prepacked with anti freeze grease 

– rejected

27.Rivet clearance 

– different of diameter hole and rivet

28.1st angle projection 

– plan view below front view

29.Thimble in micrometer

 – 50

30.Fire extinguisher for magnesium metal fire 

– carbon tetrachloride

31.References used for lubrication

 – maintenance manual

32.Chemical fluid to clean up bearing

 – white spirit

33.Type of drawing where both side are the same 

– symmetrical drawing

34.Skydrol get into the eyes 

– wash immediately

35.Tolerance –

36.Schematic diagram 

– wiring

37.To show relationship of 2 or more parts and subordinate assemblies

 – assembly drawing

38.On an inch micrometer, one revolution of thimble from zero point reading will produce

 – a gap of 0.025 between anvil and spindle

39.Pliers are classified by

 – type and overall length

40.Pliers are used to 

– grip small objects

41.Vee block is used to

 – hold round work for laying out

42.Insulation test –

a)resistance of insulator

b)resistance of resistor

c)high current

43.Bonding wire

 – control surface are interfered

44.Not to exceed 0.003 ohm

45.Less than 75 wires or 1 ½ to 2 inch in diameter

46.Hammer is classified by – 

a)width of jaw

b)the weight

c)brand

47.If a mallet is used to tap bolt into a hole, then it is considered to be – 

48.To remove a bearing, it is permissible to use – 

49.Sagging is a process of – 

Essay:-

1.a)What is abnormal event report?

b)Check to be conducted due to heavy landing.

2.Short notes on

a) lead of a screw thread

b) swaging

c) bonded store

c) ATA 100

d) de-icer boot

3.5 defects on the following parts

a)control cable

b)bearing

c)rivet plate

4.List the process of crimping using terminal lug

MODULE 6 – MATERIAL & HARDWARE

1.The ability of a material to resist tensile load

 – tenacity 

2.Iron with 4% of carbon 

– cast iron

3.Content of carbon in high carbon steel 

– 0.6% to 1.5%

4.The characteristic of vanadium

 – has impact resistance

5.AN 3120 

– nickel chromium, 1% major alloy, 0.2% carbon

6.Tempering 

– relieves stress to hardened the steel

7.Aluminum 7075 refers to

 – zinc 

8.What does T6 in the 4th digit of aluminum alloy represents 

– heat treated and artificial ageing

9.Why is composite materials used in primary and secondary structures

 – orientation

10.Condition where the resin is less than the composite 

– resin starved

11.Process of sealant are 

– interfay, fillet, final brush

12.Why sitka spruce is used

 – uniformity of strength

13.What is the example of organic fabric 

– linen

14.Defect along the grain, on the growth ring

 – shake

15.Function of dope 

– tautening and protect the fabric

16.Integration of metal to its salt and oxide is termed as 

– corrosion

17.Metal that is more anodic to aluminum is 

– magnesium

18.Corrosion because of improper heat treatment 

– intergranular corrosion

19.The pitch of screw thread is 

– from crest to crest axially

20.The screw jack normally having 

– square thread

21.The American National Thread (ANF) has a thread angle of 

– 60º

22.Bolt that has the part number of AN 6 – 4 has the length of 

– ½”

23.Bolt that has thread at the both ends 

– stud

24.What is an Ezy out 

– tools to remove broken stud or bolt

25.Spring washer can be used 

– more than once

26.How to lock Dzus fasteners 

– 1/4 clockwise

27.The part number of countersunk rivet 

– AN 426

28.What is blind rivet

 – rivet that cannot excess from opposite side

29.What is 2024 

– DD rivet

30.Disadvantage of flared end fittings

 – fatigue crack at the flare end

31.Cylindrical roller bearing carry the load of

 – radial load

32.Bevel gear is used to 

– changing direction of drive

33.Pitch of chain is measured 

 - from center roller to the center of adjacent roller

34.7x19 cable has

a)19 wires, 7 strands

b)7 strands, 133 wires

35.Teleflex has

 – compression and tensile load

36.Common conductor

 – aluminum and copper

37.MS 3100 

– wall receptacle

38.Tool that is used to crimp 

– crimping tool

39.Cable that transmit power from igniter to the engine 

– high tension cable

40.NYVIN is the combination of

 – nylon and polyvinyl chloride

41.One method to produce steel is by

 – add carbon to wrought iron

42.Mild steel is 

– low carbon steel

43.Heat treatment process consist of 

– heating, soaking, quenching

44.Lower critical temperature for straight carbon

 – 725º

45.Aluminum alloy coated with pure aluminum is called 

– alclad

46.True statement 

a)Non-heat treated can be annealed

b)7075 can be solution heat treated, tempering and annealling

47.Pre-preg

 – fabric that is already impregnated with resin and is ½ cured

48.Hybrid 

– mixed of layer of advanced composite

MODULE 2 Physics

1.The total number of proton and neutron is called
– mass number of an element

2.A slug is a unit of
– mass for English system

3.2 different elements can never be the same number of
– proton

4.The mass of neutron is
– much greater than the mass of electron

5.The SI unit of force is
– Newton (N)

6.The definition of stress
– force over area

7.The definition of high malleability
– the ability to become a thin sheet by hammering / passing thru a roller

8.Relationship between the buoyant force which exerted in submerged body and weight of submerged body displaces
– buoyant force equal to the weight of the fluid the body displace

9.Force that tends to cause twisting or angular displacement about the longitudinal axis
– torsion

10.Impulse is the product of
– force and time interval

11.Precession of a gyro is
– inversely proportional to the moment inertia of rotor and angular velocity of rotor

12.Calculate the kinetic energy of an object with mass = 4kg, velocity = 3msˉ¹
– 18 Joule

13.A boy pushes a box using a force of 100N over a distance of 2m in 5sec. What is the power generated by him? –
40 watt

14.Define specific gravity of a substance
– density of a substance over density of water of equal volume

15.Temperature of 77ºF is equal to
– 25ºC

16.Temperature of 113ºF is equal to
– 318ºK

17.A length of a ruler of 100cm has center of gravity of
– 50cm

18.A mass of an object of 10kg is lifted thru a distance of 4m on a planet where g = 6msˉ². Calculate the work
– 240 Joule

19.Definition of 1 calorie
– 4.186 Joule or amount of heat needed to raise the temperature of 1 g of water by 1ºC

20.Acceleration of the earth of this orbit around the sun points
– straight in toward the sun

21.Which of the following statement is not true about temperature
– temperature flow from the hotter part to the colder part

22.If fluid moves freely, it has
– low viscosity

23.Which of the following shows that force can change the shape of an object
– a balloon pressed in the center

24.A boat thrust backward as we move forward, it is due to
– Newton’s 3rd law

25.When a car drive in a level straight away and suddenly hit the brake, what is the acceleration vector poin
ta)opposite direction to the car traveling
b)the same direction to the car traveling

26.According to the law of momentum, in an ideal closed system
– when 2 object collide, neither gain or lost of energy

27.Which have not an effect to the momentum of the moving of spherical object
– diameter

28.Which is not always true – acceleration is always points in the same direction with the velocity

29.A ball is put on the floor did not move when a rope attached to it is placed because
– great number of gravitational force

30.Velocity has 2 components. What are they?
a)Magnitude and direction
b)Distance and time