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Second Sem First Sem > AMT 2203 SIR PANGAN > Flashcards

AMT 2203 SIR PANGAN Flashcards

1
Q

The need for overhaul is a question that is answered with _________.

A

EXPERIENCE

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2
Q

The purpose of an overhaul is to return the engine to its _______________________

A

former operational capacity and undo these changes

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3
Q

4 most important changes that makes overhaul necessary

A
  1. Critical dimensions in the engine are change as a result of wear and stress
  2. Foreign materials accumulate in the engine
  3. Metal in critical parts in the engine becomes crystallizes. Making it more brittle.
  4. One or more parts may actually fail.
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4
Q

The recommended overhaul time is determined by the ________

A

MANUFACTURER

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5
Q

_________ of commercial aircraft are required to
follow this overhaul recommendation, otherwise
they will need to secure an FAA Certificate

A

Operators

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6
Q

The owner of a private aircraft may choose
disregard the overhaul recommendation until it
is actually needed, or he can opt for a _____________.

A

TOP
OVERHAUL

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7
Q

WHEN DOES AN ENGINE OVERHAUL BECOME NECESSARY?

A

With excessive wear and tear, oil consumption can increase, power can decrease, and the risk of failure can increase

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8
Q

An overhaul is not only about engine inspection and parts evaluation; it also deals with the _________ and ____________.

A

repair and replacement

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9
Q

Is the complete reconditioning of only
the cylinders, pistons, and valve operating mechanism.

A

TOP OVERHAUL

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10
Q

A ____________ implies an overhaul of those
parts on top of the crankcase without fully
disassembling the engine.

A

top overhaul

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11
Q

To provide for efficient overhaul operations so that engine overhaul can be accomplished at minimum cost to the aircraft owner

A

OVERHAUL SHOP

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12
Q

An ________________must be well organized

A

OVERHAUL SHOP

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13
Q

An overhaul shop can either be a _________ that handles a few engines at a time, or a ______ one that handles multiple engines at a time.

A

small shop
large

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14
Q

11 Overhaul process

A
  1. Receiving Inspection
  2. Disassembly
  3. Visual Inspection
  4. Cleaning
  5. Structural Inspection
  6. Dimensional Inspection
  7. Repair and Replacement
  8. Reassembly
  9. Installation
  10. Engine resting and run-in
  11. Prevention and Storage.
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15
Q

Every engine overhaul must be carried out in accordance
with the instructions given in the _______________________.

A

manufacturer’s overhaul
manual

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16
Q

The _________ of an aircraft engine has all the
information relating to the construction and design of
engine parts and has made numerous tests of the
assembled engine and its parts.

A

manufacturer

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17
Q

In the operation of the shop, it is important that adequate safety practices be exercised.

A
  1. Crowding should be avoided in the shop
  2. All Machinery must be in good repair condition
  3. Operators should wear safety shoes to prevent injury to their feet in
    case heavy equipment or parts are dropped.
  4. Proper types of fire extinguishers should be available to shop personnel.
  5. Adequate work station and bench provided.
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18
Q

Each ____________ provides very specific tolerances to which the engine parts must conform and provides general instructions to aid in
determining the airworthiness of the part.

A

engine manufacturer

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19
Q

When ________________ are concerned, the manufacturer
publishes a new minimum and serviceable dimension for all critical component parts

A

dimensional tolerances

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20
Q

When the _____________ signs the release for the return to
service for an overhauled engine, this certifies that the complete overhaul process has been performed using methods acceptable to the
Authority.

A

powerplant technician

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21
Q

The actual ____________ consists of reconditioning the engine’s cylinders by replacing or reconditioning the piston and piston rings, and reconditioning or plating the cylinder
wall and valve-operating mechanism, including valve guides if needed.

A

top overhaul

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22
Q

_____________ consists of the complete reconditioning
of the powerplant.

A

Major overhaul

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23
Q

A ________________ would require that the crankcase be disassembled per the FAA.

A

reciprocating engine

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24
Q

At regular intervals, an engine should be completely
_________, ____________, and _________.

A

dismantled, thoroughly cleaned, and inspected

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25
Q

The ____________ consists of determining the general
condition of the total engine as received, along with an
inventory of the engine’s components.

A

receiving inspection

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25
Q

The ____________ consists of determining the general
condition of the total engine as received, along with an
inventory of the engine’s components.

A

receiving inspection

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26
Q

The _____________ should be organized, and the appropriate manuals obtained and reviewed along with a review of the engine’s history

A

overhaul records

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27
Q

The general condition of the engine should be carefully
noted on the _______________.

A

receiving report

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28
Q

It is essential that every part be accounted for, because an owner may not be aware that certain parts or accessories were removed before the engine was delivered to the overhaul facility.

A

Inventory

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29
Q

Extensive records must be kept as the engine progresses
through the overhaul process.
The specific AD’s and SB’s must also be checked.
Checking of the Manufacturer’s TABLE OF LIMITS.

A

ORGANIZATION OF ENGINE RECORDS

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30
Q

The FAA _______________________ must be reviewed to ensure that the engine conforms to its type certification.

A

Type Certificate Data Sheet

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31
Q

The FAA _______________________ must be reviewed to ensure that the engine conforms to its type certification.

A

Type Certificate Data Sheet

32
Q

A ____________ is needed to determine the current condition of the
engine and its components.

A

visual inspection

33
Q

During an inspection, a checklist must be used that meets the scope and
detail of FAR __, Appendix __

A

43
D

34
Q

According to FAR 43 Appendix D, each person
performing an annual or
100hr inspection must inspect the engine as follows:

A
  • Engine Section
  • Studs and Nuts
  • Internal Engine
  • Engine Mount
  • Flexible Vibration Dampers
  • Engine Controls
  • Lines, Hoses, and Clamps
  • Exhaust Stacks
  • Accessories
  • All systems
  • Cowling
35
Q

___________________ precedes all other inspection procedures.

A

Visual Inspection

36
Q

___________________ precedes all other inspection procedures.

A

Visual Inspection

37
Q

11 Defects detected in engine parts

A
  1. Abrasion
  2. Brinelling
  3. Burning
  4. Burnishing
  5. Burr
    6.Chipping
    7.Corrosion
    8.Crack
    9.Dent
    10.Erosion
  6. Pitting
38
Q

An area of roughened scratches or marks.

A

Abrasion

39
Q

One or more indentations on bearing races, usually
caused by high static loads.

A

Brinelling

40
Q

Surface damage due to excessive heat.

A

Burning

41
Q

Polishing of one surface by sliding contact with a smooth,
harder surface.

A

Burnishing

42
Q

A sharp or roughened projection of metal.

A

Burr

43
Q

Breaking away of pieces of material, that is usually caused by excessive stress concentration or careless handling.

A

Chipping

44
Q

Loss of metal by a chemical or electrochemical action. The __________ products are easily removed by mechanical means.

A

Corrosion

45
Q

A partial separation of material.

A

Crack

45
Q

A small, rounded depression in a surface usually caused by the
part being struck with a rounded object

A

Dent

46
Q

Loss of metal from the surface by mechanical
action of foreign objects, such as grit or fine sand.

A

Erosion

47
Q

Small hollows of irregular shape in the surface, usually
caused by corrosion or minute mechanical chipping of surfaces.

A

Pitting

48
Q

______ in highly stressed areas can cause ultimate failure of the part. It is
imperative to examine areas that are highly affected by this damage.

A

Pitting

49
Q

Forces working in a _______ produce highly stressed areas which can eventually develop cracks, especially around mating and bearing
surfaces, mounting bosses, threaded holes and studs, openings, and structural fillet areas.

A

crankcase

50
Q

_______________ and ______________ should be closely examined for
smoothness and freedom of movement.

A

Ball bearings and roller bearings

51
Q

_________ and ____________ of aluminum bearing surfaces in the engine is usually acceptable if the damage is within the limits stated in the engine manufacturer’s overhaul manual

A

Scratching and light scoring

52
Q

A ___________ is usually the heaviest and most highly stressed part of an
aircraft engine.

A

crankshaft

53
Q

When a crankshaft is equipped with oil transfer tubes, check them for
_______.

A

tightness

54
Q

___________ must be checked for small cracks, corrosion, pitting, nicks, or other damage.

A

Connecting rods

55
Q

Check _________ carefully after cleaning to be sure all carbon is removed from the ring grooves and oil relief holes.

A

pistons

56
Q

In addition, you must remove all piston pin plugs and check the interior
surfaces of _________ for pitting and corrosion

A

piston pins

57
Q

the ________ must be free of carbon deposits and
paint.

A

cylinder

58
Q

_____________________ need to be checked for scoring, cracks, rocker shaft to shaft boss clearance and out-of-round conditions

A

Rocker shaft bosses

59
Q

The condition of the _____ on a camshaft directly influence an engine’s performance; therefore, you must examine the surfaces of
all camshaft _____ for irregularities such as feathered edges, abrasions, nicks, or upsets.

A

lobes

60
Q

Most horizontally opposed engines operate with __________________ that
must be disassembled, cleaned, and visually inspected during an overhaul.

A

hydraulic valve lifters

61
Q

Inspect ____________ for cracks and worn, pitted, or scored tips

A

valve rockers

62
Q

Depending on the particular component, replacement of
______________ such as bolts, nuts, studs, and screws
may be required by the overhaul manual.

A

threaded fasteners

63
Q

Depending on the particular component, replacement of
______________ such as bolts, nuts, studs, and screws
may be required by the overhaul manual.

A

threaded fasteners

64
Q

Small defects such as ____________ or ______ can be
dressed out with a small file, fine abrasive cloth, or
stone.

A

slight nicks or burrs

65
Q

One of the best methods to double check your visual inspection findings is to supplement them with one of the forms of ____________________.

A

nondestructive testing

66
Q

Nondestructive testing inspections

A
  • Magnetic Particle inspection
  • Dye-Penetrant Inspection
  • Eddy Current
  • Ultrasound
  • X-ray
67
Q

_________________ is a nondestructive test for defects open to the
surface in parts made of any nonporous material.

A

Dye penetrant inspection

68
Q

It is used with equal success on such metals as aluminum, magnesium,
brass, copper, cast iron, stainless steel, and titanium.

A

Dye penetrant inspection

69
Q

It calls for visual examination of the part after it has been processed, increasing the visibility of the defect so that it can be detected.

A

Dye penetrant inspection

70
Q

_____________ are composed of free electrons under the influence of an
induced electromagnetic field, that are made to drift through metal.
Different meter readings are seen when the same metal is in different
hardness states.

A

Eddy currents

71
Q

There are three basic ultrasonic inspection
methods:

A
  1. Pulse-echo
  2. Through Transmission
  3. Resonance
72
Q

____________________ makes it possible to locate defects in all types of materials.

A

Ultrasonic detection equipment

73
Q

____________________ makes it possible to locate defects in all types of materials.

A

Ultrasonic detection equipment

74
Q

_______________ is a method
of detecting invisible cracks and other defects in ferromagnetic materials, such as iron and steel.

A

Magnetic particle inspection

75
Q

X-rays can penetrate material and disclose
discontinuities through the metal or non-metal
components, making it an excellent inspection
process when needed to determine the structural integrity of an engine component.

A

RADIOGRAPHIC TESTING

76
Q

A __________ is a tool used to
control and apply a specific torque to a fastener such as a bolt or a nut.

A

torque wrench

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