Mod 7 Exam Questions Flashcards
What colour is an oxygen cylinder used on an aircraft
A: Brown
B: Red
C: Green
C: Green
If oxygen bottle connections are lubricated with grease?
A: It may become a fire hazard
B: The grease will dissolve
C: It will cause condensation
A: It will become a fire hazard
A CO2 - fire extinguisher cannot be used on Electrical Fires?
A: True
B: False
C: Only if it is outside the aircraft
B: False
When drilling a hard material such as stainless steel?
A: Slower than aluminium is required
B: Faster speed than aluminium is required
C: The same speed as aluminium is normally used
A: Slower than aluminium is required
The metric system of measurement is?
A: The S.I. system
B: The imperial system
C: The NAS system
A: The S.I. System
Water can only be used on?
A: Class A fires
B: Class A+B fires
C: Class A+C fires
A: Class A fires
Which is the most accurate way of measuring a drill bit?
A: Micrometer
B: Vernier
C: Drill and Wire Gage
A: Micrometer
When would you use dimpling instead of countersinking?
A: When the material is too thin to countersink
B: Where access is limited
C: When the material is cladded
A: When the material is too thin to countersink
What is the name “Pork Chop” referring too?
A: Torque wrench
B: Drill attachment
C: Nothing at all
B: Drill attachment
The smallest HSS drill normally used is?
A: Size 1
B: Size 40
C: Size 80
C: Size 80
A safety precaution necessary while handling a pneumatic drill is to ensure
A: That the tool is only tightened in the chuck using one keyhole
B: That the drill motor does not start running with the key in the chuck
C: That the drill motor is running with the key in the chuck
B: That the drill motor does not start running with the key in the chuck
Why is coin dimpling method preferred when dimpling holes in sheet material
A: It is easier to fabricate a coin dimple
B: It produces a more satisfactory aerodynamic skin surface
C: There is less tooling required to fabricate a coin dimple
B: It produces a more satisfactory aerodynamic skin surface
When would you use Hot coin dimpling?
A: When the material is too thin
B: When the material is highly stressed
C: When the material is too weak
B: When the material is highly stressed
What is each single notch on a Micro-Stop measured in?
A: 1 inch
B: 0.100 inch
C: 0.001 inch
C: 0.001 inch
Which of the following is used to measure the bow in a pipe?
A: A go or not got gauge
B: A three point trammel
C: Adjustable thread calliper gauge
B: A three point trammel
What is the common drill angle to use when drill metal?
A: 40 degrees
B: 59 degrees
C: 75 degrees
B: 59 degrees
What is the most common drill bit used?
A: Taper
B: Drill reamer
C: Jobber
C: Jobber
What part of the micrometer are measurements indicated on?
A: Thimble
B: Lock Nut
C: Anvil
A: Thimble
A dial indicator is used to measure which of the following?
A: Indicate time
B: Measure shaft alignment
C: Measure shaft diameter
B: Measure shaft alignment
What are the words “Zerk / Tecalemit” referring to?
A: Sealant guns
B: Lubrication guns
C: Tyre inflation guns
B: Lubrication guns
Where would you find ATA chapter 49?
A: Section 1 MM General
B: Section 4 MM Power Plant
C: Section 2 MM Airframe Systems
C: Section 2 MM Airframe Systems
Temporary revisions to MM are printed on?
A: Blue paper
B: Yellow paper
C: Green paper
B: Yellow paper
Under the ATA system which chapter covers the windows
A: Chapter 57
B: Chapter 56
C: Chapter 58
B: Chapter 56
Under the ATA system which chapter covers Landing Gear
A: Chapter 32
B: Chapter 33
C: Chapter 34
A: Chapter 32
Under the ATA system which chapter covers Lights
A: Chapter 32
B: Chapter 33
C: Chapter 34
B: Chapter 33
A dash in beside the number in the item column in the IPC what does it mean?
A: The item is not shown in the drawing
B: The item is expensive
C: The item is not made any more
A: The item is not shown in the drawing
What information would you find on a detail drawing?
A: How to fabricate the part
B: How to assemble the part
C: How to install the part
A: How to fabricate the part
A revision to an engineering drawing would be found where in an orthographic drawing?
A: As a DDA in the notes column
B: In the revision block in the upper right hand corner
C: As a DDA in the revision block in the upper right hand corner
B: In the revision block in the upper right hand corner
Where would you usually find flag notes on a drawing?
A: General Notes Area
B: Title block
C: Revision block
A: General Notes Area
In a transition for the hole will be which of the following?
A: Bigger than the shaft
B: Smaller than the shaft
C: Can be either of the above
C: Can be either of the above
Where on a drawing will you find the general tolerance printed?
A: In the title block
B: In the revision box
C: In the notes area
A: In the title block
What does the letters ISO stand for?
A: International Systems Organisation
B: International Standards Organisation
C: International Safety Office
B: International Standards Organisation
What angle is used when drafting an isometric drawing?
A: 45 degrees
B: 60 degrees
C: 120 degrees
C: 120 degrees
What do the letter DDA stand for?
A: Detailed Dimensional Aspect
B: Douglas Drawing Association
C: Drawing Departure Authorisation
C: Drawing Departure Authorisation
What is the name given to the pages that follow all production drawings?
A: Station Marker Drawings
B: ADCN’s
C: Parts List
C: Parts List
When checking the size of a shaft is within limits using gap gauges?
A: The GO gauge is the upper limit
B: The NOT GO gauge is the upper limit
C: The GO gauge is the lower limit
A: The GO gauge is the upper limit
Which of the following is used to measure the bow in a pipe?
A: A go or not go gauge
B: A three point trammel
C: Adjustable thread calliper gauge
B: A three point trammel
There are three types of fits in engineering practices, which is the correct list?
A: Interference fit; loose fit; transition fit
B: Interference fit; clearance fit; transition fit
C: Clearance fit; transition fit; loose fit
B: Interference fit; clearance fit; transition fit
A clearance fit fastener is one which?
A: Is one which the shaft is smaller than the hole
B: Is one where the shaft is larger than the hole
C: Is not a true term in relation to fasteners
A: Is one which the shaft is smaller than the hole
What instrument can be used to measure bearing radial wear?
A: Vernier
B: Dial indicator
C: Optical micrometer
B: Dial indicator
When measuring breakaway torque on a bearing; what condition must the bearing be in?
A: Free of lubrication
B: Run at high speed
C: Fully lubricated and at high speeds
A: Free of lubrication
When might high intensity light beams be used at an airport?
A: Loss of communication with tower
B: When towing an aircraft
C: When visibility is very poor
A: Loss of communication with tower
If you tie down an aircraft using Manila rope what are the risks?
A: It shrinks if it gets too dry
B: It slackens off too much
C: It shrinks if it gets wet
C: It shrinks if it gets wet
What does the MME stand for in relation to an operator’s quality system?
A: Manual Maintains Equipment
B: Maintenance Management Exposition
C: Maintenance Manual Exposition
B: Maintenance Management Exposition
What voltage and frequency is supplied be a GPU?
A: A ground power unit supply’s 400 volts 115Hz
B: A ground power unit supply’s 115 volts 400 Hz
C: A ground power unit supply’s 220 volts 50 Hz
B: A ground power unit supply’s 115 volts 400 Hz
After opening the FWD passenger door white whiskers were found on the upper and lower edges of the door fold plates, what does this indicate?
A: That water stains are evident
B: The material is corroded aluminium
C: The material is corroded magnesium
C: The material is corroded magnesium
Vital structural members to be inspected individually are called?
A: Structural Significant Item (SSI)
B: Critical Structure (CS)
C: Non Critical Structure (NCS)
A: Structural Significant Item (SSI)
Corrosion measuring between .001” and .010” is classed as?
A: Light
B: Moderate
C: Severe
B: Moderate
Corrosion measuring below 0.001 is classed as?
A: Light
B: Moderate
C: Severe
A: Light
Corrosion measured greater than 0.010” is measuring as?
A: Light
B: Moderate
C: Severe
C: Severe
What type of defect will X-Ray inspection detect?
A: Disbonding and Delamination
B: Delamination only
C: Cracks and Corrosion
C: Cracks and Corrosion
What are the three types of damage on an aircraft?
A: Allowable damage, repairable damage and replacement of part
B: Repairable damage, non-repairable damage and replacement of part
C: Non-Allowable damage, component repair and repairable damage
A: Allowable damage, repairable damage and replacement of part
Define a TVC
A: The visible corrosion
B: Thorough visual check
C: Totally visual check
B: Thorough visual check
Which of the following is the best medium to use for blast cleaning aluminium skin?
A: Glass
B: Sand
C: Steel Balls
A: Glass
When installed, a lock bolt is held in position with?
A: A Nut
B: A washer
C: A crushable collar
C: A crushable collar
At BS 500A STR12 having removed corrosion what is considered the correct tool for dept evaluation?
A: Feeler Gauge
B: Vernier Callipers
C: Depth Dial Gauge
C: Depth Dial Gauge
During an inspection of a composite spoiler using X-RAY black spots were discovered - what does this indicate?
A: Water contamination
B: Corrosion Damage
C: Magnesium Deposited
A: Water contamination
Which of the following is important when checking for a bird strike?
A: Aircraft speed
B: Flight control position
C: Rudder Position
B: Flight control position
An aircraft in flight may have problems with its avionics, what is a possible problem area in relation to avionics damage in flight?
A: Not enough static discharge wicks on the belly
B: Badly mounted pitot static probes
C: High Interesting Radiated Fields (HIRF)
C: High Interesting Radiated Fields (HIRF)
Who produces a maintenance planning document (MPD) ?
A: The manufacturer
B: The FAA
C: The IAA
A: The manufacturer
Which of the following documents should accompany a class two product?
A: An export certificate of airworthiness
B: EASA form 1
C: Certificate of Conformity
B: EASA form 1
When checking the size of a shaft is within limits using gap gauges?
A: The GO gauge is the upper limit
B: The NOT GO gauge is the upper limit
C: The GO gauge is the lower limit
A: The GO gauge is the upper limit
A Clearance fit fastener is one which?
A: Is one where the shaft is smaller than the hole
B: Is one where the shaft is larger than the hole
C: Is not a true term in relation to fasteners
A: Is one where the shaft is smaller than the hole
An Interference fit fastener is one which?
A: Is one where the shaft is smaller than the hole
B: Is one where the shaft is larger than the hole
C: Is not a true term in relation to fasteners
B: Is one where the shaft is larger than the hole
What do you need to know when ordering the correct grip length rivets for a repair?
A: The over all size of the part, the number of rivets required
B: The material thickness, the diameter of the holes
C: The part of the aircraft to be worked on, the diameter of the holes
B: The material thickness, the diameter of the holes
On what section of the fastener quadrant will you find about welding?
A: NE section
B: SE section
C: SW section
B: SE section
Which of the following determines the hole diameter for a skin repair
A: Material Alloy
B: Thickness of the thinner sheet
C: If you have to use countersink or protruding head rivets
B: Thickness of the thinner sheet
When riveting a row of rivets what is the rule of thumb you can measure the bucked tails size to?
A: 1.3 times the diameter and 1 times the height
B: 1.5 times the diameter and 1 times the height
C: 1.5 times the diameter and the .5 times the height
C: 1.5 times the diameter and the .5 times the height
On a fastener quadrant where would you find information about grip length?
A: SW quadrant
B: NE quadrant
C: SE quadrant
B: NE quadrant
What is the advantage of using rivets on an aircraft over other types of fasteners?
A: They look better on the skin
B: They have better elasticity
C: They have a greater variety of sizes
B: They have better elasticity
What is the edge distance when riveting?
A: 4 to 5 times the diameter of the rivet
B: 2.5 to 4 the diameter of the thinnest sheet
C: 2 to 2.5 times the diameter of the rivet
C: 2 to 2.5 times the diameter of the rivet
What is the advantage of skin repairs done with direct riveting?
A: This method allows you to use larger rivet sizes
B: This allows you to use “Ice Box” Rivets
C: There is more of the impact used on the rivet
C: There is more of the impact used on the rivet
A factor which determines the minimum spacing between rivets is the?
A: Thickness of the thinnest sheet of material being riveted
B: Length of the rivets being used
C: The number of rivets required to be used in a repair patch
A: Thickness of the thinnest sheet of material being riveted
What is the minimum clearance between pipes tubing and hoses
A: 1/32
B: 3/32
C: 1/32 per 10 inches of pipe
B: 3/32
What is the maximum allowable angular mismatch for a flared pipe installation?
A: A deviation of 1.5 degrees
B: A deviation of 2 degrees
C: A deviation of 3.5 degrees
B: A deviation of 2 degrees
In relation to an aircraft bearing the term Brinelling relates to indentations on the ….?
A: On the bearing race caused by high dynamic load
B: On the bearing race caused by high static loads
C: On the bearing race caused by load reversal
A: On the bearing race caused by high dynamic load
In relation to a bearing, the term creep relates to?
A: Incorrect interference fit on the other or inner race
B: Indication of bluing on the elements and raceways
C: Indications of putting on the raceways
A: Incorrect interference fit on the other or inner race
Where would you find the part number of a bearing?
A: Outer face
B: Inner face
C: Thrust face
C: Thrust face
When aircraft chains are inspected for elongation, what is the maximum allowed?
A: A total of 4% over 10 ft lengths
B: 2% maximum in total length
C: 0.02% per 4 linkages
B: 2% maximum in total length
A non-reversible chain is used because it?
A: Has movement in one direction only
B: Can’t be put on the wrong way
C: is a non-return chain
B: Can’t be put on the wrong way
Pulling a cloth along a cable is mainly used for?
A: Cleaning only
B: Checking for fraying
C: Checking for excess lubricant
B: Checking for fraying
What bearing should be employed where heavy radial loads are required to be carried?
A: Standard ball bearing
B: Standard roller bearing
C: Spherical roller
B: Standard roller bearing
The maximum deviation of a control cable from a straight line
A: 2 degrees
B: 3 degrees
C: 4 degrees
B: 3 degrees
The bearing fitted on to control cable pulleys are?
A: Sealed and need no further lubrication
B: Temporarily sealed but require lubrication at regular intervals
C: Lubricated with aero shell fluid 1
A: Sealed and need no further lubrication
The number of threads which may be exposed in a turnbuckle after adjustment is?
A: Non relevant
B: Three threads minimum either side
C: Three threads maximum either side
C: Three threads maximum either side
Under what size is double flaring normally carried out on pipes?
A: Under 1/2”
B: Under 3/8”
C: Under 1”
B: Under 3/8”
When torquing when would you use the following ; TW = (TA)(L) ÷ D
A: When you’re extension is at an angle of + 15 degrees
B: When you are at -15 degrees
C: When you are at 90 degrees
A: When you’re extension is at an angle of + 15 degrees
When selecting a spot-facing tool the diameter of the pilot must be smaller by?
A: 1/32”
B: 1/16”
C: 1/64”
A: 1/32”
What is the max % you should only use the scale of a torque wrench to?
A: 20%
B: 50%
C: 80%
C: 80%
What is the common degree for countersinking used in aviation?
A: 82 degrees
B: 90 degrees
C: 100 degrees
C: 100 degrees
