Worksheets20250721 AMTBLK02 Final Study Guide
Total questions: 100
Worksheet time: 50mins
Refer to the electrical wiring chart provided and identify the greatest allowable length for a No.16 wire running from a bus to equipment in a 28-volt system, carrying a 25-ampere intermittent load with a 1-volt drop.
10 feet
8 feet
12 feet
What is the main function of an assembly drawing?
To display the position of individual parts in relation to others
To provide every possible view for clear representation of an object
To show the location of specific parts with relation to the other parts
Alodizing is a chemical process applied to aluminum alloys to enhance paint adhesion and to:
Relieve surface stress.
Increase corrosion resistance.
Make surface slightly alkaline.
What is the value of 27/32 minus 7/16?
1265
143
183
Write 7/8 as a percentage.
8.75 %
.875 %
87.5 %
The list that details all materials and components required for constructing or assembling a system, typically found in a drawing, is referred to as the:
Illustrated parts catalog
Illustrated parts breakdown
Bill of materials
What is the result of dividing 6587 by 2?
3933 R1
3393 R1
3293 R1
Operators can prevent corrosion by consistently performing which cycle?
Thorough knowledge of corrosion techniques
Keeping drain holes and passages open and functional
Cleaning, inspection, operational preservation, and lubrication
How often should aircraft in a mild environment undergo inspection?
45 calendar-days
90 calendar-days
15 calendar-days
What is the common name for the end of a solid shank rivet that is formed by using a bucking bar?
Machine head
Shop head
Tail end
Which FAA-approved document specifies the leveling method to be used during aircraft weighing?
Type Certificate Data Sheet.
AC 43.13-1B.
Manufacturer's maintenance manual.
Which three line widths or intensities are commonly used in most technical drawings?
Thin, medium, or thick
Small, medium, or large
Thin, medium, or large
What is the name of the corrosion that is a unique type of oxygen concentration cell, occurring on metal surfaces with an organic coating?
Pitting corrosion.
Filiform corrosion.
Surface corrosion.
Identify the appropriate cable size for a wire in a bundle, spanning 120 feet, with a continuous load from a bus to equipment in a 200-volt system, carrying 50 amperes?
8
10
6
Corrosion increases more rapidly under which condition?
Higher temperature with higher humidity.
Lower temperature with higher humidity.
Higher temperature with lower humidity.
A first-class lever has a 100 lbs. load and is placed 12” to the left of the fulcrum on the resistance arm. If there is a counterbalancing force of 20 lbs, what should be the length of the effort arm be to achieve equilibrium?
52
48
60
If an airframe or engine manufacturer issues a recommended corrosion inspection schedule and treatment program, which document takes priority over the Advisory Circular's recommendation?
The Advisory Circular takes priority over the manufacturer's program
The Federal Aviation Administration determines precedence on a case-by-case basis
The manufacturer's program takes priority over the Advisory Circular's recommendation
Chemical spot testing must be performed by
NDI Tech
Certified A&P Tech
Qualified personnel
Which of the following are the most widely used techniques for graphically illustrating objects?
Orthographic projections, Isometrics, Oblique and Perspective
Orthographic projections, pictorial drawings, diagrams, and flowcharts
Orthographic projections, Oblique, Cylindrical, and Auxiliary views
Which fundamental stresses must metals be able to endure?
Tension, Compression, Shear, Bending, Flaying
Tension, Compression, Shear, Bending, Torsion
Tension, Compression, Shear, Bending, Normalizing
Generally, sound moves through a gas more quickly than it does through a liquid.
False
True
Choose the decimal that is closest in value to 77/64.
1.2031
.08311
.8311
Which type of lines are used to show that part of an object is omitted from the drawing?
Leader lines
Outline
Break lines
The total piston displacement in a particular engine refers to
total volume of all cylinders
influenced by the compression ratio.
the volume displaced by all the pistons during one revolution of the crankshaft
What causes galvanic corrosion?
the contact of two dissimilar metals in the presence of an electrolyte
exposure to high temperatures only
the presence of non-metallic materials
lack of oxygen in the environment
Refer to the brake horse power chart provided and calculate the brake mean effective pressure for an aircraft reciprocating engine with a displacement of 1830 cubic inches (CID) that produces 1150 BHP at 2700 RPM.
195 psi
187 psi
180 psi
Before torquing nuts, what should be used to lubricate the bolt threads?
Nothing, they should be clean and dry unless specified by the manufacturer
A light coating of Molybdenum grease or alternate specified by the manufacturer
They should always be sprayed with a light-weight oil or alternate specified by the manufacturer
When removing or installing screws, cordless drills with screwdriver bits
Can be used to remove many screws
Can be used to install many screws quickly
Are not advised for screw removal or installation
What is the ratio between a gasoline fuel quantity of 200 gallons and another of 1,680 pounds?
5:7
2:3
5:42
Which of the following are considered simple machines?
levers, pulleys, and gears only
levers, inclined planes, pulleys, and gears
pulleys, and gears only
Which of the following statements is correct?
Corrosion is similar to erosion, which causes destruction by mechanical action
Corrosion is different from erosion, which causes destruction by chemical action
Corrosion is different from erosion, which causes destruction by mechanical action
What is the correct marking for ballast?
Permanent Ballast – Only Remove as Needed
Permanent Ballast – Do Not Remove
Permanent Ballast – Remove as Needed
A brittle compound, known as “purple plague”, is produced during the bonding of
Gold to aluminum
Silver to copper
Silver to gold
What is the correct use of running seals?
Packings used on moving parts to prevent internal and external leaks
To increase friction in machinery
To reduce the speed of rotating equipment
What is the result of dividing 268 by 4?
66
67 Remainder 1
67
How often should aircraft in a moderate environment be inspected?
every 45 calendar-days
every 15 calendar-days
Every 90 calendar-days
When inspecting the wheel well and landing gear sections, particular attention should be given to
water entrapment areas.
glass components.
magnesium wheels.
What are the four essential conditions required for corrosion to take place?
An anode & cathode, oxygen, electrolyte, an anode, and a cathode
An electrical contact between the anode & cathode, electrolyte, an anode, and a cathode
An electrical contact between the anode and cathode, electrolyte, oxygen and chemical reaction
Which hacksaw blade type is recommended for cutting solid stock aluminum, bearing metal, tool steel, and cast iron?
18 TPI
32 TPI
24 TPI
At sea level on a standard day, what would be the weight of a column of air with a 1 square-inch base extending up to the top of the atmosphere?
32 psi
14.7 lbs
0 lbs, air has no weight
At what intervals should torque wrenches undergo calibration?
Only when mandated by the FAA
At least annually
At least annually or right after it has been mishandled or dropped
From which direction are zone numbers read?
Top to bottom
Right to left
Left to right
Why are wing flap and spoiler recesses prone to corrosion?
they trap moisture and debris
they are exposed to high temperatures
they are made of non-metallic materials
they are always painted with anti-corrosive paint
For all bolt installations using self-locking or plain nuts, there should be at least ______ thread of the bolt extending beyond the nut.
Two
One
Three
Determine the square root of 124.9924.
1,118 x 10 to the negative second power.
1118 x 10 to the negative third power.
111.8 x 10 to the third power.
How is the locking action achieved in a nylon-type locknut?
By making the threads in the nylon insert slightly smaller than those in the main load-bearing section
The use of an unthreaded nylon locking insert
By securing a nylon insert firmly at the base of the load-bearing section
What is the greatest total height allowed for stacked washers?
1/4 inch
1/8 inch
No more than one washer can be used
Significant pitting can occur when dissimilar metals come into contact in the presence of a conductor. What is this type of corrosion called?
Concentration cell corrosion.
Dissimilar metal corrosion.
Filiform corrosion.
In metalworking, what is meant by the term “Extruding”?
A process where metal is shaped using a hammering effect.
A process in which metal is heated and poured into a mold.
A process in which heated metal is pushed through a pre-shaped die.
Which types of diagrams are most commonly found in aircraft manuals?
Schematic and installation diagrams
Block and wiring diagrams
Schematic and wiring diagrams
What is the sum of the allowable variation from a given measurement called?
Dimension
Tolerance
Allowances
The frequency of corrosion inspection depends on:
The number of aircraft in the fleet.
The aircrafts operating environment.
When the technician decides to do it.
Select the fractional equivalent for a 0.0625' inch thick sheet of aluminum.
3/32
11/64
1/16
Torque wrench should be calibrated at least _________.
Twice a year
Once a year
Quarterly
When reading whole numbers they are read left to right the fourth position to the left is.
Thousands
Tenths
ones
Alclad consists of:
Pure aluminum surface layers on an aluminum alloy core.
A homogeneous mixture of pure aluminum and aluminum alloy.
Aluminum alloy surface layers and a pure aluminum core.
Select the correct tool used for checking swaged terminals for proper compression.
Terminal compression card
Go-No-Go gauge
Yes-No-Yes gauge
1 x 3
0
3
1
Which of the following lists the three methods of metalworking?
Hot working, Cold working, Forging
Hot working, Cold working, Pressing
Hot working, Cold working, Extruding
The Jo-Bolt consists of three parts and they are
Threaded steel-alloy bolt, a threaded steel nut, and an expandable stainless-steel sleeve
Threaded aluminum alloy bolt, a threaded aluminum nut, an expandable stainless-steel sleeve.
A four-cylinder aircraft engine has a cylinder bore of 3.78 inches and is 8.5 inches deep. With the piston on bottom center, the top of the piston measures 4.0 inches from the bottom of the cylinder. What is the approximate piston displacement of this engine?
235 cubic inches.
360 cubic inches.
200 cubic inches.
In aircraft drawings, what are lines used for?
To show the actual size and shape of the components
To show a simplified relationship of a more complex system of components
To show dimensions and hidden surfaces and to indicate centers
Aircraft operating in a severe environment should be inspected every
15 calendar-days
90 calendar-days
45 calendar-days
What kind of pictorial drawings show an object as it appears to an observer?
Oblique drawings
Perspective drawings
Isometric drawings
What are the two types of flowcharts used most frequently in the aviation industry?
Troubleshooting and logic flowcharts
Fuel consumption and wiring flowcharts
BMEP charts and cable tension vs temperature charts
The name given to the most common corrosion effect on aluminum and magnesium alloy is?
Pitting
Concentrated cell
Uniform etch
A factor having an accelerating effect on the rate of corrosion is?
The presence of microorganisms
The more noble the metal
Dry environment
Finish marks are used to indicate that the surface must be
Machine finished
Chromium plated
Corrosion resistant
Titanium is the only non-ferrous metal that can be:
Tempered
Annealed
Case Hardened
Find the value of 10 raised to the negative sixth power.
0.0000001
0.000001
0.00001
What is the difference between “speed” and “velocity”?
“Velocity” refers to how fast an object is moving, “Speed” refers to how fast an object moves and the direction it is moving.
None, they are the same
“Speed” refers to how fast an object is moving, “Velocity” refers to how fast an object moves and the direction it is moving.
There are three main types of rotor head systems in use today. They are Rigid Rotor, Semi Rigid and _________.
Fully Articulated
Extra Flexible
Flexible
What kind of sectional drawing has the cutting plane extending only halfway across the object, leaving the other half of the object as an exterior view?
Removed section
Revolved section
Half section
What is meant by the term “Alloy” when referring to metals and why is it used?
An alloy is a combination of two or more metals in various percentages, used to create desired properties that would not exist in their unmixed state
Alloy is a means of treating metal to make it resistant to malleability
Alloy is the treatment of a given metal that contains only very minimal impurities
Internal wrenching bolts are fabricated from high-strength steel and are suitable for
for shear application only
for tension application only
use in both tension and shear application
A B-nut fitting on a fluid line needs to be tightened, which type of wrench would be the most appropriate for this situation?
Flare nut wrench
Adjustable wrench
Open end wrench
When space is limited and two views must be shown, symmetrical objects are often represented by:
Complete views
Half views
Top views
Exfoliation corrosion
is an advanced form of intergranular corrosion and shows itself by lifting up the surface grains.
is an attack along the grain boundaries of an alloy.
involves a constant or cyclic stress acting in conjunction with a damaging chemical environment.
What is the square root of 4 raised to the fifth power?
64
20
32
What symbols are usually shown on a drawing as a revolved or removed section?
Shape symbols
Electrical symbols
Material symbols
Presently, Jo-Bolts are available in four diameters.
3/16, 5/16, 3/8, & 7/16
3/16, 1/4, 5/16, & 3/8
3/16, 1/4, 5/16, & 7/16
The possibility of an inflight mishap or excessive down time for structural repairs mandates
An active corrosion prevention and control program
Periodic thorough cleaning, lubrication and preservation
A&P technician be familiar with the different types of corrosion
Using the provided electrical wiring chart, determine the cable size of a 50-foot length of single cable in a bundle, with a continuous rating in a 28-volt system with a 20-ampere load.
8
6
10
Most corrosion can be prevented by using some of the following preventative measures:
draining fuel tanks daily, cleaning glass and windows daily, parking the aircraft in the hangar daily, and servicing the engine after each flight.
covering the aircraft with a tarp, keeping the cabin and engine bays warm in cold weather, changing engine oil frequently, and keeping the tires inflated.
adequate cleaning, keeping drain holes clear, and a daily wipe down of exposed critical areas.
What are the two types of screwdrivers commonly used on recessed head screws with a “cross” slot?
Phillips & Davis
Phillips and Reed & Prince
Phillips & Stevens
In what prominent location is the title block of an aircraft drawing usually found?
Top right corner
Lower right corner
Lower left corner
What kind of drawing is a combination of the views of an orthographic projection and tilts the object forward so that portions of all three views can be seen in one view?
Isometric drawings
Oblique drawings
Perspective drawings
In areas where vertical space is limited, what type of screwdriver may be used?
Offset
Inverted
Impact
Graphs and charts are frequently used for what purpose?
To convey information graphically or information given certain condition
To serve as a visual display of information given certain conditions
To serve as a troubleshooting tool for the detection of trouble conditions
Select the conditions that must exist before electrochemical corrosion can occur.
Anode, Cathode, Electrolyte, Electrical contact
Anode, Cathode, Pathode, Electrode
Anode, Cathode, Electrolyte, Pathode
Bolts requiring non-destructive inspection (NDI) by magnetic particle inspection are identified by means of
Colored lacquer, or head markings
Bolts series
Bolts fits
If a print has more than one sheet and each sheet has the same number, this information is included where?
In the title block
In the number block
In the revision block
Select the conditions that must exist before electrochemical corrosion can occur.
Anode, Cathode, Electrolyte, Electrical contact
Anode, Cathode, Electrolyte, Pathode
Anode, Cathode, Pathode, Electrode
What kind of sectional view is used when the interior construction or hidden features of an object cannot be shown clearly by exterior views?
Full section
Removed section
Half section
Testing method that uses heat-generated emissions to detect corrosion and moisture in adhesive-bonded metal honeycomb structures is call
Acoustic Emission Testing
Ultrasonic Inspection Testing
Eddy Current Inspection Testing
Why is a plastic surface flushed with water before it is cleaned with soap and water?
To prevent softening the plastic.
To prevent scratching.
To prevent crazing.
Before weighing an aircraft, what should be used as reference material in determining relevant aircraft specifications for the aircraft undergoing weight and balance
FAA Type Certificate Data Sheet
Manufacturer’s Illustrated Parts Catalog
Manufacturer’s Maintenance Manual
Who is responsible for performing the preflight inspections?
The A&P Mechanic
The Pilot
The A&P Mechanic with an IA
A pictorial drawing of two or more parts that fit together as an assembly is what kind of view drawing is it?
Assembly drawings
Installation drawings
Exploded view drawings
6587 - 56 =
6513
6135
6531
