Block 1 Review
Anything that occupies space and has weight is what?
A.) mass
B.) matter
C.) molecule
B.) matter
Where are title blocks normally located on an aircraft drawing?
A. upper left-hand corner
B. lower left-hand corner
C. lower right-hand corner
C. lower right-hand corner
What type of pliers are typically used for twisting safety wire?
A. Round nose pliers
B. Duckbill pliers
C. Needle nose pliers
B. Duckbill pliers
The three types of screws are structural, ______ , and self tapping.
machine
True or False:
Aliphatic Naphtha can be used to clean acrylics and rubbers.
True
An aircraft bolt has an overall length of 1-1/2 inches, a shank length of 1-3/16 inches, and a threaded portion length of 5/8 inch. What is the grip length?
A. 0.3125 inch
B. 0.5625 inch
C. 0.8750 inch
B. 0.5625 inch
(grip length = shank - threaded portion)
What is tolerance?
Which of the following is not an appropriate use of a
center punch?
A. Removing rivets from holes
B. Transfer dimensions from a paper template to metal
C. Create an indentation to start a twist drill
A. Removing rivets from holes
What is carbon steel?
In most cases corrosion on an aluminum surface appears
as _____________
A. whisker like deposits.
B. white or grey powder.
C. a rough surface of varying colors.
B. white or grey powder.
An airplane flying a distance of 750 miles used 60 gallons of gasoline. How many gallons will it need to travel 2,500 miles?
A. 200
B. 325
C. 180
A. 200
True or False:
A removed section is a part that has a piece 'cut' away and turned 90 degrees to reveal the shape of the cross section, as well as to show internal features.
(The definition is for a revolved section)
Which number represents the vernier scale graduation of a micrometer?
A. .01
B. .001
C. .0001
C. .0001
The 'DD' letter designation is represented by two raised dashes. What type of aluminum alloy is it?
A.) 2117
B.) 2024
C.) 5056
B.) 2024
Which defect in aircraft finishes may be caused by adverse humidity, drafts, or sudden changes in temperature?
A. Orange Peel
B. Pinholes
C. Blushing
C. Blushing
What is the formula for power?
Power = Force × distance ÷ time
A dimension line is a ______, broken at the midpoint for insertion of measurement indications.
A.) heavy, dashed line
B.) medium weight dashed line
C.) a light, solid line
C.) a light, solid line
What is the difference between a tap and a die?
A tap is used to cut threads on the inside of a hole, while a die is for cutting external threads on round stock.
This quality of metal is particularly important to aircraft construction. It is the ability to be hammered, rolled, or pressed without cracking, breaking, or causing any other detrimental effect.
What is it?
Malleability
Polyurethane topcoats are known for their ability to withstand UV rays and can protect against environmental damage.
True
True or False:
An adverse loaded CG check is a weight and balance check to determine that no condition of legal loading of an aircraft can move the CG outside of its allowable limits.
True
What type of diagram is used to explain a principle
of operation, rather than show the parts as they
actually appear?
A. A pictorial diagram
B. A schematic diagram
C. An assembly drawing
B. A schematic diagram
What is the purpose of a countersink drill bit?
It cuts a cone-shaped depression around a hole to allow a rivet or screw to sit flush with the surface of the material.
What aluminum alloy designation indicates that the metal has received no hardening or tempering treatment?
A. 3003-F
B. 5052-H36
C. 6061-O
A. 3003-F
('F' indicates that the metal is 'as fabricated')
Fretting corrosion is most likely to occur:
A. when two surfaces fit tightly together but can move relative to one another.
B. only when two dissimilar metals are in contact.
C. when two surfaces fit loosely together and can move relative to one another.
A. when two surfaces fit tightly together but can move relative to one another.