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WorksheetsAMT 7A-04 LC Reviewer Midterm
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
What is the most common type of rivet used in aircraft construction?
a)
A. Blind rivet
b)
B. Pop rivet
c)
C. Solid shank rivet
d)
D. Tubular rivet
2.
What is the usual percentage of transverse pitch relative to the rivet pitch?
a)
A. 50%
b)
B. 60%
c)
C. 75%
d)
D. 90%
3.
What is the smallest allowable transverse pitch?
a)
A. 2 rivet diameters
b)
B. 2.5 rivet diameters
c)
C. 3 rivet diameters
d)
D. 3.5 rivet diameters
4.
What is the minimum spacing requirement for countersunk rivets?
a)
A. 2 times the rivet diameter
b)
B. 3 times the rivet diameter
c)
C. 3.5 times the rivet diameter
d)
D. 4 times the rivet diameter
5.
What is the minimum spacing requirement for protruding head rivets?
a)
A. 2 times the rivet diameter
b)
B. 3 times the rivet diameter
c)
C. 3.5 times the rivet diameter
d)
D. 4 times the rivet diameter
6.
What is the minimum spacing requirement for flush head rivets?
a)
A. 2 times the rivet diameter
b)
B. 3 times the rivet diameter
c)
C. 3.5 times the rivet diameter
d)
D. 4 times the rivet diameter
7.
What is edge distance also called by some manufacturers?
a)
A. Edge line
b)
B. Edge margin
c)
C. Edge boundary
d)
D. Edge space
8.
Why are solid shank rivets faster to install than bolts and nuts?
a)
A. They do not require any tools
b)
B. They adapt well to automatic, high-speed installation tools
c)
C. They are larger in size
d)
D. They require less precision
9.
What is a major limitation of using rivets in certain applications?
a)
A. High cost
b)
B. Difficulty in installation
c)
C. Low tensile strength relative to shear strength
d)
D. Lack of availability
10.
Which of the following is a head shape of a solid shank rivet?
a)
A. Hex head
b)
B. Flat head
c)
C. Square head
d)
D. T-head
11.
For which type of applications should rivets not be used?
a)
A. Thin materials
b)
B. Tensile applications
c)
C. Shear applications
d)
D. Decorative applications
12.
Which rivet head shape ensures a completely flush surface and is often used on the aircraft's skin?
a)
A. Flat Head
b)
B. Round Head
c)
C. 100° Countersunk Head
d)
D. Brazier Head
13.
Which rivet head shape offers a large bearing surface and higher shear strength?
a)
A. Flat Head
b)
B. Round Head
c)
C. 100° Countersunk Head
d)
D. Universal Head
14.
Which rivet head shape creates a flush surface to minimize aerodynamic drag on exterior surfaces like fuselage and wings?
a)
A. Brazier Head
b)
B. Flat Head
c)
C. 100° Countersunk Head
d)
D. Round Head
15.
Which rivet head shape provides a balance of strength and ease of installation, making it widely used across various aircraft structures?
a)
A. Brazier Head
b)
B. Round Head
c)
C. Flat Head
d)
D. Universal Head
16.
Which rivet head shape provides a larger bearing surface with a lower profile than round heads and is used in areas where moderate strength is needed?
a)
A. Brazier Head
b)
B. Flat Head
c)
C. 100° Countersunk Head
d)
D. Universal Head
17.
What is the AN code for a flat head rivet?
a)
A. AN426
b)
B. AN442
c)
C. AN430
d)
D. AN470
18.
What is the MS code for a round head rivet?
a)
A. MS20470
b)
B. MS20455
c)
C. MS20430
d)
D. MS20442
19.
What is the NAS code for a 100° countersunk head rivet?
a)
A. NAS1440
b)
B. NAS1097
c)
C. NAS1398
d)
D. NAS603
20.
What is the AN code for a universal head rivet?
a)
A. AN442
b)
B. AN430
c)
C. AN455
d)
D. AN470
21.
What marking identifies a rivet made from 2017 aluminum alloy?
a)
A. Dimple
b)
B. Raised dot
c)
C. Raised double dash
d)
D. Raised cross
22.
What marking identifies a rivet made from 2024 aluminum alloy?
a)
A. Raised double dash
b)
B. Raised cross
c)
C. Raised circle
d)
D. Recessed triangle
23.
What marking identifies a rivet made from 7050 aluminum alloy?
a)
A. Raised cross
b)
B. Raised circle
c)
C. Raised double dimples
d)
D. Recessed triangle
24.
What marking identifies a rivet made from Monel steel?
a)
A. Raised dot
b)
B. Dimple
c)
C. Raised double dimples
d)
D. Recessed triangle
25.
What marking identifies a rivet made from corrosion resistant steel?
a)
A. Raised cross
b)
B. Raised circle
c)
C. F
d)
D. C
26.
What marking identifies a rivet made from copper?
a)
A. Raised cross
b)
B. Raised circle
c)
C. F
d)
D. C
27.
What angle is the standard countersink designed to match?
a)
A) 90 degrees
b)
B) 100 degrees
c)
C) 110 degrees
d)
D) 120 degrees
28.
What do dimpling tools consist of?
a)
A) Hammer and anvil
b)
B) Male and female punch and die set
c)
C) Rivet cutter and bucking bar
d)
D) Countersink and hand riveter
29.
Which tool is most commonly used in airframe repair work?
a)
A) Hand riveter
b)
B) Pneumatic rivet gun
c)
C) Bucking bar
d)
D) Microshaver
30.
At what air pressure do pneumatic rivet guns typically operate?
a)
A) 50-60 psi
b)
B) 70-80 psi
c)
C) 90-100 psi
d)
D) 110-120 psi
31.
Which type of rivet squeezer combines air and hydraulic pressure?
a)
A) Hand rivet squeezer
b)
B) Pneumatic rivet squeezer
c)
C) Pneudraulic rivet squeezer
d)
D) Electric rivet squeezer
32.
Which rivet squeezer is ideal for smaller jobs or areas with limited access?
a)
A) Hand rivet squeezer
b)
B) Pneumatic rivet squeezer
c)
C) Pneudraulic rivet squeezer
d)
D) Hydraulic rivet squeezer
33.
What tool is used if the smoothness of the material requires specific tolerance for countersunk rivets?
a)
A) Microshaver
b)
B) Hand riveter
c)
C) Bucking bar
d)
D) Countersink
34.
What feature of a bucking bar is most crucial in preventing indentation?
a)
A) Its shape
b)
B) Its weight
c)
C) Its hardness
d)
D) Its length
35.
What is a primary consideration when selecting a bucking bar?
a)
A) Material
b)
B) Shape
c)
C) Color
d)
D) Brand
36.
What type of rivet squeezer is best suited for assembly line work?
a)
A) Hand rivet squeezer
b)
B) Pneumatic rivet squeezer
c)
C) Pneudraulic rivet squeezer
d)
D) Electric rivet squeezer
37.
Which of the following is a component of a microshaver?
a)
A) Cutter and stop
b)
B) Punch and die
c)
C) Rivet cutter and handle
d)
D) Pneumatic valve and nozzle
38.
What is the primary use of a countersink?
a)
A) Driving rivets
b)
B) Creating a flush surface for rivet heads
c)
C) Trimming rivets
d)
D) Cutting rivet holes
39.
What are the three types of rivet squeezers?
a)
A) Hand, pneumatic, and pneudraulic
b)
B) Hand, electric, and hydraulic
c)
C) Pneumatic, electric, and hydraulic
d)
D) Hand, manual, and electric
40.
What is the main advantage of a pneudraulic rivet squeezer?
a)
A) It is the lightest tool available
b)
B) It combines air and hydraulic pressure for powerful compression
c)
C) It requires no external power source
d)
D) It is only used for light-duty tasks
41.
Which of the following is NOT a factor in the repair layout for rivet installation?
a)
A. Number of rivets required
b)
B. Proper type of rivets
c)
C. Size of holes
d)
D. Color of the rivets
42.
What is the combined thickness of the materials to be joined plus the tail allowance called?
a)
A. Rivet length
b)
B. Rivet diameter
c)
C. Rivet strength
d)
D. Rivet pitch
43.
To determine the total length of a rivet to be installed, you need to consider the combined thickness of the materials to be joined plus:
a)
A. 0.5 times the diameter of the rivet's stem
b)
B. 1.0 times the diameter of the rivet's stem
c)
C. 1.5 times the diameter of the rivet's stem
d)
D. 2.0 times the diameter of the rivet's stem
44.
Given a total material thickness (T) of 0.25 inches and a rivet diameter (D) of 0.125 inches, what is the tail allowance?
a)
A. 0.125 inches
b)
B. 0.25 inches
c)
C. 0.1875 inches
d)
D. 0.375 inches
45.
Calculate the appropriate rivet length for materials with a total thickness of 0.25 inches and a rivet diameter of 0.125 inches.
a)
A. 0.3125 inches
b)
B. 0.375 inches
c)
C. 0.4375 inches
d)
D. 0.5 inches
46.
For structural applications, why is it important to use the same type of rivet or a larger size if the replacement rivet is less strong?
a)
A. To match the color
b)
B. To ensure proper fit
c)
C. To maintain structural integrity
d)
D. To reduce installation time
47.
When determining the type of rivet head to select for a particular repair job, you should refer to:
a)
A. The type used within the surrounding area by the manufacturer
b)
B. The color scheme of the aircraft
c)
C. The cheapest available option
d)
D. The personal preference of the technician
48.
What should always be consulted for the correct rivet type and material?
a)
A. The internet
b)
B. The maintenance manual
c)
C. A colleague
d)
D. The nearest hardware store
49.
What is the result of using a rivet length that is too short for the material thickness?
a)
A. It ensures a tighter fit
b)
B. It compromises the joint strength
c)
C. It makes the installation easier
d)
D. It reduces material costs
50.
Why is it important to determine the distances between the holes and the edges of the patch during repair layout?
a)
A. To ensure the patch looks symmetrical
b)
B. To prevent stress concentrations and ensure even load distribution
c)
C. To minimize the number of rivets used
d)
D. To match the existing hole patterns exactly
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