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Worksheets

Fasteners

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.
Identify the screw....
a)
Flat Screw Head
b)
Oval Screw Head
c)
Pan Screw Head
d)
Truss Screw Head
2.

Identify the screw....

a)

Pan Screw Head

b)

Flat Screw Head

c)

Oval Screw Head

d)

Round Screw Head

3.
Identify the screw.....
a)
Hex Head
b)
Hex Washer
c)
Truss Screw Head
d)
Pan Screw Head 
4.
Identify the screw...
a)
Hex Head
b)
Socket Cap
c)
Hex Washer
d)
Button 
5.
What is this?
a)
Flat Screw Head
b)
Button
c)
Socket Cap
d)
Round Screw Head
6.

Washer

a)
b)
c)
d)
7.
A ____ is used to prevent a wheel or pulley from rotating on a shaft.
a)
key
b)
washer
c)
rivet
d)
nut
8.
In the thread note 3/8-16UNC-2A, the number 16 represents the
a)
Thread Tolerance
b)
Threads Per Inch
c)
Major Diameter
d)
Class of Fit
9.
When describing screw threads, the distance from a point on one thread to a corresponding point on the next thread is called the ____.
a)
root
b)
key
c)
pitch
d)
crest
10.
Nuts and bolts use ____ to distribute clamping pressure over a larger area.
a)
rivets
b)
cotter pins
c)
keys
d)
washers
11.
In the thread note 1/4-28UNF-2A, the fraction 1/4 represents the
a)
Class of fit
b)
Major Diameter
c)
Minor Diameter
d)
Pitch
12.
A ____ permits a bolt or nut to be tightened without damaging the work being joined.
a)
rivet
b)
cotter pin
c)
washer
d)
key
13.
What type of nut is this?
a)
Acorn
b)
Semifinished
c)
Slotted
d)
Wing
14.
What type of nut is this?
a)
Acorn
b)
Semifinished
c)
Slotted
d)
Wing
15.
What type of nut is this?
a)
Acorn
b)
Semifinished
c)
Slotted
d)
Wing
16.
What is D?
a)
Pitch
b)
Pitch Diameter
c)
Major Diameter
d)
Minor Diameter
17.
What is E?
a)
Pitch
b)
Pitch Diameter
c)
Major Diameter
d)
Minor Diameter
18.
What is B?
a)
Pitch
b)
Pitch Diameter
c)
Major Diameter
d)
Minor Diameter
19.
Thread series used to classify fine screw threads.
a)
UNC
b)
UNF
c)
UNEF
d)
Pitch
20.
The distance between two adjacent threads.
a)
Pitch
b)
Length of Engagement
c)
Detailed Representation
d)
Fastener
21.
Thread series used to classify coarse screw threads.
a)
UNC
b)
UNF
c)
UNEF
d)
UNEIEIO
22.
A device used to hold two or more parts together.
a)
Fastener
b)
Screw Thread Series
c)
Key
d)
Helix
23.
If a extractor breaks while removing a broken bolt :
a)
None of the answers listed
b)
the broken extractor should be drilled out
c)
it is almost impossible to remove
d)
the broken extractor should come out easily
24.
The higher the grade number of a bolt or nut, the higher the :
a)
flexibility of the bolt or nut
b)
weight of the bolt or nut
c)
None of the answers listed
d)
tensile strength of the bolt or nut
25.
___________ are designed to secure parts that are under various tension and sheer stresses.
a)
RTV sealant
b)
None of the answers listed
c)
Fasteners
d)
Chemical welds
26.
A _______ is a cylindrical piece of metal with a hexagon head on one end and a thread cut into the shaft at the other end.
a)
bolt
b)
screw
c)
None of the answers listed
d)
nut
27.

U.S. customary bolts are marked with __________ to indicate bolt grade. Metric bolts are marked with ______________.

a)

Lines; Numbers

b)

Numbers; Lines

c)

Lines; Symbols

d)

Symbols; Lines

28.

______________________ are metal rod with external threads on one end and a head on the other.

a)

Stakes

b)

Screws

c)

Bolts

d)

Tie Rods

29.

____________________are commonly used on plastic and sheet metal parts such as body trim, dashboard panels, and grills

a)

Bolts

b)

Glue

c)

Wing Nuts

d)

Sheet Metal Screws

30.

_____________ are stationary seal that fits into a groove between two parts

a)

Gaskets

b)

O-Rings

c)

Corks

d)

Synthetic Seals

31.

___________________ and _________________ are used between parts to prevent leakage of engine oil, coolant, transmission oil, and other fluids

a)

Gaskets

b)

Corks

c)

O-Rings

d)

Seals

32.

Badly smashed or stripped threads may be repaired with either a _______ or __________

a)

Tap; Die

b)

Plug; Tap

c)

File; Lock-Tite

d)

They can't be fixed

33.

What is the most permanent of all fasteners?

a)

Screw

b)

Zip-Tie

c)

Rivet

d)

Staple

34.

_____________ are soft, flexible material placed between parts to prevent leakage.

a)

Gaskets

b)

O-Rings

c)

Glue

d)

Tape

35.

are designed to remain in position though they can be removed.

a)

Permanent Fasteners

b)

Semi-Permanent Fasteners

c)

Temporary Fasteners

d)

Magic Fasteners

36.

What are the two classifications for threads in the Customary System?

a)

Unified National Course (UNC)

b)

Metric

c)

Unified National Fine (UNF)

d)

Left-hand

37.

What type of fastener is shown in the picture?

a)

Collar

b)

Spleen

c)

Nut

d)

Spline

38.
Which of the following is NOT a type of thread used on nuts and bolts?
a)
Coarse
b)
Metric
c)
Medium
d)
Fine
39.
A seal is used to prevent leakage between a stationary part and a moving part.
a)
True
b)
False
40.
A key fits into a slot cut in a shaft and a mating part, and keeps the part from turning on the shaft.
a)
True
b)
False

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