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WorksheetsT1007R-FASTENERS
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
A ____ is used to prevent a wheel or pulley from rotating on a shaft.
a)
key
b)
washer
c)
rivet
d)
nut
2.
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
3.
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
4.
Nuts and bolts use ____ to distribute clamping pressure over a larger area.
a)
rivets
b)
cotter pins
c)
keys
d)
washers
5.
A ____ is threaded on both ends.
a)
cap screw
b)
stud bolt
c)
machine screw
d)
machine bolt
6.
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
7.
Using a length of engagement of 1.5 x D, what would the required length of engagement be for a 1/2” screw be?
a)
.625
b)
1.000
c)
.563
d)
.750
8.
A ____ permits a bolt or nut to be tightened without damaging the work being joined.
a)
rivet
b)
cotter pin
c)
washer
d)
key
9.
Which of the following is not a common type of washer?
a)
countersunk
b)
internal-external
c)
split lock
d)
pull mandrel
10.
Using the formula H=3/4D for the height of a bolt head, what is the height of a bolt head for a 2” bolt?
a)
.75
b)
.50
c)
2.50
d)
1.50
11.
Using the formula T=7/8D for the thickness of a nut, what is the thickness of a 1” nut?
a)
1
b)
7/8
c)
1 1/2
d)
The square root of 8,654,468,842,123,651,784
12.
What type of nut is this?
a)
Acorn
b)
Semifinished
c)
Slotted
d)
Wing
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.
What is C?
a)
Pitch
b)
Pitch Diameter
c)
Major Diameter
d)
Minor Diameter
20.
Threads are drawn to look like actual threads.
a)
Detailed Representation
b)
Schematic Representation
c)
Simplified Representation
d)
Key
21.
Symbols are used to represent threads.
a)
Detailed Representation
b)
Schematic Representation
c)
Simplified Representation
d)
Key
22.
Object and hidden lines are used to represent threads.
a)
Detailed Representation
b)
Schematic Representation
c)
Simplified Representation
d)
Key
23.
The axial distance over which an internal and external thread are in contact.
a)
Length of Engagement
b)
Key
c)
UNC
d)
Fastener
24.
A small piece of metal partially fitted into a shaft and a hub to prevent rotation.
a)
Key
b)
UNC
c)
Pitch
d)
Screw Thread Series
25.
The basic shape of a screw thread, formed by a point curve that wraps around a cylinder in a spiral.
a)
Helix
b)
Pitch
c)
Fastener
d)
Simplified Representation
26.
Standard specification groupings used to classify different types of screw threads.
a)
Screw Thread Series
b)
Fastener
c)
UNC
d)
Key
27.
The largest diameter of a thread.
a)
Major Diameter
b)
Minor Diameter
c)
Pitch
d)
Screw Thread Series
28.
Thread series used to classify fine screw threads.
a)
UNC
b)
UNF
c)
UNEF
d)
Pitch
29.
The distance between two adjacent threads.
a)
Pitch
b)
Length of Engagement
c)
Detailed Representation
d)
Fastener
30.
The smallest diameter of a thread.
a)
Minor Diameter
b)
Major Diameter
c)
Pitch
d)
Schematic Representation
31.
Thread series used to classify coarse screw threads.
a)
UNC
b)
UNF
c)
UNEF
d)
UNEIEIO
32.
A device used to hold two or more parts together.
a)
Fastener
b)
Screw Thread Series
c)
Key
d)
Helix
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