KFUPM ME DEPARTMENT
ME 210-07 Quiz # 8 Term 052 (Chap # 13)
_____________________________________________
Name: _______________
ID # ________
Date: 2 May, 2006
Time Allowed: 20 Minutes
Problem # 1
Tick for the correct answer.
1.
The diameter of an imaginary cylinder passing though the threads to
make equal the widths of the threads and the widths of the spaces cut
by the cylinder, describes
a.
b.
c.
d.
2.
3A/3B represents a
a.
b.
c.
d.
3.
Metric threads
American National Threads
Sharp V threads
Square threads
The threads on the drawing can by shown by
a.
b.
c.
d.
5.
loose class of fit
general class of fit
Tight class of fit
not represent any class of fit
ACME threads are the modified form of the
a.
b.
c.
d.
4.
angle of the thread
major diameter
pitch diameter
minor diameter
detail, simplified, schematic representation
simplified, schematic representation
detail, schematic representation
detail, simplified representation
Which on e is a locking device from the following
a.
b.
c.
d
a bolt
a nut
a jam nut
a rivet
6.
What would be the radius of a woodruff key # 404 (write with well).
0.25 inches
Problem # 2 (Write unit where necessary)
For the thread 1.00 – 12 UNF 2B 4.0, answer the followings.
1.
Are threads external or internal? ______Internal
2.
What is the form of the thread?
Unified National Fine
3.
What is the major diameter?
__1.0 inch
4.
What is the pitch of the thread?
12 threads per inch
5.
What is the depth of the thread?
0.072169 inch
6.
What is the minor diameter?
0.85566 inch
7.
What is the length/depth of the threaded portion?
8.
Are threads fine or coarse?
9.
What is the tolerance grade of the thread?_______________2______
4.0 inch
Fine
Problem # 3 (Write unit where necessary)
For an internal thread M10 x 1.25
1.
What is the tape drill size?
____8.75 mm
2.
What is the major diameter?
____10 mm
3.
Are threads fine or coarse?
__Fine
KFUPM ME DEPARTMENT
ME 210-07 Quiz # 8 Term 052 (Chap # 13)
_____________________________________________
Name: _______________
ID # ________
Date: 2 May, 2006
Time Allowed: 20 Minutes
Problem # 1
Tick for the correct answer.
1.
The angle included between the sides of the thread is
e.
f.
g.
h.
2.
3A/3B represents a
a.
b.
c.
d.
3.
detail, simplified, schematic representation
simplified, schematic representation
detail, simplified, schematic representation
detail, schematic representation
Which on e is a locking device from the following
a.
b.
d
c.
6.
Metric threads
ACME thread
Sharp V threads
Square threads
The threads on the drawing can by shown by
a.
b.
c.
d.
5.
loose class of fit
general class of fit
Tight class of fit
not represent any class of fit
American National threads are the modified form of the
e.
f.
g.
h.
4.
counter sink angle
counter bore angle
angle of thread
angle of bolt
a bolt
a nut
a rivet
a set screw
What would be the thickness of a woodruff key # 404 (write with unit).
1/8 inch
Problem # 2 (Write unit where necessary)
For the thread 1.50 – 6 UNC 3A 5.0, answer the followings.
1.
Are threads external or internal? ___External
2.
What is the form of the thread?
Unified National course
3.
What is the major diameter?
1.50 inch
4.
What is the pitch of the thread?
6 threads per inch
5.
What is the depth of the thread?
0.10227 inch
6.
What is the minor diameter?
1.2945 inch
7.
What is the length/depth of the threaded portion?
8.
Are threads fine or coarse?
9.
What is the tolerance grade of the thread?_______3
Coarse
Problem # 3 (Write unit where necessary)
For an internal thread M48 x 2.0
1.
What is the tape drill size?
___45 mm
2.
What is the major diameter?
__48 mm
3.
Are threads fine or coarse?
__Fine
5.0 inch