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2014 Applied Machining 1

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 


You can remove burrs on the cutting edges or teeth of reamers with a(n)
a.
india stone
b.
emery board
c.
fine file
d.
crocus cloth
 

 2. 


Cold-forming or fluteless taps are use for tapping ___ material.
a.
malleable
b.
ductile
c.
hard
d.
brittle
 

 3. 


An ideal tap for most jobs is the ___ tap.
a.
fluteless
b.
cold-forming
c.
spiral-fluted
d.
spiral-point or gun
 

 4. 


The purpose of a steady rest or center rest is to support the
a.
center of a long boring bar
b.
end of a long workpiece
c.
workpiece where it's being cut
d.
small end of a mandrel
 

 5. 


The most common form of precision threads for moderate power transmission is the ___ thread.
a.
buttress
b.
acme
c.
crown
d.
square
 

 6. 


The smoothness of a finishing operation depends on the ___ an on the ____
a.
cutting speed; tool sharpness
b.
tool sharpness; fee rate
c.
cutting speed; tool angle
d.
fee rate; tool angle
 

 7. 


To convert a cutting speed in surface feet per minute to inches per minute, you must
a.
divide by 12
b.
multiply by 12
c.
multiply by 3.1416
d.
divide by 3.1416
 

 8. 


What is the suggested speed for cutting mild steel?
a.
150 sfpm
b.
100 sfpm
c.
75 sfpm
d.
125 sfps
 

 9. 


The process of giving a drilled hole a fine finish with a single-point tool is
a.
tapping
b.
reaming
c.
countersinking
d.
boring
 

 10. 


To enlarge a hole to accurately fit an oversize bearing, you should use a
a.
twist drill
b.
core drill
c.
reamer
d.
boring tool
 

 11. 


When you turn a workpiece in a lathe, the carriage must be connected to the
a.
lead screw
b.
feed rod
c.
cross slide
d.
gear box
 

 12. 


This type of chucking reamer is held on an arbor, then mounted in the machine?
a.
Rose
b.
Shell
c.
Expansion
d.
Stub
 

 13. 


A countersink cuts tapered enlargements at hole openings to accommodate
a.
hex head bolts
b.
Hex head cap screws
c.
flat head screws
d.
stove bolts
 

 14. 


The principle parts of a twist drill are the body, shank, and
a.
flutes
b.
point
c.
web
d.
land
 

 15. 


The two dimensions that describe lathe capacity are the center distance an the
a.
gear ratio
b.
bed length
c.
swing
d.
chuck size
 

 16. 


On a vertical lathe or boring machine, the ___ advances the boring tool into the work.
a.
slide
b.
overhead ram
c.
crossrail
d.
arbor
 

 17. 


By what means can you hold a workpiece for turning, facing, drilling, an boring?
a.
Hold it on a mandrel
b.
Hold it in a chuck
c.
Clamp it on a faceplate
d.
Mount it between centers
 

 18. 


Which of the following materials uses the highest drilling speed (in sfpm)?
a.
Stainless steel
b.
Cast iron
c.
Wood
d.
Plastic
 

 19. 


In a dry seal, the tiny tunnel between the pipe an fitting is filled with
a.
trapped air
b.
flattened metal
c.
sealing compound
d.
gasketing material
 

 20. 


The device that moves with a cutting tool to keep a long workpiece straight is the ___ rest.
a.
compound
b.
steady
c.
follower
d.
center
 

 21. 


When you need a very accurate hole, what is best method ?
a.
Hand reaming
b.
Drilling on a drill press
c.
Machine reaming
d.
Drilling on a lathe
 

 22. 


To break a long chip in a tapping operation, you should
a.
reverse the tap half a turn
b.
bend it over a sharp edge
c.
back the tap out of the hole
d.
use a chisel or pliers on it
 

 23. 


The metal between the flutes of a reamer is called the
a.
tang
b.
body
c.
neck
d.
land
 

 24. 


You can mount eccentric or irregularly shaped workpiece in a chuck or
a.
between lathe centers
b.
on a faceplate
c.
in a lathe dog
d.
directly on the spindle
 

 25. 


The inside surface of the ___ chuck is shape to fit the stock it holds.
a.
spindle
b.
universal
c.
collet
d.
independent
 



 
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