Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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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 |
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2.
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Cold-forming
or fluteless taps are use for tapping ___ material. a. | malleable | b. | ductile | c. | hard | d. | brittle |
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3.
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An ideal tap
for most jobs is the ___ tap. a. | fluteless | b. | cold-forming | c. | spiral-fluted | d. | spiral-point or gun |
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4.
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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 |
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5.
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The most
common form of precision threads for moderate power transmission is the ___
thread. a. | buttress | b. | acme | c. | crown | d. | square |
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6.
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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 |
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7.
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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 |
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8.
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What is the
suggested speed for cutting mild steel? a. | 150
sfpm | b. | 100 sfpm | c. | 75 sfpm | d. | 125 sfps |
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9.
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The process
of giving a drilled hole a fine finish with a single-point tool is a. | tapping | b. | reaming | c. | countersinking | d. | boring |
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10.
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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 |
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11.
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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 |
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12.
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This type of
chucking reamer is held on an arbor, then mounted in the machine? a. | Rose | b. | Shell | c. | Expansion | d. | Stub |
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13.
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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 |
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14.
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The principle
parts of a twist drill are the body, shank, and a. | flutes | b. | point | c. | web | d. | land |
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15.
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The two
dimensions that describe lathe capacity are the center distance an the a. | gear
ratio | b. | bed length | c. | swing | d. | chuck size |
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16.
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On a vertical
lathe or boring machine, the ___ advances the boring tool into the work. a. | slide | b. | overhead ram | c. | crossrail | d. | arbor |
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17.
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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 |
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18.
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Which of the
following materials uses the highest drilling speed (in sfpm)? a. | Stainless
steel | b. | Cast iron | c. | Wood | d. | Plastic |
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19.
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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 |
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20.
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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 |
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21.
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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 |
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22.
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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 |
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23.
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The metal
between the flutes of a reamer is called the
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24.
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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 |
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25.
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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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