316

Question 1

when you turn a workpiece in a lathe the carriage must be connected to the

Answer 1

feed rod

Question 2

the two dimensions that describe lathe capacity are the center distance and the

Answer 2

swing

Question 3

by what means can you hold a workpiece for turning facing drilling and boring

Answer 3

mount it between centers

Question 4

the inside surface of what type of chuck is designed to fit the stock it holds

Answer 4

collet

Question 5

the purpose of a steady rest or center rest is to support the

Answer 5

end of a long workpiece

Question 6

you can mount eccentric or irregularly shaped workpieces in a chuck or

Answer 6

on a faceplate

Question 7

the device that moves with a cutting tool to keep workpieces straight is the ___

Answer 7

follower

Question 8

what is the suggested speed for finish cutting mild steel

Answer 8

125 sfpm

Question 9

the smoothness of a finishing operation depends on the __ and on the ___

Answer 9

tool sharpness, Feed rate

Question 10

the process of giving a drilled hole in a fine finish with a single point tools is

Answer 10

boring

Question 11

the principle parts of a twist drill are the body shank and

Answer 11

point

Question 12

which of the following materials requires the highest drilling speed in sfpm

Answer 12

wood

Question 13

to change the speed in surface feet per minute to inches per minute you must

Answer 13

multiply by 12

Question 14

to enlarge a hole to fit an oversize bearing you should use a

Answer 14

boring tool

Question 15

on a vertial lathe or boring machine the ___ advances the boring tool into the work

Answer 15

overhead ram

Question 16

the metal between flutes of a reamer is called the

Answer 16

land

Question 17

when you need a very accurate hole what is the best method to use

Answer 17

hand reaming

Question 18

what type of reamer is held on an arbor in a machine

Answer 18

shell

Question 19

you can remove burrs on the cutting edges or teeth of reamers with an

Answer 19

oilstone

Question 20

a countersink cuts tapered enlargements at hole openings to accommodate

Answer 20

screw heads

Question 21

the most common form of precision threads for moderate power transmission needs is the ___ thread

Answer 21

acme

Question 22

cold forming or fluteless taps are used to tap what kind of material

Answer 22

ductile

Question 23

in a dry seal the tiny tunnel between the pipe and fitting is filled with

Answer 23

flattened metal

Question 24

a ideal tap for most tapping operations is the ___ tap

Answer 24

spiral point or gun

Question 25

to break a long chip in a tapping operation you should

Answer 25

reverse the tap half a turn