CNC exam

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1 point

the last code you type is______

m81

m30

1 point

CNC operators program g&m codes

True

False

1 point

Two types of cnc machines are?

mill and lathe

mill and vertical mill

lathe and cnc

cnc and mill

1 point

g17=

xyz plane

north south plane

xy plane

coordinates

1 point

touching an end mill may cut your fingers

True

False

1 point

g00=

go straght line

slow traverse

rapid traverse

go home

1 point

List the start-up codes

1 point

CNC is programed with____________coordinates.

xyz

g90

g81

1 point

g02=

clockwise

counter clockwise

arc rt

arc lf

10.

1 point

G90=

start anywhere

start from zero

absolute programming

go to home

11.

1 point

cnc tool is called?

end of tool

end mill

drill bit

cutters of steel

12.

1 point

CAM=

computer aided material

computer aided machine

computer aided marketing

computer aided manufacturing

13.

1 point

Name the four cutting operations

face arm elbow drilling

face contour pocket drilling

face contour pocket cam drill

face contact pocket drill

14.

1 point

cnc mill cuts on _______________material

round

octagon

flat

arcs

15.

1 point

z- raises the tool

True

False

16.

1 point

CNC definition.

computer nuclear control

compliance numerical control

computer numerical control

company numer container

17.

1 point

Cnc operators do not wear safety glasses because machines have safety shields.

True

False

18.

1 point

In case of an emergency, hit the blue stop

True

False

19.

1 point

.125 is 1/8 of an inch

True

False

20.

1 point

cnc lathe cuts?

flat material

round material

all material square

only brass

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