NIMS Practice Test
Study online at https://quizlet.com/_g42wzg
1. When a CNC lathe is equipped with an automatic tool changer it is called a
______.: turning center
2. CNC mills with an ATC are called _____.: Machining Centers
3. The CNC program is created and stored in the _____.: Machine control unit
4. A(n) _____ assembly device consists of a screw and nut assembly with steel
balls in place of threads.: Ball screw
5. Most modern CNC machines employ a high-tech modernized version of ways
called _____.: Linear guides
6. A(n) _____ motor is a hybrid electric motor with half motor / half position
sensor.: Servo
7. A(n) _____ works by recording the amount of rotation a motor makes (in
degrees).: Encoder
8. CNC programming does not use north, south, east, or west to identify dis-
tance and direction, but instead a similar system called the _____ system.: Cartesian
coordinate
9. The place a traveler begins from is called the point of _____.: Origin
10. The X- and Y- axes of the Cartesian coordinate system divides the system into
four separate regions called _____.: Quadrants
11. _____ coordinates require that positions be identi�ed by de�ning both an
angle and a distance (like a vector in mathematics).: Polar
12. When using _____ positioning, the coordinates of all positions will be refer-
enced from the beginning.: Absolute
13. The _____ positioning system speci�es a distance from the current position
to the next position instead of a location related to the origin.: Incremental
14. Programming code that the machine can understand is called _____ address.-
: Word
15. _____ - codes prepare a machine to engage in a particular mode for machin-
ing.: G
16. _____ traverse is designated by the code G0.: Rapid
17. Linear interpolation produces a(n) _____ line between two points.: Straight
18. _____ interpolation motion causes the cutter's path to travel in an arc.: Circular
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Study online at https://quizlet.com/_g42wzg
1. When a CNC lathe is equipped with an automatic tool changer it is called a
______.: turning center
2. CNC mills with an ATC are called _____.: Machining Centers
3. The CNC program is created and stored in the _____.: Machine control unit
4. A(n) _____ assembly device consists of a screw and nut assembly with steel
balls in place of threads.: Ball screw
5. Most modern CNC machines employ a high-tech modernized version of ways
called _____.: Linear guides
6. A(n) _____ motor is a hybrid electric motor with half motor / half position
sensor.: Servo
7. A(n) _____ works by recording the amount of rotation a motor makes (in
degrees).: Encoder
8. CNC programming does not use north, south, east, or west to identify dis-
tance and direction, but instead a similar system called the _____ system.: Cartesian
coordinate
9. The place a traveler begins from is called the point of _____.: Origin
10. The X- and Y- axes of the Cartesian coordinate system divides the system into
four separate regions called _____.: Quadrants
11. _____ coordinates require that positions be identi�ed by de�ning both an
angle and a distance (like a vector in mathematics).: Polar
12. When using _____ positioning, the coordinates of all positions will be refer-
enced from the beginning.: Absolute
13. The _____ positioning system speci�es a distance from the current position
to the next position instead of a location related to the origin.: Incremental
14. Programming code that the machine can understand is called _____ address.-
: Word
15. _____ - codes prepare a machine to engage in a particular mode for machin-
ing.: G
16. _____ traverse is designated by the code G0.: Rapid
17. Linear interpolation produces a(n) _____ line between two points.: Straight
18. _____ interpolation motion causes the cutter's path to travel in an arc.: Circular
1/4
