NIMS Turning I Sample Test Exam UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Using the Machinery's Handbook as a reference, calculate the diameter of a hole for an RC1
clearance fit with a 2.000 inch diameter shaft:
A. 2.0005
B. 1.9997
C. 2.0058
D. 1.9963 - CORRECT ANSWER A. 2.0005
Which of the following shapes cannot be held adequately by a 3-jaw universal chuck:
A. Hexagon
B. Rounds
C. Octagon
D. All of the above
E. Only a and c - CORRECT ANSWER C. Octagon
Which of the following statements best defines cutting speed:
A. Cutting speed is based on RPM and is the amount a times a tool revolves in 1 second
B. Cutting speed is based on the diameter of the tool and is given in surface revolutions per
minute
C. Cutting speed is based on the distance the work moves past the tool based on the number
of feet that passes the tool in one minute and is given in surface feet per minute
D. Cutting speed is based on revolutions per diameter of the tool and is given in feet per inch
- CORRECT ANSWER C. Cutting speed is based on the distance the work moves past
the tool based on the number of feet that passes the tool in one minute and is given in surface
feet per minute
Which of the following statements best defines feed?
A. The machine movement that causes a tool to cut into or along the surface of a work piece
, B. The distance the work piece moves past the tool in one minute
C. The revolution of the tool per minute
D. The diameter of the tool correlated to the distance the tool moves in one second -
CORRECT ANSWER A. The machine movement that causes a tool to cut into or along
the surface of a work piece
When calculating the RPM for a turning operation, the machinist uses _________ instead of
the diameter of the tool.
A. Tool nose radius
B. The diameter of the work piece
C. Cutter speed compensation
D. Surface feet per minute - CORRECT ANSWER B. The diameter of the work piece
The included angle of a lathe center measures:
A. 30°
B. 45°
C. 60°
D. 75° - CORRECT ANSWER C. 60°
The primary advantage of turning between centers is that:
A. The work piece can be turned end for end without losing concentricity
B. Each end can be total faced off in one setup
C. The part is totally clamped (360° of contact)
D. Chatter is reduced on long work pieces - CORRECT ANSWER A. The work piece
can be turned end for end without losing concentricity
Carriage
1H
Tailstock
2M
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Using the Machinery's Handbook as a reference, calculate the diameter of a hole for an RC1
clearance fit with a 2.000 inch diameter shaft:
A. 2.0005
B. 1.9997
C. 2.0058
D. 1.9963 - CORRECT ANSWER A. 2.0005
Which of the following shapes cannot be held adequately by a 3-jaw universal chuck:
A. Hexagon
B. Rounds
C. Octagon
D. All of the above
E. Only a and c - CORRECT ANSWER C. Octagon
Which of the following statements best defines cutting speed:
A. Cutting speed is based on RPM and is the amount a times a tool revolves in 1 second
B. Cutting speed is based on the diameter of the tool and is given in surface revolutions per
minute
C. Cutting speed is based on the distance the work moves past the tool based on the number
of feet that passes the tool in one minute and is given in surface feet per minute
D. Cutting speed is based on revolutions per diameter of the tool and is given in feet per inch
- CORRECT ANSWER C. Cutting speed is based on the distance the work moves past
the tool based on the number of feet that passes the tool in one minute and is given in surface
feet per minute
Which of the following statements best defines feed?
A. The machine movement that causes a tool to cut into or along the surface of a work piece
, B. The distance the work piece moves past the tool in one minute
C. The revolution of the tool per minute
D. The diameter of the tool correlated to the distance the tool moves in one second -
CORRECT ANSWER A. The machine movement that causes a tool to cut into or along
the surface of a work piece
When calculating the RPM for a turning operation, the machinist uses _________ instead of
the diameter of the tool.
A. Tool nose radius
B. The diameter of the work piece
C. Cutter speed compensation
D. Surface feet per minute - CORRECT ANSWER B. The diameter of the work piece
The included angle of a lathe center measures:
A. 30°
B. 45°
C. 60°
D. 75° - CORRECT ANSWER C. 60°
The primary advantage of turning between centers is that:
A. The work piece can be turned end for end without losing concentricity
B. Each end can be total faced off in one setup
C. The part is totally clamped (360° of contact)
D. Chatter is reduced on long work pieces - CORRECT ANSWER A. The work piece
can be turned end for end without losing concentricity
Carriage
1H
Tailstock
2M
